{"title":"Protection Boards \u0026 BMS","description":"\u003ch2\u003eProtection Boards \u0026amp; Battery Management Systems (BMS)\u003c\/h2\u003e\n\n\u003cp\u003eKeep your battery packs safe, efficient, and long-lasting with our comprehensive range of \u003cstrong\u003eProtection Boards and Battery Management Systems (BMS)\u003c\/strong\u003e. Whether you're building a DIY power tool battery, assembling an e-bike pack, designing a solar energy storage system, or engineering a custom UPS, our BMS boards deliver critical safeguards against overcharging, over-discharging, overcurrent, and short circuits. Engineered for 18650 lithium cells and multi-cell Li-Ion configurations, these boards are the backbone of any reliable battery project — from hobbyist builds to professional power tool repairs.\u003c\/p\u003e\n\n\u003ch3\u003eWhy You Need a Quality BMS\u003c\/h3\u003e\n\u003cp\u003eA Battery Management System isn't just a nice-to-have — it's essential for protecting your investment and ensuring user safety. A good BMS monitors cell voltages, balances charge across cells, regulates temperature thresholds, and disconnects the load or charger in fault conditions. Our selection covers a wide range of voltages and current ratings, so you'll always find the right fit for your application.\u003c\/p\u003e\n\n\u003ch3\u003eFeatured Products\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/100a-bms-battery-management-board-pcb-charging-protection\"\u003e100A BMS Battery Management Board – PCB Charging Protection\u003c\/a\u003e — High-current BMS ideal for heavy-duty power tool and EV battery packs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/10s-36v-13s-48v-li-ion-bms-battery-protection-board\"\u003e10S 36V \/ 13S 48V Li-Ion BMS Battery Protection Board\u003c\/a\u003e — Versatile dual-configuration board for e-bikes, scooters, and large Li-Ion packs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/13s-6p-48v-30a-lithium-battery-pcb-protection-board-e-bike\"\u003e13S 6P 48V 30A Lithium Battery PCB Protection Board – E-Bike\u003c\/a\u003e — Purpose-built for e-bike applications with robust 30A continuous discharge handling.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/12v-20a-18650-lithium-battery-type-c-charging-for-power-tools\"\u003e12V 20A 18650 Lithium Battery Type-C Charging for Power Tools\u003c\/a\u003e — Modern Type-C charging integration for 12V power tool battery rebuilds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/18-21v-5s-li-ion-battery-protection-board-20a-module\"\u003e18\/21V 5S Li-Ion Battery Protection Board 20A Module\u003c\/a\u003e — Compact 5S protection module perfectly sized for cordless drill and driver packs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in Our Collection?\u003c\/h3\u003e\n\u003cp\u003eOur Protection Boards \u0026amp; BMS category covers everything you need for a complete, safe battery build:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-cell BMS boards\u003c\/strong\u003e (10S, 13S, 5S) for a range of voltages from 12V to 48V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-current PCB protection boards\u003c\/strong\u003e up to 100A for demanding applications\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSolar charge controllers\u003c\/strong\u003e for renewable energy and off-grid storage\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery spring contacts and leaf springs\u003c\/strong\u003e for secure cell connections in custom packs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e18650 battery cases and enclosures\u003c\/strong\u003e for safe pack assembly and storage\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPS power supply kits\u003c\/strong\u003e with adjustable output voltage\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho Is This Collection For?\u003c\/h3\u003e\n\u003cp\u003eOur BMS and protection boards are trusted by \u003cstrong\u003eDIY electronics enthusiasts\u003c\/strong\u003e, \u003cstrong\u003epower tool repair technicians\u003c\/strong\u003e, \u003cstrong\u003ee-bike builders\u003c\/strong\u003e, \u003cstrong\u003esolar energy hobbyists\u003c\/strong\u003e, and \u003cstrong\u003eRC\/robotics engineers\u003c\/strong\u003e. If you work with lithium-ion cells in any capacity, our boards provide the cell balancing and fault protection your project demands.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.epa.gov\/recycle\/used-lithium-ion-batteries\" target=\"_blank\" rel=\"noopener\"\u003eEPA guidance on lithium-ion battery handling\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003ch4\u003eQ: What does a BMS protection board do for a lithium battery pack?\u003c\/h4\u003e\n\u003cp\u003eA: A Battery Management System (BMS) protection board monitors and controls the charging and discharging of lithium-ion or LiPo cell packs. It actively prevents overcharging (which can cause thermal runaway), over-discharging (which permanently damages cells), overcurrent events, and short circuits — extending battery life and keeping users safe.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I choose the right BMS for my power tool or e-bike battery?\u003c\/h4\u003e\n\u003cp\u003eA: Match the BMS to your battery pack's series cell count (e.g., 10S for 36V, 13S for 48V), the nominal voltage, and the maximum continuous discharge current your application requires. For example, a high-draw power tool may need a 20A–100A rated BMS board, while a smaller DIY pack may work fine with a 15A module. Check our product descriptions for full specifications.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I use these BMS boards for solar battery storage systems?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! Several boards in this collection, including our \u003ca href=\"\/products\/12v-12a-solar-charge-controller-lithium-battery-charging-board\"\u003e12V 12A Solar Charge Controller – Lithium Battery Charging Board\u003c\/a\u003e, are specifically designed for solar and off-grid lithium battery storage systems. They regulate incoming charge from solar panels and protect your battery bank from overvoltage or reverse polarity.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Do these protection boards support cell balancing?\u003c\/h4\u003e\n\u003cp\u003eA: Many of our BMS boards include passive or active cell balancing features, which equalize the charge across individual cells in a series pack. This is especially important for multi-cell configurations (e.g., 10S or 13S packs) to ensure uniform cell health and maximize the usable capacity of your battery over time.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Are these BMS boards compatible with 18650 lithium cells?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. All BMS and protection boards in this collection are fully compatible with standard 18650 lithium-ion cells and are designed with 18650-based pack assembly in mind. Pair them with our \u003ca href=\"\/products\/18650-lithium-battery-spot-welding-fixture-assembly-bracket\"\u003e18650 Lithium Battery Spot Welding Fixture Assembly Bracket\u003c\/a\u003e and battery cases for a complete pack-building solution.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What does a BMS protection board do for a lithium battery pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A Battery Management System (BMS) protection board monitors and controls the charging and discharging of lithium-ion or LiPo cell packs. It actively prevents overcharging (which can cause thermal runaway), over-discharging (which permanently damages cells), overcurrent events, and short circuits — extending battery life and keeping users safe.\"}}, {\"@type\": \"Question\", \"name\": \"How do I choose the right BMS for my power tool or e-bike battery?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Match the BMS to your battery pack's series cell count (e.g., 10S for 36V, 13S for 48V), the nominal voltage, and the maximum continuous discharge current your application requires. For example, a high-draw power tool may need a 20A–100A rated BMS board, while a smaller DIY pack may work fine with a 15A module. Check our product descriptions for full specifications.\"}}, {\"@type\": \"Question\", \"name\": \"Can I use these BMS boards for solar battery storage systems?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! Several boards in this collection, including our 12V 12A Solar Charge Controller – Lithium Battery Charging Board, are specifically designed for solar and off-grid lithium battery storage systems. They regulate incoming charge from solar panels and protect your battery bank from overvoltage or reverse polarity.\"}}, {\"@type\": \"Question\", \"name\": \"Do these protection boards support cell balancing?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Many of our BMS boards include passive or active cell balancing features, which equalize the charge across individual cells in a series pack. This is especially important for multi-cell configurations (e.g., 10S or 13S packs) to ensure uniform cell health and maximize the usable capacity of your battery over time.\"}}, {\"@type\": \"Question\", \"name\": \"Are these BMS boards compatible with 18650 lithium cells?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. All BMS and protection boards in this collection are fully compatible with standard 18650 lithium-ion cells and are designed with 18650-based pack assembly in mind. Pair them with our 18650 Lithium Battery Spot Welding Fixture Assembly Bracket and battery cases for a complete pack-building solution.\"}}]}\u003c\/script\u003e","products":[{"product_id":"5s-21v-li-ion-bms-protection-circuit-board-for-power-tools","title":"5S 21V Li-Ion BMS Protection Circuit Board for Power Tools","description":"\n\u003ch2\u003e5S 21V Lithium Battery BMS Protection Circuit Board\u003c\/h2\u003e\n\u003cp\u003eKeep your lithium battery packs running safely and efficiently with this \u003cstrong\u003e5S 21V Battery Management System (BMS) Protection Circuit Board\u003c\/strong\u003e. Designed for power tools and electric vehicles, this compact PCB module provides multi-layer protection to extend battery life and maintain stable performance across demanding applications.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComprehensive Protection:\u003c\/strong\u003e Overvoltage, undervoltage, overcurrent, overcharge, and overheat protection for each individual cell in the pack.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3 MOS Design:\u003c\/strong\u003e High-quality MOSFET configuration for reliable switching and stable current management in power tool applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Suitable for most electric power tools, electric scooters, electric bicycles, electric motorcycles, electric tricycles, electric vehicles, and various electric appliances.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnti-Vibration Stability:\u003c\/strong\u003e Engineered for rugged environments — an ideal match for 21V torque wrenches, impact drills, and angle grinders.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReusable \u0026amp; Durable:\u003c\/strong\u003e Constructed from plastic and metal components for long-lasting, reusable service.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePer-Cell Monitoring:\u003c\/strong\u003e Independently monitors and protects each cell in the battery pack for balanced performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConfiguration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5S (5 cells in series)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e21V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlastic + Metal\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLi-Ion \/ Lithium\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReusability\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eReusable\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCharger Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 5S 21V BMS Protection Circuit Board (PCB)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eProduct color may vary slightly from images due to monitor brightness and lighting conditions. Please refer to the actual product received.\u003c\/li\u003e\n  \u003cli\u003ePlease allow slight measurement deviation for listed dimensions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-10g-high-grade-silicon-grease-lubricant-o-lubrication-good-odorless-smoothness-for-o-rings-tube-silicone-grease-lubricant\"\u003e1PC 10g High Grade Silicone Grease Lubricant for O-Rings\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-large-capacity-battery-storage-organizer-box-batteries-not-included-vintage-beer-crate-appearance-holds-30-aaa-batteries\"\u003e1PC Large Capacity Battery Storage Organizer Box\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/3pcs-silicone-sealant-scraper-set-multi-functional-caulking-nozzle-tools-for-tile-floor-joints-grout-finishing-and-renovation\"\u003e3PCS Silicone Sealant Scraper Set – Multi-Functional Tools\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What does a 5S 21V BMS protection circuit board do?\u003c\/h4\u003e\n\u003cp\u003eA: A 5S 21V BMS (Battery Management System) protection circuit board monitors and protects a lithium battery pack made up of 5 cells in series. It safeguards the pack against overvoltage, undervoltage, overcurrent, overcharge, and overheating — helping maintain safe operation and prolong battery life for power tools and electric vehicles.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this BMS board compatible with my power tools?\u003c\/h4\u003e\n\u003cp\u003eA: Yes — this 5S 21V BMS module is designed to be compatible with most 21V lithium-powered electric tools, including torque wrenches, impact drills, and angle grinders, as well as electric scooters, bicycles, motorcycles, tricycles, and other electric appliances.\u003c\/p\u003e\n\u003ch4\u003eQ: Does this board come with a battery or charger?\u003c\/h4\u003e\n\u003cp\u003eA: No. The package includes only the BMS protection circuit board (PCB). Batteries and chargers are not included and must be sourced separately.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I reuse this BMS board if I rebuild my battery pack?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. This BMS protection circuit board is designed to be reusable, making it a cost-effective choice for battery pack rebuilds and replacements.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What does a 5S 21V BMS protection circuit board do?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A 5S 21V BMS (Battery Management System) protection circuit board monitors and protects a lithium battery pack made up of 5 cells in series. It safeguards the pack against overvoltage, undervoltage, overcurrent, overcharge, and overheating — helping maintain safe operation and prolong battery life for power tools and electric vehicles.\"}}, {\"@type\": \"Question\", \"name\": \"Is this BMS board compatible with my power tools?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes — this 5S 21V BMS module is designed to be compatible with most 21V lithium-powered electric tools, including torque wrenches, impact drills, and angle grinders, as well as electric scooters, bicycles, motorcycles, tricycles, and other electric appliances.\"}}, {\"@type\": \"Question\", \"name\": \"Does this board come with a battery or charger?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. The package includes only the BMS protection circuit board (PCB). Batteries and chargers are not included and must be sourced separately.\"}}, {\"@type\": \"Question\", \"name\": \"Can I reuse this BMS board if I rebuild my battery pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. This BMS protection circuit board is designed to be reusable, making it a cost-effective choice for battery pack rebuilds and replacements.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"5S 21V Li-Ion BMS Protection Circuit Board for Power Tools\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/products\/5s-21v-li-ion-bms-protection-circuit-board-power-tools\"}]}\u003c\/script\u003e","brand":"Nixie","offers":[{"title":"Charging 2A","offer_id":67914012786969,"sku":"14:771#Charging 2A","price":12.57,"currency_code":"USD","in_stock":true},{"title":"Charging 1A","offer_id":67914012819737,"sku":"14:193#Charging 1A","price":12.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/S48df7eece1964a94a2c7411c6e7a3084y.webp?v=1792876979"},{"product_id":"5s-20a-bms-18650-li-ion-battery-protection-board-pcm-balancer","title":"5S 20A BMS 18650 Li-ion Battery Protection Board PCM Balancer","description":"\n\u003ch2\u003e5S 20A BMS 18650 Li-ion Battery Protection Board with Cell Balancer\u003c\/h2\u003e\n\u003cp\u003eKeep your lithium battery packs running safely and efficiently with this \u003cstrong\u003e5S 20A Battery Management System (BMS) Protection Board\u003c\/strong\u003e. Designed for 18650 Li-ion and lithium battery packs, this compact PCM (Protection Circuit Module) features built-in cell balancing, automatic charge regulation, and multi-layer safety protection — all in a small, easy-to-install form factor. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Layer Safety Protection:\u003c\/strong\u003e Guards against overcharge, over-discharge, short circuit, and overheating to keep your battery pack and connected devices secure at all times.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExtended Battery Life:\u003c\/strong\u003e Intelligent charge\/discharge control prevents harmful voltage extremes, helping your 18650 cells last significantly longer over repeated cycles.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Static Current Consumption:\u003c\/strong\u003e Energy-efficient design minimises idle power drain, making this board an eco-friendly choice for power bank and DIY battery projects.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomatic Cell Balancing:\u003c\/strong\u003e The integrated balancer automatically identifies each cell's charge state and adjusts current and voltage accordingly — no manual tuning required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSimple Installation:\u003c\/strong\u003e Connect the positive and negative terminals of your battery cells to the corresponding board pads and you're ready to go. The compact, lightweight PCB fits easily into most enclosures and DIY builds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e 5S (5-cell series)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eContinuous Discharge Current:\u003c\/strong\u003e 20A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Battery Type:\u003c\/strong\u003e 18650 Li-ion \/ Lithium\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e PCB with plastic components\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Includes:\u003c\/strong\u003e 1 × BMS Protection Board\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDIY power bank builds and portable battery packs\u003c\/li\u003e\n  \u003cli\u003eElectric bike (e-bike) and scooter battery modules\u003c\/li\u003e\n  \u003cli\u003eRC vehicle and robotics battery systems\u003c\/li\u003e\n  \u003cli\u003eSolar energy storage and off-grid projects\u003c\/li\u003e\n  \u003cli\u003eCustom 18650 battery pack assemblies\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Actual colour may vary slightly from images due to monitor brightness and lighting conditions. Please allow for minor measurement tolerances.\u003c\/p\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-large-capacity-battery-storage-organizer-box-batteries-not-included-vintage-beer-crate-appearance-holds-30-aaa-batteries\"\u003e1PC Large Capacity Battery Storage Organizer Box – Holds 30 AAA Batteries\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-10g-high-grade-silicon-grease-lubricant-o-lubrication-good-odorless-smoothness-for-o-rings-tube-silicone-grease-lubricant\"\u003e1PC High Grade Silicone Grease Lubricant for O-Rings\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What does a 5S BMS protection board do for my lithium battery pack?\u003c\/h4\u003e\n\u003cp\u003eA: A 5S BMS (Battery Management System) monitors and manages a series string of 5 lithium cells. It provides overcharge protection, over-discharge protection, short circuit protection, and cell balancing — ensuring each cell stays within safe voltage limits for maximum safety and longevity.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this BMS board compatible with all 18650 lithium cells?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, this 5S 20A BMS protection board is designed to work with standard 18650 Li-ion lithium cells wired in a 5-cell series configuration. It is widely used in DIY power banks, e-bike battery packs, and other custom lithium battery projects.\u003c\/p\u003e\n\u003ch4\u003eQ: How do I install the BMS protection board?\u003c\/h4\u003e\n\u003cp\u003eA: Installation is straightforward — connect the positive and negative terminals of each battery cell group to the corresponding B+ and B- pads on the board, then connect your load and charger to the P+ and P- ports. No special tools or technical expertise are required for basic assembly.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What does a 5S BMS protection board do for my lithium battery pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A 5S BMS (Battery Management System) monitors and manages a series string of 5 lithium cells. It provides overcharge protection, over-discharge protection, short circuit protection, and cell balancing — ensuring each cell stays within safe voltage limits for maximum safety and longevity.\"}}, {\"@type\": \"Question\", \"name\": \"Is this BMS board compatible with all 18650 lithium cells?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes, this 5S 20A BMS protection board is designed to work with standard 18650 Li-ion lithium cells wired in a 5-cell series configuration. It is widely used in DIY power banks, e-bike battery packs, and other custom lithium battery projects.\"}}, {\"@type\": \"Question\", \"name\": \"How do I install the BMS protection board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Installation is straightforward — connect the positive and negative terminals of each battery cell group to the corresponding B+ and B- pads on the board, then connect your load and charger to the P+ and P- ports. No special tools or technical expertise are required for basic assembly.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"5S 20A BMS 18650 Li-ion Battery Protection Board PCM Balancer\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/products\/5s-20a-bms-18650-li-ion-battery-protection-board-pcm-balancer-module\"}]}\u003c\/script\u003e","brand":"Nixie","offers":[{"title":"One Size","offer_id":67914014327065,"sku":"14:10#One Size","price":11.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/S52951b4f09b448ec975fc81a2d3d7f3eo.webp?v=1792876982"},{"product_id":"a8188-5v-2a-digital-display-power-bank-circuit-module-type-c-usb","title":"A8188 5V 2A Digital Display Power Bank Circuit Module Type-C USB","description":"\n\u003ch2\u003eA8188 Digital Display Power Bank Circuit Board Module\u003c\/h2\u003e\n\u003cp\u003eUpgrade your DIY power bank project with the \u003cstrong\u003eA8188 5V 2A Digital Display Power Bank Circuit Board Module\u003c\/strong\u003e. Featuring a \u003cstrong\u003eType-C input, Micro USB input, and standard USB-A output\u003c\/strong\u003e, this compact and efficient motherboard strip is the perfect foundation for building your own portable charging solution.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Efficiency Circuit Design:\u003c\/strong\u003e The A8188 PCB uses an optimized circuit layout that minimizes current loss, ensuring stable and consistent 5V 2A power output for connected devices.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReal-Time Digital Display:\u003c\/strong\u003e Unlike basic power modules, this board includes a built-in digital display screen that shows remaining battery capacity in real time — so you always know exactly how much charge is left.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Port Compatibility:\u003c\/strong\u003e Supports both \u003cstrong\u003eType-C\u003c\/strong\u003e and \u003cstrong\u003eMicro USB\u003c\/strong\u003e input charging, as well as a standard USB-A output port for versatile device charging.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStable Power Output:\u003c\/strong\u003e Designed for long-term, continuous power delivery, making it ideal for custom power bank builds, electronics projects, and DIY charging systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePCB Included:\u003c\/strong\u003e The circuit board (PCB) is included in the package. Batteries and charger are NOT included.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eA8188\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V 2A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Ports\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eType-C, Micro USB\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Port\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSB-A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDigital Battery Level Display\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePCB Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCharger Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 x Power Bank Circuit Module\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × A8188 Power Bank Circuit Board Module\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-large-capacity-battery-storage-organizer-box-batteries-not-included-vintage-beer-crate-appearance-holds-30-aaa-batteries\"\u003e1PC Large Capacity Battery Storage Organizer Box – Holds 30 AAA Batteries\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-mobile-data-cable-storage-box-portable-winding-earphone-charger-storage-box-with-lid-drawer-organizer-box\"\u003e1PC Mobile Data Cable Storage Box – Portable Charger \u0026amp; Earphone Organizer\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Please allow 0.1–0.3 cm differences due to manual measurement. Colors may appear slightly different due to lighting conditions and monitor settings.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Does the A8188 power bank circuit module come with a battery?\u003c\/h4\u003e\n\u003cp\u003eA: No, the A8188 digital display power bank circuit module does not include a battery. You will need to source and connect a compatible lithium battery cell separately to build a fully functional power bank.\u003c\/p\u003e\n\u003ch4\u003eQ: What input ports does this power bank PCB support?\u003c\/h4\u003e\n\u003cp\u003eA: The A8188 power bank motherboard supports both \u003cstrong\u003eType-C\u003c\/strong\u003e and \u003cstrong\u003eMicro USB\u003c\/strong\u003e input ports for charging the battery, plus a standard USB-A output port for charging your devices.\u003c\/p\u003e\n\u003ch4\u003eQ: What does the digital display show on this circuit module?\u003c\/h4\u003e\n\u003cp\u003eA: The built-in digital display screen shows real-time battery capacity\/charge level, allowing you to monitor exactly how much power remains in your DIY power bank at any time.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this module suitable for DIY electronics projects?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The A8188 circuit strip module is ideal for electronics hobbyists and makers looking to build custom portable power banks, DIY charging projects, or battery-powered electronics enclosures.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Does the A8188 power bank circuit module come with a battery?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No, the A8188 digital display power bank circuit module does not include a battery. You will need to source and connect a compatible lithium battery cell separately to build a fully functional power bank.\"}}, {\"@type\": \"Question\", \"name\": \"What input ports does this power bank PCB support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The A8188 power bank motherboard supports both Type-C and Micro USB input ports for charging the battery, plus a standard USB-A output port for charging your devices.\"}}, {\"@type\": \"Question\", \"name\": \"What does the digital display show on this circuit module?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The built-in digital display screen shows real-time battery capacity\/charge level, allowing you to monitor exactly how much power remains in your DIY power bank at any time.\"}}, {\"@type\": \"Question\", \"name\": \"Is this module suitable for DIY electronics projects?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! The A8188 circuit strip module is ideal for electronics hobbyists and makers looking to build custom portable power banks, DIY charging projects, or battery-powered electronics enclosures.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"A8188 5V 2A Digital Display Power Bank Circuit Module Type-C USB\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/products\/a8188-5v-2a-digital-display-power-bank-circuit-module-type-c-micro-usb\"}]}\u003c\/script\u003e","brand":"Nixie","offers":[{"title":"1pc","offer_id":67914038378777,"sku":"14:771#1pc","price":17.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/Sb462522835c24fbf940c8ca93e979869w.webp?v=1792877044"},{"product_id":"40135-lithium-battery-cell-holder-bracket-with-splice-buckle","title":"40135 Lithium Battery Cell Holder Bracket with Splice Buckle","description":"\n\u003ch2\u003e40135 Lithium Battery Cell Positioning Bracket with Splice Buckle\u003c\/h2\u003e\n\u003cp\u003eKeep your 40135 lithium battery cells securely organized and neatly positioned with this durable plastic battery holder. Designed for home DIY battery pack projects, these modular brackets clip together using integrated card slots and splice buckles, letting you freely configure the layout to match your exact needs. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePremium ABS + PC Construction:\u003c\/strong\u003e Made from high-quality ABS and PC plastic — lightweight, flame-retardant, and structurally stable for long-term use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModular Splice Design:\u003c\/strong\u003e Each bracket features edge card slots that interlock with other holders, so you can expand and reconfigure your battery pack arrangement with ease.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSuperior Ventilation:\u003c\/strong\u003e Open-frame design leaves sufficient space between rack layers to promote airflow and effective heat dissipation around your cells.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFixed Lock Security:\u003c\/strong\u003e Integrated splice buckle locks pieces together firmly, preventing unwanted movement or disconnection during assembly or use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible with 40135 Batteries:\u003c\/strong\u003e Purpose-built to fit 40135-size lithium cells precisely — no rattling, no slipping.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBlack Color, Clean Finish:\u003c\/strong\u003e Neat black plastic finish suitable for visible battery pack builds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eABS + PC Plastic\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Cell Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e40135\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2P (2-position)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUse\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHome DIY, Battery Pack Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2 or 5 Pcs × 40135 Lithium Battery Cell Positioning Bracket (as selected)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Installation requires both a top and bottom piece to function correctly. Please ensure you order the correct quantity for your project.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-large-capacity-battery-storage-organizer-box-batteries-not-included-vintage-beer-crate-appearance-holds-30-aaa-batteries\"\u003e1PC Large Capacity Battery Storage Organizer Box – Holds 30 AAA Batteries\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-mobile-data-cable-storage-box-portable-winding-earphone-charger-storage-box-with-lid-drawer-organizer-box\"\u003e1PC Mobile Data Cable Storage Box – Portable Charger \u0026amp; Earphone Organizer\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/2pcs-jewelry-organizer-velvet-jewelry-storage-tray-ring-showcase-drawer-organizer-trays-earring-storage-box-small-drawer-lining\"\u003e2PCS Jewelry Organizer Velvet Storage Tray – Drawer Organizer\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What size lithium battery cells fit this 40135 battery cell positioning bracket?\u003c\/h4\u003e\n\u003cp\u003eA: This battery holder is specifically designed for 40135-size lithium battery cells. The snug-fit design keeps each cell securely in place without rattling, making it ideal for custom DIY battery pack builds.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I connect multiple 40135 battery holders together to make a larger pack?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! Each bracket features edge card slots and splice buckle connections that allow you to freely combine multiple holders side by side, giving you the flexibility to build packs of virtually any configuration.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Do I need both a top and bottom piece for installation?\u003c\/h4\u003e\n\u003cp\u003eA: Yes — the bracket system requires both a top and a bottom piece to fully secure the cells in position. Please make sure you have both components before assembling your battery holder.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this lithium battery holder safe for DIY home projects?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The bracket is made from flame-retardant ABS + PC plastic and features an open-frame ventilation design that promotes airflow and heat dissipation around your cells, making it a safe and reliable choice for home DIY battery pack projects.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What size lithium battery cells fit this 40135 battery cell positioning bracket?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This battery holder is specifically designed for 40135-size lithium battery cells. The snug-fit design keeps each cell securely in place without rattling, making it ideal for custom DIY battery pack builds.\"}}, {\"@type\": \"Question\", \"name\": \"Can I connect multiple 40135 battery holders together to make a larger pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! Each bracket features edge card slots and splice buckle connections that allow you to freely combine multiple holders side by side, giving you the flexibility to build packs of virtually any configuration.\"}}, {\"@type\": \"Question\", \"name\": \"Do I need both a top and bottom piece for installation?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes — the bracket system requires both a top and a bottom piece to fully secure the cells in position. Please make sure you have both components before assembling your battery holder.\"}}, {\"@type\": \"Question\", \"name\": \"Is this lithium battery holder safe for DIY home projects?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. The bracket is made from flame-retardant ABS + PC plastic and features an open-frame ventilation design that promotes airflow and heat dissipation around your cells, making it a safe and reliable choice for home DIY battery pack projects.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"40135 Lithium Battery Cell Holder Bracket with Splice Buckle\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/products\/40135-lithium-battery-cell-holder-positioning-bracket-splice-buckle\"}]}\u003c\/script\u003e","brand":"Nixie","offers":[{"title":"2pcs","offer_id":67915569922329,"sku":"1005010355692659-2pcs","price":3.51,"currency_code":"USD","in_stock":true},{"title":"5pcs","offer_id":67915569955097,"sku":"1005010355692659-5pcs","price":4.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/S6be240c697ff4eb99fe5931d4cd07b81u.webp?v=1792885834"},{"product_id":"plastic-battery-case-4-18a-3-21a-flashlight-flat-to-pointed","title":"Plastic Battery Case 4×18A 3×21A Flashlight Flat to Pointed","description":"\u003ch2\u003eCompact Plastic Battery Case for 4×18A \u0026amp; 3×21A Flashlight Batteries\u003c\/h2\u003e\n\u003cp\u003eKeep your flashlight batteries organized and ready to use with this compact black plastic battery casing. Designed specifically for \u003cstrong\u003e4×18A\u003c\/strong\u003e and \u003cstrong\u003e3×21A\u003c\/strong\u003e configurations, it features a handy \u003cstrong\u003eflat-to-pointed terminal conversion\u003c\/strong\u003e, making it easy to use standard batteries in flashlights that require a pointed-tip contact. A practical, no-fuss solution for flashlight enthusiasts and everyday users alike.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Configurations:\u003c\/strong\u003e Fits 4×18A and 3×21A battery arrangements\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlat-to-Pointed Conversion:\u003c\/strong\u003e Converts flat-top batteries for use in pointed-contact flashlights\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Plastic Construction:\u003c\/strong\u003e Lightweight yet sturdy black plastic shell\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Design:\u003c\/strong\u003e Space-saving form factor, easy to store or carry\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo Batteries Required:\u003c\/strong\u003e Casing only — batteries sold separately\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Plastic\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Plastic Battery Casing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eProduct images are for illustrative purposes; please refer to the written description for size details.\u003c\/li\u003e\n  \u003cli\u003ePlease allow 5–10 mm tolerance due to manual measurement.\u003c\/li\u003e\n  \u003cli\u003eActual color may vary slightly from images due to monitor settings and lighting conditions.\u003c\/li\u003e\n  \u003cli\u003eBatteries are \u003cstrong\u003enot included\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-large-capacity-battery-storage-organizer-box-batteries-not-included-vintage-beer-crate-appearance-holds-30-aaa-batteries\"\u003e1PC Large Capacity Battery Storage Organizer Box – Holds 30 AAA Batteries\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-mobile-data-cable-storage-box-portable-winding-earphone-charger-storage-box-with-lid-drawer-organizer-box\"\u003e1PC Mobile Data Cable Storage Box – Portable Charger \u0026amp; Earphone Organizer\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-10g-high-grade-silicon-grease-lubricant-o-lubrication-good-odorless-smoothness-for-o-rings-tube-silicone-grease-lubricant\"\u003e1PC High Grade Silicone Grease Lubricant for O-Rings\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What battery sizes does this plastic casing support?\u003c\/h4\u003e\n\u003cp\u003eA: This compact plastic battery casing is designed to hold 4×18A or 3×21A batteries, making it ideal for a wide range of flashlight models that use these configurations.\u003c\/p\u003e\n\u003ch4\u003eQ: What does the flat-to-pointed conversion mean?\u003c\/h4\u003e\n\u003cp\u003eA: The flat-to-pointed conversion feature allows flat-top batteries to make proper contact in flashlights or devices that require a pointed positive terminal, expanding the range of compatible batteries you can use.\u003c\/p\u003e\n\u003ch4\u003eQ: Are batteries included with this casing?\u003c\/h4\u003e\n\u003cp\u003eA: No, batteries are not included. This listing is for the plastic battery casing only. Batteries must be purchased separately.\u003c\/p\u003e\n\u003ch4\u003eQ: What material is the casing made from?\u003c\/h4\u003e\n\u003cp\u003eA: The casing is made from durable, lightweight plastic in a classic black color, built to securely hold your batteries during use or storage.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What battery sizes does this plastic casing support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This compact plastic battery casing is designed to hold 4×18A or 3×21A batteries, making it ideal for a wide range of flashlight models that use these configurations.\"}}, {\"@type\": \"Question\", \"name\": \"What does the flat-to-pointed conversion mean?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The flat-to-pointed conversion feature allows flat-top batteries to make proper contact in flashlights or devices that require a pointed positive terminal, expanding the range of compatible batteries you can use.\"}}, {\"@type\": \"Question\", \"name\": \"Are batteries included with this casing?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No, batteries are not included. This listing is for the plastic battery casing only. Batteries must be purchased separately.\"}}, {\"@type\": \"Question\", \"name\": \"What material is the casing made from?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The casing is made from durable, lightweight plastic in a classic black color, built to securely hold your batteries during use or storage.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Plastic Battery Case 4×18A 3×21A Flashlight Flat to Pointed\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/products\/plastic-battery-case-4x18a-3x21a-flashlight-flat-to-pointed-conversion\"}]}\u003c\/script\u003e","brand":"Nixie","offers":[{"title":"A2","offer_id":67915608621337,"sku":"1005010302779320-A2","price":3.9,"currency_code":"USD","in_stock":true},{"title":"A1","offer_id":67915608654105,"sku":"1005010302779320-A1","price":3.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/S8974104a286e4b3b81de2f814dc7da67W.webp?v=1792886192"},{"product_id":"20v-li-ion-bms-protection-board-for-dewalt-18v-20v-battery","title":"20V Li-Ion BMS Protection Board for Dewalt 18V\/20V Battery","description":"\n\u003ch2\u003e20V Li-Ion Battery Charging Protection Board for Dewalt 18V\/20V Packs\u003c\/h2\u003e\n\u003cp\u003eKeep your Dewalt 18V\/20V lithium-ion battery packs running safely and reliably with this high-quality \u003cstrong\u003eBMS Charging Protection Board\u003c\/strong\u003e. Designed specifically for 21700-cell 5S Li-Ion battery configurations, this PCB board guards against overcharge, over-discharge, and short-circuit conditions — extending the working life of your rebuilt or repaired battery packs.\u003c\/p\u003e\n\n\u003cp\u003eThis is a professional-grade component intended for experienced battery assemblers and repair technicians who are familiar with Li-Ion cell chemistry and battery pack construction. It is \u003cstrong\u003enot\u003c\/strong\u003e a plug-and-play consumer battery — it is a circuit board used in the assembly and repair process.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible with:\u003c\/strong\u003e Dewalt 18V \/ 20V 21700 Li-Ion battery packs (5S configuration)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Overcharge protection, over-discharge protection, and short-circuit protection\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e CLI-HR21DWL-5S BMS protection circuit board\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-quality PCB construction for durability and reliable performance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 13 × 7 cm (5.12 × 2.76 in) — compact design fits standard battery housings\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Brand new\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo battery, charger, or cells included\u003c\/strong\u003e — protection board only\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 20V Li-Ion Battery Charging Protection Board (BMS)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho Is This For?\u003c\/h3\u003e\n\u003cp\u003eThis BMS board is ideal for \u003cstrong\u003eDIY battery pack builders, electronics repair technicians, and hobbyists\u003c\/strong\u003e who are experienced in working with Li-Ion cells and battery management systems. It is only suitable for those with practical experience in battery assembly and a solid understanding of lithium-ion battery safety requirements.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Need\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-10g-high-grade-silicon-grease-lubricant-o-lubrication-good-odorless-smoothness-for-o-rings-tube-silicone-grease-lubricant\"\u003e1PC 10g High Grade Silicon Grease Lubricant – Great for sealing and protecting components\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-400cm-sealing-tape-faucet-sealing-tape-oil-free-leak-proof-water-pipe-gas-pipeline-sealing-tape\"\u003e1PC 400cm Sealing Tape – Oil-Free, Leak-Proof for Workshop Use\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/3pcs-silicone-sealant-scraper-set-multi-functional-caulking-nozzle-tools-for-tile-floor-joints-grout-finishing-and-renovation\"\u003e3PCS Silicone Sealant Scraper Set – Multi-Functional Workshop Tools\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is this BMS protection board compatible with all Dewalt battery models?\u003c\/h4\u003e\n\u003cp\u003eA: This charging protection board (type CLI-HR21DWL-5S) is specifically designed for Dewalt 18V and 20V battery packs that use 21700 Li-Ion cells in a 5S configuration. Please verify your battery pack's cell type and configuration before purchasing to ensure compatibility.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does this product include batteries or a charger?\u003c\/h4\u003e\n\u003cp\u003eA: No. This listing is for the BMS charging protection circuit board only. No Li-Ion cells, battery pack housing, or charger is included. You will need to source the appropriate 21700 cells and hardware separately for your battery assembly project.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can a beginner install this BMS protection board?\u003c\/h4\u003e\n\u003cp\u003eA: This board is intended for users who are already experienced in Li-Ion battery assembly and repair. Working with lithium-ion cells requires knowledge of proper safety procedures. If you are new to battery assembly, we strongly recommend gaining hands-on experience or consulting a professional before attempting installation.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is this BMS protection board compatible with all Dewalt battery models?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This charging protection board (type CLI-HR21DWL-5S) is specifically designed for Dewalt 18V and 20V battery packs that use 21700 Li-Ion cells in a 5S configuration. Please verify your battery pack's cell type and configuration before purchasing to ensure compatibility.\"}}, {\"@type\": \"Question\", \"name\": \"Does this product include batteries or a charger?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. This listing is for the BMS charging protection circuit board only. No Li-Ion cells, battery pack housing, or charger is included. You will need to source the appropriate 21700 cells and hardware separately for your battery assembly project.\"}}, {\"@type\": \"Question\", \"name\": \"Can a beginner install this BMS protection board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This board is intended for users who are already experienced in Li-Ion battery assembly and repair. Working with lithium-ion cells requires knowledge of proper safety procedures. If you are new to battery assembly, we strongly recommend gaining hands-on experience or consulting a professional before attempting installation.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"20V Li-Ion BMS Protection Board for Dewalt 18V\/20V Battery\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/products\/20v-li-ion-bms-charging-protection-board-for-dewalt-18v-20v-battery\"}]}\u003c\/script\u003e","brand":"Nixie","offers":[{"title":"1","offer_id":67916025725209,"sku":"1005012824082024-1","price":23.73,"currency_code":"USD","in_stock":true},{"title":"2","offer_id":67916025757977,"sku":"1005012824082024-2","price":23.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/Sdb2d7516094244bda9130af518d38923Q.webp?v=1792889462"},{"product_id":"18-21v-5s-li-ion-battery-protection-board-20a-module","title":"18\/21V 5S Li-Ion Battery Protection Board 20A Module","description":"\n\u003ch2\u003e18\/21V 5S Li-Ion Battery Protection Board — 20A Circuit Module\u003c\/h2\u003e\n\u003cp\u003eKeep your lithium battery packs running safely and efficiently with this compact \u003cstrong\u003e5S Li-Ion Battery Protection Board\u003c\/strong\u003e. Designed for 18V and 21V electric power tool battery packs, this 20A protection circuit module uses a dedicated 5-series lithium battery IC to provide real-time monitoring of voltage, charge\/discharge current, and ambient temperature — all in a small 46×40 mm footprint.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Current Support:\u003c\/strong\u003e Handles 8–20A charge\/discharge current for demanding power tool applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComprehensive Protection Functions:\u003c\/strong\u003e Safeguards against overcharge, over-discharge, and short circuit conditions, with a 1-second overcharge protection delay.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReal-Time IC Monitoring:\u003c\/strong\u003e Special-purpose 5S lithium battery IC continuously monitors each cell's voltage, current, and temperature.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Low Power Consumption:\u003c\/strong\u003e Working current of approximately 25µA; quiescent current as low as 6µA — minimal drain on your battery pack.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Operating Temperature Range:\u003c\/strong\u003e Rated from -55°C to 120°C (operating) and -55°C to 175°C (storage), with humidity tolerance up to RH ≤75%.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIY \u0026amp; Repair Friendly:\u003c\/strong\u003e Easy to integrate into custom or replacement battery pack builds for power tools and similar applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Battery Configuration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5S Li-Ion (18V \/ 21V)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCharge Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e25V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8–20A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWorking Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~25µA at 25°C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuiescent Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~6µA\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOvercharge Protection Delay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 second\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBoard Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e46 × 40 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-55°C to 120°C, RH ≤75%\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-55°C to 175°C, RH ≤75%\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 × Protection Board Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Product color and chip layout may vary between production batches, but performance and functionality remain unchanged.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-10g-high-grade-silicon-grease-lubricant-o-lubrication-good-odorless-smoothness-for-o-rings-tube-silicone-grease-lubricant\"\u003e1PC 10g High Grade Silicon Grease Lubricant for O-Rings \u0026amp; Tubes\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-large-capacity-battery-storage-organizer-box-batteries-not-included-vintage-beer-crate-appearance-holds-30-aaa-batteries\"\u003e1PC Large Capacity Battery Storage Organizer Box\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-mobile-data-cable-storage-box-portable-winding-earphone-charger-storage-box-with-lid-drawer-organizer-box\"\u003e1PC Mobile Data Cable \u0026amp; Charger Storage Box with Lid\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What battery configuration is this 5S protection board designed for?\u003c\/h4\u003e\n\u003cp\u003eA: This protection circuit board is specifically designed for \u003cstrong\u003e5-series (5S) Li-Ion battery packs\u003c\/strong\u003e, which operate at 18V to 21V. It is commonly used in electric power tool battery packs and similar DIY battery applications.\u003c\/p\u003e\n\u003ch4\u003eQ: What protection functions does this circuit board provide?\u003c\/h4\u003e\n\u003cp\u003eA: The board offers \u003cstrong\u003eovercharge protection\u003c\/strong\u003e (with a 1-second delay), \u003cstrong\u003eover-discharge protection\u003c\/strong\u003e, and \u003cstrong\u003eshort circuit protection\u003c\/strong\u003e. The built-in 5S IC monitors each cell's voltage, current, and temperature in real time to ensure stable, safe operation.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this protection board suitable for DIY battery pack builds?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! This module is ideal for DIY electrical projects and battery pack repairs. It is compact at 46×40 mm and supports 8–20A of current, making it a great fit for custom electric power tool battery packs. Always ensure you select the correct protection board for your specific battery configuration before installation.\u003c\/p\u003e\n\u003ch4\u003eQ: Will the board look exactly as pictured?\u003c\/h4\u003e\n\u003cp\u003eA: The board's color and chip layout may differ slightly between production batches, but these cosmetic differences do not affect the board's performance or functionality in any way.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What battery configuration is this 5S protection board designed for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This protection circuit board is specifically designed for 5-series (5S) Li-Ion battery packs, which operate at 18V to 21V. It is commonly used in electric power tool battery packs and similar DIY battery applications.\"}}, {\"@type\": \"Question\", \"name\": \"What protection functions does this circuit board provide?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The board offers overcharge protection (with a 1-second delay), over-discharge protection, and short circuit protection. The built-in 5S IC monitors each cell's voltage, current, and temperature in real time to ensure stable, safe operation.\"}}, {\"@type\": \"Question\", \"name\": \"Is this protection board suitable for DIY battery pack builds?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! This module is ideal for DIY electrical projects and battery pack repairs. It is compact at 46×40 mm and supports 8–20A of current, making it a great fit for custom electric power tool battery packs. Always ensure you select the correct protection board for your specific battery configuration before installation.\"}}, {\"@type\": \"Question\", \"name\": \"Will the board look exactly as pictured?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The board's color and chip layout may differ slightly between production batches, but these cosmetic differences do not affect the board's performance or functionality in any way.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"18\/21V 5S Li-Ion Battery Protection Board 20A Module\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/products\/18-21v-5s-li-ion-battery-protection-board-20a-circuit-module\"}]}\u003c\/script\u003e","brand":"Nixie","offers":[{"title":"B-3MOS","offer_id":67916095389977,"sku":"1005012698063381-B-3MOS","price":10.35,"currency_code":"USD","in_stock":true},{"title":"A-3MOS","offer_id":67916095422745,"sku":"1005012698063381-A-3MOS","price":10.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/S32ea1fc73aa8443aa33b4ce5345e8414E.webp?v=1792889837"},{"product_id":"xh-m609-low-voltage-disconnect-module-12v-36v-battery-protection","title":"XH-M609 Low Voltage Disconnect Module 12V-36V Battery Protection","description":"\n\u003ch2\u003eXH-M609 Low Voltage Disconnect Switch — 12V to 36V Battery Protection Module\u003c\/h2\u003e\n\u003cp\u003eKeep your lithium and lead-acid batteries in peak condition with the \u003cstrong\u003eXH-M609 Digital Undervoltage Protection Module\u003c\/strong\u003e. This compact relay-controlled board automatically cuts power output the moment battery voltage drops to your preset threshold, preventing deep discharge and extending battery service life across e-bikes, tricycles, solar systems, wind power setups, and more.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Voltage Compatibility:\u003c\/strong\u003e Supports DC 12V, 24V, and 36V systems — works with lithium batteries and lead-acid storage batteries of all standard voltages.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDigital LED Display:\u003c\/strong\u003e Real-time voltage readout with 0.1V precision so you always know your battery's exact status at a glance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomatic Cut-Off Protection:\u003c\/strong\u003e Relay-controlled output instantly disconnects when voltage falls to the preset low-voltage threshold, safeguarding against over-discharge damage.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFully Adjustable Settings:\u003c\/strong\u003e Use the \"+\" \/ \"−\" buttons to set your own cut-off voltage and hysteresis values. Settings auto-save after 3 seconds of idle time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFast Adjustment Mode:\u003c\/strong\u003e Long-press either button to rapidly scroll through values; double-click to enter setting mode when the decimal point flashes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFactory Reset:\u003c\/strong\u003e Hold both buttons while powering on (module off) — screen briefly shows \"888\" to confirm reset. Default settings: 12V protection voltage, 2V hysteresis.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Easy to Install:\u003c\/strong\u003e Dimensions: 16 × 42 × 57 mm (0.63″ × 1.65″ × 2.24″). PCB \/ fibreglass construction.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePack of 4 Modules:\u003c\/strong\u003e Great value — four identical units included in every order.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eXH-M609\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 12V – 36V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Batteries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12V–36V Lithium, Lead-Acid\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay Precision\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eControl Precision\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Error\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.1V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16 × 42 × 57 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConstruction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePCB \/ Fibreglass Board\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 × Voltage Protection Modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eE-bikes, tricycles, and electric scooters\u003c\/li\u003e\n  \u003cli\u003eCar and new-energy vehicle battery systems\u003c\/li\u003e\n  \u003cli\u003eSolar and wind power supply systems\u003c\/li\u003e\n  \u003cli\u003eLead-acid storage battery banks\u003c\/li\u003e\n  \u003cli\u003eDIY electronics and battery management projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e⚠️ Safety Instructions\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify all parameters with testing instruments before use.\u003c\/li\u003e\n  \u003cli\u003eAlways disconnect power before wiring — never work on live circuits.\u003c\/li\u003e\n  \u003cli\u003eDo not charge batteries unattended or in enclosed indoor spaces without ventilation.\u003c\/li\u003e\n  \u003cli\u003eWear insulated gloves and footwear for circuits above 36V; use safety goggles for soldering or any hazardous work.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUsage Tips\u003c\/h3\u003e\n\u003cp\u003eFor new batteries, set the standard cut-off voltage as specified by the manufacturer. For aged batteries, test the actual cut-off value first before adjusting parameters. For slow charging, use approximately: Charge Voltage ≈ Rated Voltage × 1.2 and Charge Current ≈ Rated Current × 0.2. \u003cem\u003eExample: A 6V 50Ah lead-acid battery → slow charge at ~7.2V \/ ~10A.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003cp\u003eLooking for other useful tools and accessories? Check out our \u003ca href=\"\/products\/1pc-10g-high-grade-silicon-grease-lubricant-o-lubrication-good-odorless-smoothness-for-o-rings-tube-silicone-grease-lubricant\"\u003eHigh Grade Silicone Grease Lubricant for O-Rings\u003c\/a\u003e or explore our \u003ca href=\"\/products\/1pc-large-capacity-battery-storage-organizer-box-batteries-not-included-vintage-beer-crate-appearance-holds-30-aaa-batteries\"\u003eLarge Capacity Battery Storage Organizer Box\u003c\/a\u003e to keep your workspace tidy and organised.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What battery types is the XH-M609 low voltage disconnect module compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: The XH-M609 is compatible with both lithium batteries and lead-acid storage batteries operating in the DC 12V to 36V range. This includes common 12V, 24V, and 36V battery configurations used in e-bikes, solar systems, vehicles, and wind power setups.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I adjust the cut-off voltage on the XH-M609 module?\u003c\/h4\u003e\n\u003cp\u003eA: Double-click the \"+\" or \"−\" button to enter setting mode — the decimal point will flash to indicate you're in edit mode. Use \"+\" or \"−\" to adjust the value; settings are auto-saved after 3 seconds of inactivity. For fast adjustment, hold either button down. To restore factory defaults (12V protection, 2V hysteresis), hold both buttons simultaneously while powering on the module — the display will briefly show \"888\" to confirm the reset.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How many modules are included in this listing?\u003c\/h4\u003e\n\u003cp\u003eA: Each order includes \u003cstrong\u003e4 × XH-M609 Voltage Protection Modules\u003c\/strong\u003e, making this a great value pack for multi-battery projects, workshops, or spare-parts inventory.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I use the XH-M609 disconnect switch with a solar or wind power system?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The XH-M609 is well-suited for solar and wind power battery banks operating within the DC 12V–36V range. It automatically disconnects the load when the battery voltage drops to the set threshold, protecting the battery from deep discharge during periods of low generation.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What battery types is the XH-M609 low voltage disconnect module compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The XH-M609 is compatible with both lithium batteries and lead-acid storage batteries operating in the DC 12V to 36V range. This includes common 12V, 24V, and 36V battery configurations used in e-bikes, solar systems, vehicles, and wind power setups.\"}}, {\"@type\": \"Question\", \"name\": \"How do I adjust the cut-off voltage on the XH-M609 module?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Double-click the \\\"+\\\" or \\\"−\\\" button to enter setting mode — the decimal point will flash to indicate you're in edit mode. Use \\\"+\\\" or \\\"−\\\" to adjust the value; settings are auto-saved after 3 seconds of inactivity. For fast adjustment, hold either button down. To restore factory defaults (12V protection, 2V hysteresis), hold both buttons simultaneously while powering on the module — the display will briefly show \\\"888\\\" to confirm the reset.\"}}, {\"@type\": \"Question\", \"name\": \"How many modules are included in this listing?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Each order includes 4 × XH-M609 Voltage Protection Modules, making this a great value pack for multi-battery projects, workshops, or spare-parts inventory.\"}}, {\"@type\": \"Question\", \"name\": \"Can I use the XH-M609 disconnect switch with a solar or wind power system?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The XH-M609 is well-suited for solar and wind power battery banks operating within the DC 12V–36V range. It automatically disconnects the load when the battery voltage drops to the set threshold, protecting the battery from deep discharge during periods of low generation.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"XH-M609 Low Voltage Disconnect Module 12V-36V Battery Protection\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/products\/xh-m609-low-voltage-disconnect-switch-12v-36v-battery-protection-module\"}]}\u003c\/script\u003e","brand":"Nixie","offers":[{"title":"4Pcs Style 1","offer_id":67916686328089,"sku":"1005012751066634-4Pcs Style 1","price":30.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/S3572b162ab65418dab9455f64c944043k.webp?v=1792893115"},{"product_id":"18v-bl1830-lithium-battery-protection-circuit-board-pcb-led","title":"18V BL1830 Lithium Battery Protection Circuit Board PCB\/LED","description":"\n\u003ch2\u003e18V BL1830 Lithium Battery Protection Circuit Board (PCB \/ LED)\u003c\/h2\u003e\n\u003cp\u003eKeep your 18V power tool lithium battery packs running safely and efficiently with this compact, high-quality \u003cstrong\u003eBattery Management System (BMS) Protection Circuit Board\u003c\/strong\u003e. Designed to be compatible with 18V BL1830-style lithium battery packs (3Ah, 6Ah, and 9Ah), this board provides essential multi-layer protection to extend battery life and safeguard your tools and workspace.\u003c\/p\u003e\n\n\u003cp\u003eAvailable in two variants — a standard \u003cstrong\u003ePCB Circuit Board\u003c\/strong\u003e or an \u003cstrong\u003eLED Circuit Board\u003c\/strong\u003e — so you can choose the option that best suits your replacement or repair needs.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Protection Design:\u003c\/strong\u003e Guards against overheat, overvoltage, undervoltage, overcurrent, and overcharge for maximum battery safety.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible with 18V BL1830 Lithium Battery Packs\u003c\/strong\u003e (3Ah, 6Ah, 9Ah capacity variants)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Copper clad laminate board built to last through repeated charge cycles — reliable until the battery cells themselves reach end of life.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Size:\u003c\/strong\u003e Approximately 4.6 × 3.3 cm — fits neatly inside standard battery housings.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy to Install:\u003c\/strong\u003e Straightforward drop-in replacement for DIY battery repair and rebuilding projects.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTwo Options:\u003c\/strong\u003e Choose between a standard PCB board or an LED-equipped board based on your preference.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Random (may vary per unit)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 18V\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18V BL1830 Power Tool Lithium Battery (3Ah \/ 6Ah \/ 9Ah)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCopper Clad Laminate\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 4.6 × 3.3 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePCB Circuit Board or LED Circuit Board\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRandom\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Circuit Board (PCB or LED, as selected)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Need\u003c\/h3\u003e\n\u003cp\u003eFor other handy tools and accessories for your DIY projects, check out:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-10g-high-grade-silicon-grease-lubricant-o-lubrication-good-odorless-smoothness-for-o-rings-tube-silicone-grease-lubricant\"\u003e1PC 10g High Grade Silicone Grease Lubricant for O-Rings \u0026amp; Tubes\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/3pcs-silicone-sealant-scraper-set-multi-functional-caulking-nozzle-tools-for-tile-floor-joints-grout-finishing-and-renovation\"\u003e3PCS Silicone Sealant Scraper Set – Multi-Functional Caulking Tools\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-multi-use-faucet-bubbler-wrenches-6-sizes-sink-wrenches-detach-tool-for-kitchen-bathroom-faucet-parts-repair-spanner\"\u003e1PC Multi-Use Faucet Bubbler Wrenches – 6-Size Repair Spanner Set\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: PCB design may change due to supply chain updates and processing technology improvements. The actual color may differ slightly from product images due to monitor brightness and lighting conditions. Please allow for minor measurement deviations of ±1–3 mm.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Which battery packs is this 18V protection circuit board compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This circuit board is designed for use with 18V BL1830-style lithium battery packs, including 3Ah, 6Ah, and 9Ah capacity variants commonly used in power tools. Always verify your battery pack's voltage and connector layout before installing.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the difference between the PCB Circuit Board and the LED Circuit Board options?\u003c\/h4\u003e\n\u003cp\u003eA: The standard PCB Circuit Board handles battery management and protection functions. The LED Circuit Board includes an additional LED indicator component, which can be used to show battery status or charge level depending on your battery housing design. Choose based on your specific repair or rebuild requirements.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What protections does this battery circuit board provide?\u003c\/h4\u003e\n\u003cp\u003eA: This protection board safeguards your lithium battery against five key issues: overheat, overvoltage, undervoltage, overcurrent, and overcharge. These protections help extend the usable life of your battery cells and keep your power tools operating safely.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How difficult is it to install this circuit board?\u003c\/h4\u003e\n\u003cp\u003eA: Installation is straightforward and suitable for home DIY repairs. The board is compact (approx. 4.6 × 3.3 cm) and designed to fit within standard battery housings. Basic soldering skills and familiarity with battery pack disassembly are recommended for best results.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Which battery packs is this 18V protection circuit board compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This circuit board is designed for use with 18V BL1830-style lithium battery packs, including 3Ah, 6Ah, and 9Ah capacity variants commonly used in power tools. Always verify your battery pack's voltage and connector layout before installing.\"}}, {\"@type\": \"Question\", \"name\": \"What is the difference between the PCB Circuit Board and the LED Circuit Board options?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The standard PCB Circuit Board handles battery management and protection functions. The LED Circuit Board includes an additional LED indicator component, which can be used to show battery status or charge level depending on your battery housing design. Choose based on your specific repair or rebuild requirements.\"}}, {\"@type\": \"Question\", \"name\": \"What protections does this battery circuit board provide?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This protection board safeguards your lithium battery against five key issues: overheat, overvoltage, undervoltage, overcurrent, and overcharge. These protections help extend the usable life of your battery cells and keep your power tools operating safely.\"}}, {\"@type\": \"Question\", \"name\": \"How difficult is it to install this circuit board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Installation is straightforward and suitable for home DIY repairs. The board is compact (approx. 4.6 × 3.3 cm) and designed to fit within standard battery housings. Basic soldering skills and familiarity with battery pack disassembly are recommended for best results.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"18V BL1830 Lithium Battery Protection Circuit Board PCB\/LED\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/products\/18v-bl1830-lithium-battery-protection-circuit-board-pcb-led\"}]}\u003c\/script\u003e","brand":"Nixie","offers":[{"title":"A","offer_id":67916739871001,"sku":"1005013136624764-A","price":21.76,"currency_code":"USD","in_stock":true},{"title":"B","offer_id":67916739903769,"sku":"1005013136624764-B","price":4.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/S8a734365ead94e70820208ee30230b86i.webp?v=1792893610"},{"product_id":"m18-18v-li-ion-battery-diy-pcb-charging-protection-circuit-board","title":"M18 18V Li-ion Battery DIY PCB Charging Protection Circuit Board","description":"\n\u003ch2\u003e18V M18 Li-ion Battery DIY PCB Charging Protection Circuit Board (3Ah–6Ah)\u003c\/h2\u003e\n\u003cp\u003eUpgrade or restore your 18V M18-compatible power tool batteries with this DIY PCB Charging Protection Circuit Board. Designed for 18650 lithium-ion battery packs ranging from 3Ah to 6Ah, this green PCB board features a built-in IC that actively monitors voltage and current, keeping your battery pack operating safely and efficiently. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSmart Built-in IC:\u003c\/strong\u003e Detects battery cell voltage and current in real time, and logs usage cycles for accurate battery management.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Layer Protection:\u003c\/strong\u003e Includes overheat, overvoltage, undervoltage, overcurrent, and overcharge protection — giving you complete peace of mind during charging and use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow-Voltage Shutdown:\u003c\/strong\u003e Compatible with the entire M18 series; automatically shuts down at low voltage to extend battery lifespan.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShock-Resistant \u0026amp; Stable:\u003c\/strong\u003e Robust PCB construction makes it an ideal partner for torque wrenches, impact drills, angle grinders, and other M18 power tools.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Supports 5-cell, 10-cell, and 15-cell 18650 battery configurations (3Ah to 6Ah).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIY-Friendly:\u003c\/strong\u003e Perfect for battery pack assembly or repair projects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePCB (Printed Circuit Board)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGreen\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCapacity Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3Ah – 6Ah\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Cell Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18650 Li-ion (not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Includes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 × PCB Protection Circuit Board\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAssembly Tips\u003c\/h3\u003e\n\u003ch4\u003eUsing New Batteries:\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eSelect 18650 power lithium battery cells only.\u003c\/li\u003e\n  \u003cli\u003eEquip your 5\/10\/15-cell sets with the appropriate resistors and capacitors to ensure consistent voltage across all cells before connecting to the PCB.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eRepairing an Old Battery Pack:\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eTest the voltage across each individual battery cell.\u003c\/li\u003e\n  \u003cli\u003eCharge all cells to the same voltage level before connecting to this protection board.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e PCB design may change due to supply chain or processing technology updates. Battery cells are NOT included. Actual color may vary slightly from images due to monitor and lighting differences. Please allow minor measurement deviations.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-10g-high-grade-silicon-grease-lubricant-o-lubrication-good-odorless-smoothness-for-o-rings-tube-silicone-grease-lubricant\"\u003e1PC 10g High Grade Silicone Grease Lubricant for O-Rings\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-large-capacity-battery-storage-organizer-box-batteries-not-included-vintage-beer-crate-appearance-holds-30-aaa-batteries\"\u003e1PC Large Capacity Battery Storage Organizer Box\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/3pcs-silicone-sealant-scraper-set-multi-functional-caulking-nozzle-tools-for-tile-floor-joints-grout-finishing-and-renovation\"\u003e3PCS Silicone Sealant Scraper Set – Multi-Functional Caulking Tools\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is this PCB protection board compatible with all M18 18V battery packs?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, this DIY PCB charging protection circuit board is designed for M18 18V battery systems and supports 5-cell, 10-cell, and 15-cell 18650 Li-ion configurations, covering 3Ah to 6Ah capacities. It works with the entire M18 series, including tools like impact drills, torque wrenches, and angle grinders.\u003c\/p\u003e\n\u003ch4\u003eQ: Do I need to do anything special before assembling the battery pack with this board?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. For new 18650 battery cells, make sure all cells are balanced to the same voltage using resistors and capacitors before assembly. For older cells being repaired, individually charge each cell to a matching voltage level before connecting them to the protection circuit board.\u003c\/p\u003e\n\u003ch4\u003eQ: Are batteries included with this PCB protection circuit board?\u003c\/h4\u003e\n\u003cp\u003eA: No, batteries are not included. This listing is for the PCB charging protection circuit board only. You will need to source compatible 18650 Li-ion power battery cells separately for your DIY battery pack project.\u003c\/p\u003e\n\u003ch4\u003eQ: What protections does this circuit board provide?\u003c\/h4\u003e\n\u003cp\u003eA: This board provides five key protections: overheat protection, overvoltage protection, undervoltage protection, overcurrent protection, and overcharge protection. It also features automatic low-voltage shutdown to help extend the life of your battery cells.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is this PCB protection board compatible with all M18 18V battery packs?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes, this DIY PCB charging protection circuit board is designed for M18 18V battery systems and supports 5-cell, 10-cell, and 15-cell 18650 Li-ion configurations, covering 3Ah to 6Ah capacities. It works with the entire M18 series, including tools like impact drills, torque wrenches, and angle grinders.\"}}, {\"@type\": \"Question\", \"name\": \"Do I need to do anything special before assembling the battery pack with this board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. For new 18650 battery cells, make sure all cells are balanced to the same voltage using resistors and capacitors before assembly. For older cells being repaired, individually charge each cell to a matching voltage level before connecting them to the protection circuit board.\"}}, {\"@type\": \"Question\", \"name\": \"Are batteries included with this PCB protection circuit board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No, batteries are not included. This listing is for the PCB charging protection circuit board only. You will need to source compatible 18650 Li-ion power battery cells separately for your DIY battery pack project.\"}}, {\"@type\": \"Question\", \"name\": \"What protections does this circuit board provide?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This board provides five key protections: overheat protection, overvoltage protection, undervoltage protection, overcurrent protection, and overcharge protection. It also features automatic low-voltage shutdown to help extend the life of your battery cells.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"M18 18V Li-ion Battery DIY PCB Charging Protection Circuit Board\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/products\/m18-18v-li-ion-battery-diy-pcb-charging-protection-circuit-board\"}]}\u003c\/script\u003e","brand":"Nixie","offers":[{"title":"Default Title","offer_id":67916790497561,"sku":"1005010382577175-Default Title","price":18.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/S2d943ef173ba42db9b6c9fd19818cf3a4.webp?v=1792894055"},{"product_id":"3s-50a-21v-lithium-bms-board-mt5s-for-power-tools-e-bikes","title":"3S 50A 21V Lithium BMS Board MT5S for Power Tools \u0026 E-Bikes","description":"\n\u003ch2\u003e3-Series 50A 21V Lithium Battery BMS Protection Board – MT5S Module\u003c\/h2\u003e\n\u003cp\u003eUpgrade your battery pack with this compact yet powerful \u003cstrong\u003e3-Series (3S) 50A 21V Lithium Battery BMS Board (MT5S Module)\u003c\/strong\u003e. Engineered for demanding applications including power tools, electric bikes, and DIY battery pack builds, this PCB protection board delivers reliable charge\/discharge management with multi-layer safety features built right in. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Protection Circuit:\u003c\/strong\u003e High-precision protection against overcharge, over-discharge, and short circuits — keeping your battery pack and equipment safe at all times.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e50A Instant Start Current:\u003c\/strong\u003e Handles up to 50A instantaneous output, delivering robust performance for high-power tools and equipment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBalanced Charge\/Discharge:\u003c\/strong\u003e Built-in cell balancing ensures all cells charge and discharge evenly, extending overall battery pack lifespan.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Designed for 3S lithium battery configurations (21V fully charged); ideal for angle grinders, wrenches, e-bikes, and a wide range of power tools.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExcellent Heat Dissipation:\u003c\/strong\u003e High-quality PCB material and alloy construction provide superior thermal management for long-term, stable operation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Size:\u003c\/strong\u003e Measures just 46 × 40 mm (approx. 1.81 × 1.57 in), making it easy to fit into custom battery housings and enclosures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMT5S BMS Protection Board\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3S (3-Series)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e21V (fully charged)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Continuous Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePCB \/ Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e46 × 40 mm \/ 1.81 × 1.57 in\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 3S 50A 21V BMS Protection Board (MT5S Module)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePhotos are for reference only; please refer to specifications for exact dimensions.\u003c\/li\u003e\n  \u003cli\u003eAllow slight variation due to manual measurement.\u003c\/li\u003e\n  \u003cli\u003eScreen calibration may cause minor color differences from the actual product.\u003c\/li\u003e\n  \u003cli\u003eBatteries are \u003cstrong\u003enot included\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-10g-high-grade-silicon-grease-lubricant-o-lubrication-good-odorless-smoothness-for-o-rings-tube-silicone-grease-lubricant\"\u003e1PC 10g High Grade Silicon Grease Lubricant for O-Rings \u0026amp; Tubes\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-multi-use-faucet-bubbler-wrenches-6-sizes-sink-wrenches-detach-tool-for-kitchen-bathroom-faucet-parts-repair-spanner\"\u003e1PC Multi-Use Faucet Bubbler Wrenches – 6 Sizes Repair Spanner\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/3pcs-silicone-sealant-scraper-set-multi-functional-caulking-nozzle-tools-for-tile-floor-joints-grout-finishing-and-renovation\"\u003e3PCS Silicone Sealant Scraper Set – Multi-Functional Caulking Tools\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What battery configuration is this BMS board designed for?\u003c\/h4\u003e\n\u003cp\u003eA: This BMS board is designed for \u003cstrong\u003e3-Series (3S) lithium battery packs\u003c\/strong\u003e, which have a fully charged voltage of 21V. It is compatible with standard 18650 and similar 3S lithium cell configurations commonly used in power tools and e-bikes.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does this board support cell balancing?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, the MT5S module features \u003cstrong\u003ebuilt-in cell balancing\u003c\/strong\u003e during charging, ensuring all cells in your 3S pack charge evenly to maximize capacity and extend battery life.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this BMS board suitable for e-bikes?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. With a \u003cstrong\u003e50A instant current rating\u003c\/strong\u003e and multi-protection features, this board is well-suited for e-bike battery packs, angle grinders, cordless wrenches, and other high-power applications.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Are batteries included with this purchase?\u003c\/h4\u003e\n\u003cp\u003eA: No, batteries are \u003cstrong\u003enot included\u003c\/strong\u003e. This listing is for the BMS protection board only. You will need to source your own 3S lithium cells separately.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What battery configuration is this BMS board designed for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This BMS board is designed for 3-Series (3S) lithium battery packs, which have a fully charged voltage of 21V. It is compatible with standard 18650 and similar 3S lithium cell configurations commonly used in power tools and e-bikes.\"}}, {\"@type\": \"Question\", \"name\": \"Does this board support cell balancing?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes, the MT5S module features built-in cell balancing during charging, ensuring all cells in your 3S pack charge evenly to maximize capacity and extend battery life.\"}}, {\"@type\": \"Question\", \"name\": \"Is this BMS board suitable for e-bikes?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. With a 50A instant current rating and multi-protection features, this board is well-suited for e-bike battery packs, angle grinders, cordless wrenches, and other high-power applications.\"}}, {\"@type\": \"Question\", \"name\": \"Are batteries included with this purchase?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No, batteries are not included. This listing is for the BMS protection board only. You will need to source your own 3S lithium cells separately.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"3S 50A 21V Lithium BMS Board MT5S for Power Tools \u0026 E-Bikes\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/products\/3s-50a-21v-lithium-battery-bms-board-mt5s-power-tools-ebikes\"}]}\u003c\/script\u003e","brand":"Nixie","offers":[{"title":"Default Title","offer_id":67916854198553,"sku":"1005012193350903-Default Title","price":6.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/S948862eb73a24c079636ecf7b883eed0P.webp?v=1792894475"},{"product_id":"10pcs-aa-nickel-plated-snap-on-leaf-spring-battery-contacts","title":"10pcs AA Nickel-Plated Snap-On Leaf Spring Battery Contacts","description":"\n\u003ch2\u003e10pcs AA Nickel-Plated Spring Steel Snap-On Leaf Battery Contacts\u003c\/h2\u003e\n\u003cp\u003eKeep your electronics powered and running smoothly with these high-quality AA snap-on leaf spring battery contacts. Crafted from durable spring steel with a nickel-plated finish, these contacts deliver reliable conductivity and a secure snap-on connection — perfect for DIY projects, repairs, and replacements in a wide range of battery-powered devices.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePremium Material:\u003c\/strong\u003e Made from high-grade spring steel with a nickel-plated coating for excellent conductivity and corrosion resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSnap-On Design:\u003c\/strong\u003e Easy-to-install leaf spring contact that locks securely into battery compartments without tools.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Size:\u003c\/strong\u003e Dimensions of 9 x 4.3 x 1 mm — precision-sized for AA battery applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Use:\u003c\/strong\u003e Ideal for repairing or building battery holders, remote controls, flashlights, toys, and other electronic devices.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGreat Value Pack:\u003c\/strong\u003e Comes in a pack of 10, giving you plenty of spares for multiple repairs or projects.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE Certified:\u003c\/strong\u003e Meets CE certification standards for quality and safety.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand New:\u003c\/strong\u003e 100% new and unused, packaged in a protective OPP bag.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSpring Steel with Nickel Plating\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStyle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSnap-On Leaf Spring (Coil)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9 x 4.3 x 1 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNickel Silver (as shown)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCE\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 pcs in OPP bag\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e10 × AA Snap-On Leaf Spring Battery Contacts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-large-capacity-battery-storage-organizer-box-batteries-not-included-vintage-beer-crate-appearance-holds-30-aaa-batteries\"\u003e1PC Large Capacity Battery Storage Organizer Box – Holds 30 AAA Batteries\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-10g-high-grade-silicon-grease-lubricant-o-lubrication-good-odorless-smoothness-for-o-rings-tube-silicone-grease-lubricant\"\u003e1PC 10g High Grade Silicone Grease Lubricant for O-Rings\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-mobile-data-cable-storage-box-portable-winding-earphone-charger-storage-box-with-lid-drawer-organizer-box\"\u003e1PC Mobile Data Cable Storage Box – Portable Charger \u0026amp; Earphone Organizer\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What battery size are these leaf spring contacts compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: These snap-on leaf spring battery contacts are designed for AA batteries. Their compact 9 x 4.3 x 1 mm dimensions make them suitable for standard AA battery holder repairs and DIY electronic builds.\u003c\/p\u003e\n\u003ch4\u003eQ: What are these battery contacts used for?\u003c\/h4\u003e\n\u003cp\u003eA: These contacts are used to repair or replace worn-out battery terminals in a wide variety of devices, including remote controls, flashlights, toys, radios, and other battery-powered electronics. They are also great for custom battery holder projects.\u003c\/p\u003e\n\u003ch4\u003eQ: Are these contacts easy to install?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The snap-on leaf spring design allows for quick, tool-free installation. Simply press the contact into place in the battery compartment and it locks securely, ensuring a reliable electrical connection.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the coating material and why does it matter?\u003c\/h4\u003e\n\u003cp\u003eA: These contacts feature a nickel-plated finish over a spring steel base. Nickel plating provides excellent electrical conductivity, resistance to oxidation, and long-lasting durability — ensuring consistent performance over repeated use.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What battery size are these leaf spring contacts compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"These snap-on leaf spring battery contacts are designed for AA batteries. Their compact 9 x 4.3 x 1 mm dimensions make them suitable for standard AA battery holder repairs and DIY electronic builds.\"}}, {\"@type\": \"Question\", \"name\": \"What are these battery contacts used for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"These contacts are used to repair or replace worn-out battery terminals in a wide variety of devices, including remote controls, flashlights, toys, radios, and other battery-powered electronics. They are also great for custom battery holder projects.\"}}, {\"@type\": \"Question\", \"name\": \"Are these contacts easy to install?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! The snap-on leaf spring design allows for quick, tool-free installation. Simply press the contact into place in the battery compartment and it locks securely, ensuring a reliable electrical connection.\"}}, {\"@type\": \"Question\", \"name\": \"What is the coating material and why does it matter?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"These contacts feature a nickel-plated finish over a spring steel base. Nickel plating provides excellent electrical conductivity, resistance to oxidation, and long-lasting durability — ensuring consistent performance over repeated use.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"10pcs AA Nickel-Plated Snap-On Leaf Spring Battery Contacts\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/products\/aa-snap-on-leaf-spring-battery-contacts-10pcs-nickel-plated\"}]}\u003c\/script\u003e","brand":"Nixie","offers":[{"title":"Default Title","offer_id":67916923863321,"sku":"1005011847310040-Default Title","price":12.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/S52cdec8472e24124b349e7f93484c22b1.webp?v=1792894808"},{"product_id":"4pcs-18650-battery-spot-welding-fixture-jig-clamp-set-pla","title":"4PCS 18650 Battery Spot Welding Fixture Jig Clamp Set – PLA","description":"\n\u003ch2\u003e4PCS 18650 Lithium Battery Spot Welding Fixture Jig Clamp Set\u003c\/h2\u003e\n\u003cp\u003eBuild cleaner, more reliable battery packs with this professional-grade \u003cstrong\u003e18650 spot welding fixture set\u003c\/strong\u003e. Crafted from reinforced hard PLA, this 4-piece jig clamp assembly bracket holds cylindrical 18650 lithium batteries firmly in place, eliminating cell movement during spot welding so every weld lands exactly where it should. Whether you're assembling a DIY power bank, modifying an e-bike battery, or building a custom lithium pack, this fixture delivers the precision and repeatability you need.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExcellent Electrical Insulation:\u003c\/strong\u003e High-quality reinforced PLA is naturally non-conductive, effectively preventing accidental short circuits during the spot welding process and keeping both the operator and the batteries safe.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecision Positioning Slots:\u003c\/strong\u003e High-precision molded slots are sized to fit standard 18650 cylindrical lithium batteries perfectly, eliminating cell displacement during welding for neat, accurate, and reliable results every time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLong-Lasting Durability:\u003c\/strong\u003e Thickened, hardened PLA delivers strong impact resistance and structural rigidity, resisting deformation after repeated long-term use — outlasting standard plastic welding jigs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLightweight \u0026amp; Easy to Handle:\u003c\/strong\u003e Low-density PLA keeps the entire jig set significantly lighter than metal equivalents, making it easy to carry between work sites and reducing hand fatigue during extended welding sessions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eScratch-Free Battery Protection:\u003c\/strong\u003e One-piece molded construction creates smooth, burr-free contact surfaces on all edges, protecting battery casings from scratches during fixing and operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eReinforced Hard PLA\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 pieces per set\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Batteries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard 18650 Cylindrical Lithium Batteries\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDIY battery pack assembly, power bank production, e-bike battery building, electronic product modification, spot welding\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-large-capacity-battery-storage-organizer-box-batteries-not-included-vintage-beer-crate-appearance-holds-30-aaa-batteries\"\u003e1PC Large Capacity Battery Storage Organizer Box – Holds 30 AAA Batteries\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-10g-high-grade-silicon-grease-lubricant-o-lubrication-good-odorless-smoothness-for-o-rings-tube-silicone-grease-lubricant\"\u003e1PC 10g High Grade Silicon Grease Lubricant for O-Rings \u0026amp; Tubes\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/3pcs-silicone-sealant-scraper-set-multi-functional-caulking-nozzle-tools-for-tile-floor-joints-grout-finishing-and-renovation\"\u003e3PCS Silicone Sealant Scraper Set – Multi-Functional Caulking Nozzle Tools\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eProduct photos are for illustrative purposes only; please refer to the written specifications for size details.\u003c\/li\u003e\n  \u003cli\u003eSlight measurement differences may occur due to manual measuring; minor color variations may appear due to monitor differences.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Are these 18650 spot welding fixture jigs compatible with all standard 18650 batteries?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The precision-molded slots are designed to fit all standard 18650 cylindrical lithium batteries, ensuring a snug, secure hold during spot welding for consistent, accurate results.\u003c\/p\u003e\n\u003ch4\u003eQ: Why is PLA used instead of metal for this welding fixture set?\u003c\/h4\u003e\n\u003cp\u003eA: Reinforced PLA offers excellent electrical insulation (preventing short circuits), is lighter than metal for easier handling, and its smooth molded surface protects battery casings from scratches — making it an ideal material for a spot welding jig fixture.\u003c\/p\u003e\n\u003ch4\u003eQ: How many pieces are included in this battery spot welding jig set?\u003c\/h4\u003e\n\u003cp\u003eA: This listing includes 4 pieces per set, giving you enough fixtures to hold multiple batteries simultaneously for efficient DIY battery pack assembly or production workflows.\u003c\/p\u003e\n\u003ch4\u003eQ: Can this fixture be used for power bank or e-bike battery pack building?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. This jig clamp set is suitable for a wide range of applications including DIY lithium battery pack assembly, power bank production, e-bike battery building, battery maintenance, and electronic product modification involving 18650 cells.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Are these 18650 spot welding fixture jigs compatible with all standard 18650 batteries?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The precision-molded slots are designed to fit all standard 18650 cylindrical lithium batteries, ensuring a snug, secure hold during spot welding for consistent, accurate results.\"}}, {\"@type\": \"Question\", \"name\": \"Why is PLA used instead of metal for this welding fixture set?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Reinforced PLA offers excellent electrical insulation (preventing short circuits), is lighter than metal for easier handling, and its smooth molded surface protects battery casings from scratches — making it an ideal material for a spot welding jig fixture.\"}}, {\"@type\": \"Question\", \"name\": \"How many pieces are included in this battery spot welding jig set?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This listing includes 4 pieces per set, giving you enough fixtures to hold multiple batteries simultaneously for efficient DIY battery pack assembly or production workflows.\"}}, {\"@type\": \"Question\", \"name\": \"Can this fixture be used for power bank or e-bike battery pack building?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. This jig clamp set is suitable for a wide range of applications including DIY lithium battery pack assembly, power bank production, e-bike battery building, battery maintenance, and electronic product modification involving 18650 cells.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"4PCS 18650 Battery Spot Welding Fixture Jig Clamp Set – PLA\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/products\/18650-battery-spot-welding-fixture-jig-clamp-set-4pcs-pla\"}]}\u003c\/script\u003e","brand":"Nixie","offers":[{"title":"A3","offer_id":67916933923097,"sku":"1005013191501722-A3","price":5.55,"currency_code":"USD","in_stock":true},{"title":"A4","offer_id":67916933955865,"sku":"1005013191501722-A4","price":3.83,"currency_code":"USD","in_stock":true},{"title":"A5","offer_id":67916933988633,"sku":"1005013191501722-A5","price":3.65,"currency_code":"USD","in_stock":true},{"title":"A1","offer_id":67916934021401,"sku":"1005013191501722-A1","price":9.62,"currency_code":"USD","in_stock":true},{"title":"A2","offer_id":67916934054169,"sku":"1005013191501722-A2","price":5.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/S285b44c68be04d0e9044debc141798dbl.webp?v=1792894821"},{"product_id":"21700-battery-spot-welding-fixture-clamp-1-to-4-pcs","title":"21700 Battery Spot Welding Fixture Clamp – 1 to 4 Pcs","description":"\n\u003ch2\u003e21700 Lithium Battery Spot Welding Fixture Mold\u003c\/h2\u003e\n\u003cp\u003eKeep your 21700 lithium battery cells perfectly aligned and securely held during hand assembly and spot welding. This durable plastic welding fixture clamp is designed specifically for the 21700 cell format, making it an essential tool for DIY battery pack builders, hobbyists, and electronics enthusiasts. Choose from a set of 1 to 4 pieces to match your project scale.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePurpose-Built Design:\u003c\/strong\u003e Engineered specifically for 21700-format lithium battery cells to ensure a precise, stable fit during spot welding and manual assembly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSecure Cell Positioning:\u003c\/strong\u003e Holds each cell firmly in place so your spot welder makes clean, consistent contact every time — reducing the risk of misalignment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Plastic Construction:\u003c\/strong\u003e Made from sturdy black plastic that is lightweight yet tough enough for repeated workshop use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSelectable Quantity:\u003c\/strong\u003e Available in sets of 1, 2, 3, or 4 fixtures — ideal whether you're building a small single-module pack or a larger multi-cell assembly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy to Use:\u003c\/strong\u003e Simple, tool-free clamping mechanism that works smoothly for manual welding workflows.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNote:\u003c\/strong\u003e Batteries are NOT included — fixture only.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlastic\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Cell Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e21700\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 \/ 2 \/ 3 \/ 4 Pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBatteries Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 \/ 2 \/ 3 \/ 4 × 21700 Spot Welding Fixture Mold (as selected)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Due to variations in monitor brightness and display settings, the actual product color may differ slightly from images shown. Please refer to the physical product received.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-10g-high-grade-silicon-grease-lubricant-o-lubrication-good-odorless-smoothness-for-o-rings-tube-silicone-grease-lubricant\"\u003e1PC 10g High Grade Silicon Grease Lubricant for O-Rings \u0026amp; Tubes\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-large-capacity-battery-storage-organizer-box-batteries-not-included-vintage-beer-crate-appearance-holds-30-aaa-batteries\"\u003e1PC Large Capacity Battery Storage Organizer Box – Holds 30 AAA Batteries\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/3pcs-silicone-sealant-scraper-set-multi-functional-caulking-nozzle-tools-for-tile-floor-joints-grout-finishing-and-renovation\"\u003e3PCS Silicone Sealant Scraper Set – Multi-Functional Caulking Tools\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What battery size is this welding fixture compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This spot welding fixture mold is designed specifically for 21700 lithium battery cells. It is not intended for 18650 or other cell formats, so please confirm your cell size before ordering.\u003c\/p\u003e\n\u003ch4\u003eQ: Do batteries come included with the fixture?\u003c\/h4\u003e\n\u003cp\u003eA: No, batteries are not included. The package contains only the plastic welding fixture clamp(s) in the quantity you select (1, 2, 3, or 4 pieces).\u003c\/p\u003e\n\u003ch4\u003eQ: Can this fixture be used with a spot welder for home or hobby battery pack assembly?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! This fixture is ideal for DIY hobbyists and workshop users performing manual hand assembly and spot welding of 21700 lithium battery packs. It securely holds cells in alignment for clean, consistent welds.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What battery size is this welding fixture compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This spot welding fixture mold is designed specifically for 21700 lithium battery cells. It is not intended for 18650 or other cell formats, so please confirm your cell size before ordering.\"}}, {\"@type\": \"Question\", \"name\": \"Do batteries come included with the fixture?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No, batteries are not included. The package contains only the plastic welding fixture clamp(s) in the quantity you select (1, 2, 3, or 4 pieces).\"}}, {\"@type\": \"Question\", \"name\": \"Can this fixture be used with a spot welder for home or hobby battery pack assembly?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! This fixture is ideal for DIY hobbyists and workshop users performing manual hand assembly and spot welding of 21700 lithium battery packs. It securely holds cells in alignment for clean, consistent welds.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"21700 Battery Spot Welding Fixture Clamp – 1 to 4 Pcs\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/products\/21700-battery-spot-welding-fixture-clamp-mold\"}]}\u003c\/script\u003e","brand":"Nixie","offers":[{"title":"21700 C","offer_id":67916938903833,"sku":"1005010382446601-21700 C","price":6.04,"currency_code":"USD","in_stock":true},{"title":"21700 D","offer_id":67916938936601,"sku":"1005010382446601-21700 D","price":6.46,"currency_code":"USD","in_stock":true},{"title":"21700 A","offer_id":67916938969369,"sku":"1005010382446601-21700 A","price":3.55,"currency_code":"USD","in_stock":true},{"title":"21700 B","offer_id":67916939002137,"sku":"1005010382446601-21700 B","price":3.79,"currency_code":"USD","in_stock":true},{"title":"21700 4pcs","offer_id":67916939034905,"sku":"1005010382446601-21700 4pcs","price":16.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/S6dee09c11839460582cdf12596801b95v.webp?v=1792894863"},{"product_id":"21v-18650-bms-protection-board-with-temp-monitor-for-power-tools","title":"21V 18650 BMS Protection Board with Temp Monitor for Power Tools","description":"\n\u003ch2\u003e21V 18650 BMS Protection Circuit Board with Temperature Monitor\u003c\/h2\u003e\n\u003cp\u003eKeep your cordless power tools running safely and efficiently with this \u003cstrong\u003e6MOS 21V 18650 Battery Management System (BMS) Protection Board\u003c\/strong\u003e. Designed for high-demand power tools, this circuit board features built-in temperature monitoring to help prevent overheating, overcharging, and over-discharging — extending the life of your battery pack and your tools.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e6MOS 3-Alloy Design:\u003c\/strong\u003e Six MOSFET configuration delivers stable, efficient power management for 21V lithium battery packs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperature Control:\u003c\/strong\u003e Integrated temperature monitoring helps safeguard your battery and tool from thermal issues during heavy use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSide LED Indicator Lamps:\u003c\/strong\u003e Built-in side lights provide a quick visual reference for power status.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Suitable for electric scissors, electric hammers, electric saws, angle grinders, and other 21V cordless power tools using 18650 cells.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Made from quality metal components for reliable, long-lasting performance in demanding workshop and job-site environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Replacement:\u003c\/strong\u003e Drop-in replacement for worn or faulty protection boards — no complex wiring required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 21V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery Compatibility:\u003c\/strong\u003e 18650 lithium cells\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMOSFET Configuration:\u003c\/strong\u003e 6MOS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Metal \/ Plastic housing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperature Protection:\u003c\/strong\u003e Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Tools:\u003c\/strong\u003e Electric scissors, electric hammers, electric saws, angle grinders\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 21V 18650 BMS Protection Circuit Board\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Product color may appear slightly different from images due to monitor brightness and lighting conditions. Please refer to the actual product received.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-10g-high-grade-silicon-grease-lubricant-o-lubrication-good-odorless-smoothness-for-o-rings-tube-silicone-grease-lubricant\"\u003e1PC 10g High Grade Silicon Grease Lubricant – Great for Tool Maintenance\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-large-capacity-battery-storage-organizer-box-batteries-not-included-vintage-beer-crate-appearance-holds-30-aaa-batteries\"\u003e1PC Large Capacity Battery Storage Organizer Box – Keep Your Batteries Organized\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/3pcs-silicone-sealant-scraper-set-multi-functional-caulking-nozzle-tools-for-tile-floor-joints-grout-finishing-and-renovation\"\u003e3PCS Silicone Sealant Scraper Set – Multi-Functional Tool Accessory\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What power tools is this 21V 18650 BMS protection board compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This 21V BMS protection board is designed for use with a wide range of cordless power tools that use 18650 lithium battery cells, including electric scissors, electric hammers, electric saws, and angle grinders. Always verify your tool's voltage and battery configuration before installing.\u003c\/p\u003e\n\u003ch4\u003eQ: What does the temperature monitor feature do on this BMS protection board?\u003c\/h4\u003e\n\u003cp\u003eA: The integrated temperature monitoring circuit continuously tracks the battery pack's heat levels during operation. If temperatures rise beyond safe thresholds, the protection circuit helps prevent damage to both the battery cells and the power tool, contributing to safer and longer-lasting performance.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this BMS board a direct replacement for a worn-out protection circuit?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. This board is intended as a replacement part for faulty or worn 21V 18650 protection circuits in compatible power tools. We recommend verifying your existing board's specifications — voltage, cell count, and MOSFET configuration — to ensure a proper match before installation.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What power tools is this 21V 18650 BMS protection board compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This 21V BMS protection board is designed for use with a wide range of cordless power tools that use 18650 lithium battery cells, including electric scissors, electric hammers, electric saws, and angle grinders. Always verify your tool's voltage and battery configuration before installing.\"}}, {\"@type\": \"Question\", \"name\": \"What does the temperature monitor feature do on this BMS protection board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The integrated temperature monitoring circuit continuously tracks the battery pack's heat levels during operation. If temperatures rise beyond safe thresholds, the protection circuit helps prevent damage to both the battery cells and the power tool, contributing to safer and longer-lasting performance.\"}}, {\"@type\": \"Question\", \"name\": \"Is this BMS board a direct replacement for a worn-out protection circuit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. This board is intended as a replacement part for faulty or worn 21V 18650 protection circuits in compatible power tools. We recommend verifying your existing board's specifications — voltage, cell count, and MOSFET configuration — to ensure a proper match before installation.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"21V 18650 BMS Protection Board with Temp Monitor for Power Tools\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/products\/21v-18650-bms-protection-board-temperature-monitor-power-tools\"}]}\u003c\/script\u003e","brand":"Nixie","offers":[{"title":"Default Title","offer_id":67916968591641,"sku":"1005010382529343-Default Title","price":9.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/S5793c8526fe0434a8919bf543a982508Y.webp?v=1792894993"},{"product_id":"bl1830-nickel-plated-steel-strip-for-lithium-battery-pack","title":"BL1830 Nickel Plated Steel Strip for Lithium Battery Pack","description":"\n\u003ch2\u003eBL1830 Nickel Plated Steel Strip for Lithium Battery Pack Connectors\u003c\/h2\u003e\n\u003cp\u003eUpgrade your lithium battery packs with this premium BL1830 Nickel Plated Steel Strip — a reliable, high-conductivity connector solution designed for power tool battery packs and DIY battery assembly projects. Made from quality nickel-plated metal, this strip maintains low resistance over extended use, helping your battery pack perform at its best for longer.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose This Nickel Strip?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow-Resistance Design:\u003c\/strong\u003e Nickel plating prevents resistance build-up over time, extending the usable life of your battery pack and maintaining consistent power output.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eImproved Power Tool Efficiency:\u003c\/strong\u003e Designed specifically for lithium battery power tools, this strip helps maximize output power and efficiency — so you can get more work done on a single charge.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOvercharge \u0026amp; Over-Discharge Protection:\u003c\/strong\u003e The strip helps safeguard your battery cells from overcharging and over-discharging, adding a layer of protection to your battery assembly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries \u0026amp; Parallel Battery Connection:\u003c\/strong\u003e Easily connect multiple battery cells in series or parallel to increase total capacity, enabling longer run times for your power tools.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy to Install \u0026amp; Maintain:\u003c\/strong\u003e Simple, clean design makes installation and maintenance straightforward — even for home DIY enthusiasts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e BL1830\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Nickel Plated Steel (Metal)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Contents:\u003c\/strong\u003e 1 Set\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Home DIY \/ Power Tool Battery Pack Assembly\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatible Uses\u003c\/h3\u003e\n\u003cp\u003eThis nickel steel strip is ideal for rebuilding or assembling lithium-ion battery packs for power tools, cordless drills, and other BL1830-compatible devices. It's a go-to component for DIY battery builders and repair enthusiasts looking for a dependable connector strip.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-10g-high-grade-silicon-grease-lubricant-o-lubrication-good-odorless-smoothness-for-o-rings-tube-silicone-grease-lubricant\"\u003e1PC 10g High Grade Silicon Grease Lubricant for O-Rings \u0026amp; Tubes\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-multi-use-faucet-bubbler-wrenches-6-sizes-sink-wrenches-detach-tool-for-kitchen-bathroom-faucet-parts-repair-spanner\"\u003e1PC Multi-Use Faucet Bubbler Wrenches – 6-Size Repair Spanner\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/3pcs-silicone-sealant-scraper-set-multi-functional-caulking-nozzle-tools-for-tile-floor-joints-grout-finishing-and-renovation\"\u003e3PCS Silicone Sealant Scraper Set – Multi-Functional Caulking Tools\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Slight color variation may occur due to monitor brightness and lighting conditions. Please allow for minor manual measurement deviations.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the BL1830 nickel plated steel strip used for?\u003c\/h4\u003e\n\u003cp\u003eA: The BL1830 nickel plated steel strip is used to connect individual lithium battery cells together when building or rebuilding battery packs for power tools. It helps create reliable, low-resistance electrical connections between cells, improving overall battery performance and longevity.\u003c\/p\u003e\n\u003ch4\u003eQ: How does nickel plating benefit the battery connector strip?\u003c\/h4\u003e\n\u003cp\u003eA: Nickel plating helps prevent oxidation and corrosion on the steel strip surface, which in turn keeps electrical resistance low over extended use. This means more consistent power delivery from your battery pack and a longer service life compared to uncoated alternatives.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this strip compatible with all lithium battery packs?\u003c\/h4\u003e\n\u003cp\u003eA: This strip is specifically designed for BL1830-compatible lithium battery packs commonly used in power tools. Always verify the dimensions and specifications match your battery cells before installation to ensure a proper fit and safe connection.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the BL1830 nickel plated steel strip used for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The BL1830 nickel plated steel strip is used to connect individual lithium battery cells together when building or rebuilding battery packs for power tools. It helps create reliable, low-resistance electrical connections between cells, improving overall battery performance and longevity.\"}}, {\"@type\": \"Question\", \"name\": \"How does nickel plating benefit the battery connector strip?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Nickel plating helps prevent oxidation and corrosion on the steel strip surface, which in turn keeps electrical resistance low over extended use. This means more consistent power delivery from your battery pack and a longer service life compared to uncoated alternatives.\"}}, {\"@type\": \"Question\", \"name\": \"Is this strip compatible with all lithium battery packs?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This strip is specifically designed for BL1830-compatible lithium battery packs commonly used in power tools. Always verify the dimensions and specifications match your battery cells before installation to ensure a proper fit and safe connection.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"BL1830 Nickel Plated Steel Strip for Lithium Battery Pack\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/products\/bl1830-nickel-plated-steel-strip-lithium-battery-pack-connectors\"}]}\u003c\/script\u003e","brand":"Nixie","offers":[{"title":"A1","offer_id":67917014532377,"sku":"1005011722730767-A1","price":8.56,"currency_code":"USD","in_stock":true},{"title":"A2","offer_id":67917014565145,"sku":"1005011722730767-A2","price":10.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/S8c5be453c33f420e98ac7306347c9dbcu.webp?v=1792895241"},{"product_id":"18650-lithium-battery-spot-welding-fixture-assembly-bracket","title":"18650 Lithium Battery Spot Welding Fixture Assembly Bracket","description":"\n\u003ch2\u003eSpot Welding Fixture \u0026amp; Assembly Bracket for 18650 Lithium Batteries\u003c\/h2\u003e\n\u003cp\u003eTake your battery assembly projects to the next level with this \u003cstrong\u003eDurable Spot Welding Fixture\u003c\/strong\u003e — a professional-grade bracket designed specifically for 18650 lithium battery packs. Whether you're a DIY enthusiast building custom battery packs at home or a workshop professional needing reliable, repeatable positioning, this fixture delivers precision and stability every time.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReady to Use:\u003c\/strong\u003e No customization or complicated setup required — simply position your 18650 cells and get straight to work, saving you valuable time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProfessional-Grade Precision:\u003c\/strong\u003e Built to professional standards to ensure accurate cell alignment and consistent results across every welding or assembly task.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile for DIY \u0026amp; Workshop Use:\u003c\/strong\u003e Ideal for home DIY battery projects, electric vehicle battery packs, power tool battery rebuilds, and more.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSafe Construction:\u003c\/strong\u003e Manufactured without high-concern chemicals, making it safe to handle in a variety of assembly and welding environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable High-Quality Plastic:\u003c\/strong\u003e Constructed from robust, long-lasting plastic that withstands repeated use without warping or degrading.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAvailable in 1-Pack or 4-Pack:\u003c\/strong\u003e Choose the quantity that suits your project scale — stock up and save with the 4-piece option.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh-Quality Plastic\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Battery\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18650 Lithium Cells\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePack Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Piece \/ 4 Pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBatteries Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Actual product color may vary slightly from images shown due to monitor brightness and lighting conditions. Please refer to the physical item received.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-10g-high-grade-silicon-grease-lubricant-o-lubrication-good-odorless-smoothness-for-o-rings-tube-silicone-grease-lubricant\"\u003e1PC 10g High Grade Silicon Grease Lubricant for O-Rings – Smooth, Odorless\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-large-capacity-battery-storage-organizer-box-batteries-not-included-vintage-beer-crate-appearance-holds-30-aaa-batteries\"\u003e1PC Large Capacity Battery Storage Organizer Box – Holds 30 AAA Batteries\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/3pcs-silicone-sealant-scraper-set-multi-functional-caulking-nozzle-tools-for-tile-floor-joints-grout-finishing-and-renovation\"\u003e3PCS Silicone Sealant Scraper Set – Multi-Functional Caulking \u0026amp; Finishing Tools\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What battery size is this spot welding fixture compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This welding fixture is specifically designed for \u003cstrong\u003e18650 lithium battery cells\u003c\/strong\u003e. It securely holds cells in place during spot welding and assembly to ensure consistent, accurate positioning every time.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does the fixture come with batteries included?\u003c\/h4\u003e\n\u003cp\u003eA: No, the 18650 lithium batteries are \u003cstrong\u003enot included\u003c\/strong\u003e. The listing covers the fixture bracket only — available in a 1-piece or 4-piece pack.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this fixture suitable for beginners doing DIY battery builds?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The fixture is designed to be \u003cstrong\u003eready to use straight out of the box\u003c\/strong\u003e with no customization needed, making it an excellent choice for both beginners tackling home DIY battery projects and experienced builders looking for a reliable, repeatable assembly tool.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What material is the welding fixture made from?\u003c\/h4\u003e\n\u003cp\u003eA: The fixture is crafted from \u003cstrong\u003ehigh-quality, durable plastic\u003c\/strong\u003e that is built to withstand repeated use without warping. It is also manufactured without high-concern chemicals, ensuring a safe working environment.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What battery size is this spot welding fixture compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This welding fixture is specifically designed for 18650 lithium battery cells. It securely holds cells in place during spot welding and assembly to ensure consistent, accurate positioning every time.\"}}, {\"@type\": \"Question\", \"name\": \"Does the fixture come with batteries included?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No, the 18650 lithium batteries are not included. The listing covers the fixture bracket only — available in a 1-piece or 4-piece pack.\"}}, {\"@type\": \"Question\", \"name\": \"Is this fixture suitable for beginners doing DIY battery builds?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. The fixture is designed to be ready to use straight out of the box with no customization needed, making it an excellent choice for both beginners tackling home DIY battery projects and experienced builders looking for a reliable, repeatable assembly tool.\"}}, {\"@type\": \"Question\", \"name\": \"What material is the welding fixture made from?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The fixture is crafted from high-quality, durable plastic that is built to withstand repeated use without warping. It is also manufactured without high-concern chemicals, ensuring a safe working environment.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"18650 Lithium Battery Spot Welding Fixture Assembly Bracket\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/products\/spot-welding-fixture-assembly-bracket-18650-lithium-battery\"}]}\u003c\/script\u003e","brand":"Nixie","offers":[{"title":"18650 D","offer_id":67917024919833,"sku":"1005010382411749-18650 D","price":6.42,"currency_code":"USD","in_stock":true},{"title":"18650 C","offer_id":67917024952601,"sku":"1005010382411749-18650 C","price":6.0,"currency_code":"USD","in_stock":true},{"title":"18650 B","offer_id":67917024985369,"sku":"1005010382411749-18650 B","price":3.86,"currency_code":"USD","in_stock":true},{"title":"18650 A","offer_id":67917025018137,"sku":"1005010382411749-18650 A","price":3.51,"currency_code":"USD","in_stock":true},{"title":"18650 4pcs","offer_id":67917025050905,"sku":"1005010382411749-18650 4pcs","price":15.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/Sc6f5aab1d4924429883a5f1b7d0d4cc0U.webp?v=1792895316"},{"product_id":"21v-18650-battery-protection-board-6mos-with-temperature-control","title":"21V 18650 Battery Protection Board 6MOS with Temperature Control","description":"\n\u003ch2\u003e21V 18650 Battery Protection Board with Temperature Control \u0026amp; Side Indicator Lights\u003c\/h2\u003e\n\u003cp\u003eKeep your power tools running safely and efficiently with this \u003cstrong\u003e6MOS 3-Alloy 21V 18650 Battery Protection Board\u003c\/strong\u003e. Engineered for DIY enthusiasts and professionals alike, this compact protection board features built-in temperature control and convenient side indicator lights — giving you real-time feedback and reliable safeguarding for your 18650 lithium battery packs.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e6MOS 3-Alloy Design:\u003c\/strong\u003e Robust 6-MOSFET circuit using a 3-alloy configuration for stable, efficient power management and extended board lifespan.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e21V Rated Voltage:\u003c\/strong\u003e Perfectly suited for 5-cell 18650 lithium battery packs commonly used in cordless power tools.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperature Control Protection:\u003c\/strong\u003e Integrated thermal sensor automatically monitors heat levels and cuts off power if the board gets too hot — helping prevent damage to your batteries and tools.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSide Indicator Lights:\u003c\/strong\u003e Built-in LED side lights provide a quick visual status check so you always know your battery system's condition at a glance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Designed to work with electric scissors, electric hammers, electric saws, angle grinders, and similar 21V cordless power tools.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Metal Construction:\u003c\/strong\u003e Sturdy metallic build ensures lasting performance even in demanding workshop or job-site environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHome DIY Friendly:\u003c\/strong\u003e Straightforward design makes it easy to integrate into your existing battery packs for home or workshop projects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 21V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery Compatibility:\u003c\/strong\u003e 18650 Lithium\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMOSFET Count:\u003c\/strong\u003e 6MOS (3-Alloy)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Metal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFeatures:\u003c\/strong\u003e Temperature Control, Side Indicator Lights\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplicable Tools:\u003c\/strong\u003e Electric Scissors, Electric Hammers, Electric Saws, Angle Grinders\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1 × Protection Board\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 21V 18650 6MOS Battery Protection Board\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Colors may appear slightly different from product images due to monitor brightness and lighting conditions. Please refer to the actual product received.\u003c\/p\u003e\n\n\u003ch3\u003eYou Might Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-10g-high-grade-silicon-grease-lubricant-o-lubrication-good-odorless-smoothness-for-o-rings-tube-silicone-grease-lubricant\"\u003e1PC 10g High Grade Silicone Grease Lubricant for O-Rings\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/3pcs-silicone-sealant-scraper-set-multi-functional-caulking-nozzle-tools-for-tile-floor-joints-grout-finishing-and-renovation\"\u003e3PCS Silicone Sealant Scraper Set – Multi-Functional Caulking Tools\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-multi-use-faucet-bubbler-wrenches-6-sizes-sink-wrenches-detach-tool-for-kitchen-bathroom-faucet-parts-repair-spanner\"\u003e1PC Multi-Use Faucet Bubbler Wrench Set – 6 Sizes\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What power tools is this 21V 18650 protection board compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This 21V 18650 battery protection board is compatible with a wide range of cordless power tools, including electric scissors, electric hammers, electric saws, and angle grinders. Any 21V cordless tool using a 5-cell 18650 lithium battery pack is a suitable match.\u003c\/p\u003e\n\u003ch4\u003eQ: What does the temperature control feature do on this protection board?\u003c\/h4\u003e\n\u003cp\u003eA: The integrated temperature control sensor continuously monitors the board's operating temperature. If it exceeds a safe threshold during heavy use or charging, the circuit automatically cuts off power to prevent overheating — helping to protect both your battery cells and connected tools from damage.\u003c\/p\u003e\n\u003ch4\u003eQ: What do the side indicator lights on the board indicate?\u003c\/h4\u003e\n\u003cp\u003eA: The built-in LED side indicator lights provide a quick visual status of the battery protection board's operating condition. They allow you to confirm at a glance whether the board is active and functioning correctly, without needing additional testing equipment.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What power tools is this 21V 18650 protection board compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This 21V 18650 battery protection board is compatible with a wide range of cordless power tools, including electric scissors, electric hammers, electric saws, and angle grinders. Any 21V cordless tool using a 5-cell 18650 lithium battery pack is a suitable match.\"}}, {\"@type\": \"Question\", \"name\": \"What does the temperature control feature do on this protection board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The integrated temperature control sensor continuously monitors the board's operating temperature. If it exceeds a safe threshold during heavy use or charging, the circuit automatically cuts off power to prevent overheating — helping to protect both your battery cells and connected tools from damage.\"}}, {\"@type\": \"Question\", \"name\": \"What do the side indicator lights on the board indicate?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The built-in LED side indicator lights provide a quick visual status of the battery protection board's operating condition. They allow you to confirm at a glance whether the board is active and functioning correctly, without needing additional testing equipment.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"21V 18650 Battery Protection Board 6MOS with Temperature Control\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/products\/21v-18650-battery-protection-board-6mos-temperature-control-side-lights\"}]}\u003c\/script\u003e","brand":"Nixie","offers":[{"title":"Default Title","offer_id":67917054869785,"sku":"1005012617302839-Default Title","price":7.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/S5793c8526fe0434a8919bf543a982508Y_a1cd37a4-8e21-45e6-b26c-e51d54a16e7f.webp?v=1792895553"},{"product_id":"10pcs-18650-battery-spring-contact-sheets-16x16mm-18-5x16-5mm","title":"10Pcs 18650 Battery Spring Contact Sheets 16x16mm 18.5x16.5mm","description":"\n\u003ch2\u003e18650 Battery Spring Contact Sheets – Pack of 10 (5 Sets)\u003c\/h2\u003e\n\u003cp\u003eKeep your DIY electronics and battery-powered projects running smoothly with these precision-crafted \u003cstrong\u003e18650 Battery Spring Contact Sheets\u003c\/strong\u003e. Made from nickel-plated iron, these compact contact plates deliver a secure, stable electrical connection in any single or bipolar battery holder configuration. Whether you're building custom battery packs, repairing flashlights, or working on hobby electronics, this pack of 10 (5 complete sets) has you covered.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Made from 0.3mm iron sheet with nickel plating for excellent conductivity and corrosion resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSecure Spring Contact Design:\u003c\/strong\u003e The coil-spring mechanism ensures a firm, reliable connection with your 18650 cells every time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTwo Compact Sizes Included:\u003c\/strong\u003e Covers both 16×16mm and 18.5×16.5mm form factors — ideal for tight spaces and varied enclosures.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSingle \u0026amp; Bipolar Compatibility:\u003c\/strong\u003e Suitable for use as positive or negative terminals in single or bipolar battery box configurations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGreat Value Pack:\u003c\/strong\u003e Includes 10 units (5 complete sets), giving you everything needed for multiple builds or replacements.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE Certified:\u003c\/strong\u003e Meets CE certification standards for electrical DIY supplies.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Use:\u003c\/strong\u003e Perfect for hobbyists, makers, electronics repair technicians, and industrial applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.3mm iron sheet + nickel plating\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSizes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16×16mm \u0026amp; 18.5×16.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpring Spec\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9×4.3×1mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStyle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCoil spring contact\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 units (5 sets)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCE\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Due to manual measurement, please allow a tolerance of 1–3mm. Actual color may vary slightly from product images due to monitor differences.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-large-capacity-battery-storage-organizer-box-batteries-not-included-vintage-beer-crate-appearance-holds-30-aaa-batteries\"\u003e1PC Large Capacity Battery Storage Organizer Box – Holds 30 AAA Batteries\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-10g-high-grade-silicon-grease-lubricant-o-lubrication-good-odorless-smoothness-for-o-rings-tube-silicone-grease-lubricant\"\u003e1PC High Grade Silicone Grease Lubricant for O-Rings \u0026amp; Tubes\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-mobile-data-cable-storage-box-portable-winding-earphone-charger-storage-box-with-lid-drawer-organizer-box\"\u003e1PC Mobile Data Cable Storage Box – Portable Winding Organizer\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What sizes of battery contact sheets are included in this pack?\u003c\/h4\u003e\n\u003cp\u003eA: This pack of 10 units (5 sets) includes two sizes: 16×16mm and 18.5×16.5mm spring contact sheets, making them compatible with a range of 18650 battery box enclosures and custom builds.\u003c\/p\u003e\n\u003ch4\u003eQ: Are these 18650 battery spring contact sheets suitable for both positive and negative terminals?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The single bipolar design means these contact sheets can be used for both positive and negative terminals in your 18650 battery holder, giving you full flexibility for your DIY or industrial projects.\u003c\/p\u003e\n\u003ch4\u003eQ: What material are these battery contact sheets made from?\u003c\/h4\u003e\n\u003cp\u003eA: These contact sheets are crafted from 0.3mm iron sheet with a nickel-plated finish, providing strong conductivity, durability, and resistance to oxidation for long-lasting performance in battery applications.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What sizes of battery contact sheets are included in this pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This pack of 10 units (5 sets) includes two sizes: 16×16mm and 18.5×16.5mm spring contact sheets, making them compatible with a range of 18650 battery box enclosures and custom builds.\"}}, {\"@type\": \"Question\", \"name\": \"Are these 18650 battery spring contact sheets suitable for both positive and negative terminals?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! The single bipolar design means these contact sheets can be used for both positive and negative terminals in your 18650 battery holder, giving you full flexibility for your DIY or industrial projects.\"}}, {\"@type\": \"Question\", \"name\": \"What material are these battery contact sheets made from?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"These contact sheets are crafted from 0.3mm iron sheet with a nickel-plated finish, providing strong conductivity, durability, and resistance to oxidation for long-lasting performance in battery applications.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"10Pcs 18650 Battery Spring Contact Sheets 16x16mm 18.5x16.5mm\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/products\/18650-battery-spring-contact-sheets-10pcs-16x16mm-18-5x16-5mm\"}]}\u003c\/script\u003e","brand":"Nixie","offers":[{"title":"5 Sets 18.5x16.5MM","offer_id":67917056082201,"sku":"1005010642082857-5 Sets 18.5x16.5MM","price":2.35,"currency_code":"USD","in_stock":true},{"title":"5 Sets 16x16MM","offer_id":67917056114969,"sku":"1005010642082857-5 Sets 16x16MM","price":2.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/S13ad6a5f96d94244b12e7e24637125a3R.webp?v=1792895553"},{"product_id":"21v-18650-bms-protection-board-6mos-with-temperature-control","title":"21V 18650 BMS Protection Board 6MOS with Temperature Control","description":"\n\u003ch2\u003e21V 18650 BMS Protection Board – 6MOS 3-Alloy with Temperature Control\u003c\/h2\u003e\n\u003cp\u003eKeep your cordless power tools running safely and efficiently with this \u003cstrong\u003e21V 18650 BMS (Battery Management System) Protection Board\u003c\/strong\u003e. Featuring a 6MOS 3-alloy circuit design and built-in temperature control, this board safeguards your 18650 lithium battery pack from overcharge, over-discharge, overcurrent, and overheating — extending the life of your tools and batteries.\u003c\/p\u003e\n\n\u003cp\u003eWhether you're working with electric scissors, electric hammers, or electric saws, this protection board is a reliable replacement or upgrade for your power tool battery system. The integrated side LED indicators let you monitor battery status at a glance, making it ideal for home DIY projects and workshop use alike.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e6MOS 3-Alloy Design:\u003c\/strong\u003e High-efficiency MOSFET configuration for stable power delivery and low internal resistance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperature Control:\u003c\/strong\u003e Built-in thermal protection prevents overheating for safer operation\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e21V Output:\u003c\/strong\u003e Compatible with standard 18650 lithium battery packs used in cordless power tools\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSide LED Indicator Lights:\u003c\/strong\u003e Convenient battery status monitoring at a glance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Protection Circuit:\u003c\/strong\u003e Guards against overcharge, over-discharge, overcurrent, and short circuit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Suitable for angle grinders, electric scissors, electric hammers, and electric saws\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Metal Construction:\u003c\/strong\u003e Built to withstand the demands of regular power tool use\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlug-and-Play Replacement:\u003c\/strong\u003e Easy to install — no customization required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 21V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery Type:\u003c\/strong\u003e 18650 Li-ion\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMOSFET Configuration:\u003c\/strong\u003e 6MOS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Metal (3-Alloy)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperature Control:\u003c\/strong\u003e Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSide Indicator Lights:\u003c\/strong\u003e Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatible With\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eElectric Scissors\u003c\/li\u003e\n  \u003cli\u003eElectric Hammers\u003c\/li\u003e\n  \u003cli\u003eElectric Saws\u003c\/li\u003e\n  \u003cli\u003eAngle Grinding Machines\u003c\/li\u003e\n  \u003cli\u003eOther 21V 18650-based cordless power tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 21V 18650 BMS Protection Board (6MOS with Temperature Control)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Actual product color may vary slightly from images due to monitor brightness and lighting conditions. Please refer to the physical item received.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-10g-high-grade-silicon-grease-lubricant-o-lubrication-good-odorless-smoothness-for-o-rings-tube-silicone-grease-lubricant\"\u003e1PC 10g High Grade Silicone Grease Lubricant for O-Rings\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/3pcs-silicone-sealant-scraper-set-multi-functional-caulking-nozzle-tools-for-tile-floor-joints-grout-finishing-and-renovation\"\u003e3PCS Silicone Sealant Scraper Set – Multi-Functional Caulking Tools\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-multi-use-faucet-bubbler-wrenches-6-sizes-sink-wrenches-detach-tool-for-kitchen-bathroom-faucet-parts-repair-spanner\"\u003e1PC Multi-Use Faucet Bubbler Wrenches – 6 Sizes Repair Spanner\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What power tools is this 21V 18650 BMS protection board compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This protection board is compatible with a range of 21V 18650 lithium battery-powered tools, including angle grinders, electric scissors, electric hammers, and electric saws. It is suitable for any cordless power tool that uses a 21V 18650 battery pack configuration.\u003c\/p\u003e\n\u003ch4\u003eQ: What does the temperature control feature do on this BMS protection board?\u003c\/h4\u003e\n\u003cp\u003eA: The built-in temperature control circuit monitors the battery pack's heat levels during charging and discharging. If the temperature exceeds a safe threshold, the board will automatically cut power to prevent damage to the battery cells and the connected tool, ensuring safe and reliable operation.\u003c\/p\u003e\n\u003ch4\u003eQ: How do the side LED indicator lights work?\u003c\/h4\u003e\n\u003cp\u003eA: The side LED indicator lights on this protection board display the current battery charge status, allowing you to quickly check remaining power without needing additional tools or devices. This is especially handy during DIY projects or workshop tasks where quick status checks are important.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What power tools is this 21V 18650 BMS protection board compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This protection board is compatible with a range of 21V 18650 lithium battery-powered tools, including angle grinders, electric scissors, electric hammers, and electric saws. It is suitable for any cordless power tool that uses a 21V 18650 battery pack configuration.\"}}, {\"@type\": \"Question\", \"name\": \"What does the temperature control feature do on this BMS protection board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The built-in temperature control circuit monitors the battery pack's heat levels during charging and discharging. If the temperature exceeds a safe threshold, the board will automatically cut power to prevent damage to the battery cells and the connected tool, ensuring safe and reliable operation.\"}}, {\"@type\": \"Question\", \"name\": \"How do the side LED indicator lights work?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The side LED indicator lights on this protection board display the current battery charge status, allowing you to quickly check remaining power without needing additional tools or devices. This is especially handy during DIY projects or workshop tasks where quick status checks are important.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"21V 18650 BMS Protection Board 6MOS with Temperature Control\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/products\/21v-18650-bms-protection-board-6mos-temperature-control-power-tools\"}]}\u003c\/script\u003e","brand":"Nixie","offers":[{"title":"Default Title","offer_id":67917057425689,"sku":"1005012766305170-Default Title","price":8.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/S5793c8526fe0434a8919bf543a982508Y_ece8a77f-58cd-4d86-aa5d-a92531931d01.webp?v=1792895557"},{"product_id":"12v-20a-18650-lithium-battery-type-c-charging-for-power-tools","title":"12V 20A 18650 Lithium Battery Type-C Charging for Power Tools","description":"\u003ch2\u003e12V 3-Cell 20A 18650 Rechargeable Lithium Battery Pack\u003c\/h2\u003e\n\u003cp\u003ePower up your power tools with this high-energy \u003cstrong\u003e12V 3-Cell 18650 Lithium Battery Pack\u003c\/strong\u003e. Designed as a compatible replacement battery for electric drills, pistol drills, angle grinders, and electric screwdrivers, this battery delivers strong, consistent power with a long service life. Convenient \u003cstrong\u003eType-C charging\u003c\/strong\u003e means you can top it up quickly using modern cables you already own.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Energy, Non-Memory Design:\u003c\/strong\u003e Charge at any time without worrying about memory effect — no need to fully discharge before recharging.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType-C Fast Charging:\u003c\/strong\u003e Compatible with standard Type-C cables for quick and convenient recharging anywhere.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-In Circuit Board Protection:\u003c\/strong\u003e Integrated BMS protects against overcharging, overloading, and drill lock-up — automatically cuts power when needed to protect your battery and tools.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePull-Type Design:\u003c\/strong\u003e Easy slide-in, slide-out installation compatible with universal charging drill and pistol drill formats.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Robust plastic and metal housing built to withstand the demands of regular power tool use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Capacity Output:\u003c\/strong\u003e 12V \/ 20A rating delivers reliable performance for angle grinders, electric drills, and screwdrivers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCell Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18650 Lithium (3 Cells)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCharging Port\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eType-C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePull Type\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlastic + Metal\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible With\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectric Drill, Pistol Drill, Electric Screwdriver, Angle Grinder\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Includes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 × Battery Set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatible Tools\u003c\/h3\u003e\n\u003cp\u003eThis versatile replacement battery is suitable for a wide range of 12V cordless power tools including:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eElectric Drills \u0026amp; Pistol Drills\u003c\/li\u003e\n  \u003cli\u003eAngle Grinders\u003c\/li\u003e\n  \u003cli\u003eElectric Screwdrivers\u003c\/li\u003e\n  \u003cli\u003eUniversal Charging Drill formats\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eProduct images are for reference only; please refer to the written specifications for exact dimensions.\u003c\/li\u003e\n  \u003cli\u003eMinor measurement differences may occur due to manual measurement — please allow a small tolerance.\u003c\/li\u003e\n  \u003cli\u003eActual color may vary slightly from images due to differences between display monitors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-10g-high-grade-silicon-grease-lubricant-o-lubrication-good-odorless-smoothness-for-o-rings-tube-silicone-grease-lubricant\"\u003e1PC High Grade Silicone Grease Lubricant for Tools \u0026amp; O-Rings\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/3pcs-silicone-sealant-scraper-set-multi-functional-caulking-nozzle-tools-for-tile-floor-joints-grout-finishing-and-renovation\"\u003e3PCS Silicone Sealant Scraper Set – Multi-Functional Caulking Tools\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-multi-use-faucet-bubbler-wrenches-6-sizes-sink-wrenches-detach-tool-for-kitchen-bathroom-faucet-parts-repair-spanner\"\u003e1PC Multi-Use Faucet Bubbler Wrenches – 6 Sizes Repair Spanner\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What power tools is this 12V lithium battery compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This 12V 18650 lithium battery pack is designed for use with electric drills, pistol drills, angle grinders, and electric screwdrivers that accept a pull-type 12V battery. It is a universal replacement format suitable for a wide range of cordless power tools.\u003c\/p\u003e\n\u003ch4\u003eQ: Does this battery support Type-C charging?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, this battery features a built-in Type-C charging port, allowing you to recharge it using any standard Type-C cable — the same cable used for many modern smartphones and devices.\u003c\/p\u003e\n\u003ch4\u003eQ: Does this battery have overcharge protection?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The battery includes an integrated circuit board protection system (BMS) that monitors charging and usage. It automatically cuts power in the event of overcharging, drill lock-up, or overload conditions to protect both the battery and your tools.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this a memory-free lithium battery?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. This is a high-energy, non-memory lithium battery, meaning you can charge it at any time — even if it is not fully depleted — without reducing its overall battery life or capacity.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What power tools is this 12V lithium battery compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This 12V 18650 lithium battery pack is designed for use with electric drills, pistol drills, angle grinders, and electric screwdrivers that accept a pull-type 12V battery. It is a universal replacement format suitable for a wide range of cordless power tools.\"}}, {\"@type\": \"Question\", \"name\": \"Does this battery support Type-C charging?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes, this battery features a built-in Type-C charging port, allowing you to recharge it using any standard Type-C cable — the same cable used for many modern smartphones and devices.\"}}, {\"@type\": \"Question\", \"name\": \"Does this battery have overcharge protection?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The battery includes an integrated circuit board protection system (BMS) that monitors charging and usage. It automatically cuts power in the event of overcharging, drill lock-up, or overload conditions to protect both the battery and your tools.\"}}, {\"@type\": \"Question\", \"name\": \"Is this a memory-free lithium battery?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. This is a high-energy, non-memory lithium battery, meaning you can charge it at any time — even if it is not fully depleted — without reducing its overall battery life or capacity.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"12V 20A 18650 Lithium Battery Type-C Charging for Power Tools\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/products\/12v-20a-18650-lithium-battery-type-c-charging-power-tools\"}]}\u003c\/script\u003e","brand":"Nixie","offers":[{"title":"Default Title","offer_id":67917061816601,"sku":"1005011847046448-Default Title","price":10.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/S16cbf59b4460433c840f8ad5fc890cedj.webp?v=1792895615"},{"product_id":"led-flashlight-driver-board-type-c-3-5-modes-18650-26650-pcb","title":"LED Flashlight Driver Board Type-C 3\/5 Modes 18650 26650 PCB","description":"\n\u003ch2\u003eType-C \/ Micro USB LED Flashlight Driver Board – 3 or 5 Modes | 18650 \u0026amp; 26650 Compatible\u003c\/h2\u003e\n\u003cp\u003eUpgrade or repair your flashlight with this compact, high-performance \u003cstrong\u003eLED Flashlight Driver Board (PCB Circuit Board)\u003c\/strong\u003e. Designed for DIY enthusiasts and electronics hobbyists alike, this single-cell lithium driver board delivers stable, efficient power output for a wide range of flashlight builds. Choose between \u003cstrong\u003e3-mode\u003c\/strong\u003e (High \/ Low \/ Strobe) or \u003cstrong\u003e5-mode\u003c\/strong\u003e (High \/ Medium \/ Low \/ Strobe \/ SOS) variants to match your project needs. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible Voltage Input (3–4.2V):\u003c\/strong\u003e Fully compatible with a single 18650 or 26650 lithium-ion battery, ensuring stable operation across a wide charge range.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Charging Interface:\u003c\/strong\u003e Integrated \u003cstrong\u003eType-C and Micro USB\u003c\/strong\u003e charging port lets you top up your battery using modern cables you already own.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated Center Switch:\u003c\/strong\u003e Easy one-handed operation for cycling through brightness modes — ideal for outdoor adventures or everyday use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStable Current Output (2000–3000mA):\u003c\/strong\u003e Optimized circuit design delivers consistent, high-brightness output while minimizing energy waste and heat generation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Performance Driver Microchip:\u003c\/strong\u003e Reduces power consumption and thermal buildup, improving the overall longevity and performance of your flashlight.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Fits a broad range of strong-light flashlight barrels and is compatible with multiple LED emitter brands and models.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIY-Friendly:\u003c\/strong\u003e A versatile upgrade option for flashlight modders, makers, and electronics hobbyists looking to customize or repair their torch.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3–4.2V (1× 18650 or 26650 battery)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2000–3000mA\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModes (3-mode)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh \/ Low \/ Strobe\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModes (5-mode)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh \/ Medium \/ Low \/ Strobe \/ SOS\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCharging Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eType-C \/ Micro USB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlastic + Metal\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBatteries Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× Flashlight LED Driver Board (PCB Circuit Board)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-large-capacity-battery-storage-organizer-box-batteries-not-included-vintage-beer-crate-appearance-holds-30-aaa-batteries\"\u003e1PC Large Capacity Battery Storage Organizer Box – Holds 30 AAA Batteries\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-mobile-data-cable-storage-box-portable-winding-earphone-charger-storage-box-with-lid-drawer-organizer-box\"\u003e1PC Mobile Data Cable Storage Box – Portable Charger \u0026amp; Cable Organizer\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/2m-light-stand-folding-telescoping-tripod-adjustable-photography-floor-lamp-holder-tripod-for-outdoor-picnics-camping-hiking\"\u003e2m Folding Telescoping Tripod Light Stand for Outdoor \u0026amp; Camping\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Which batteries are compatible with this LED flashlight driver board?\u003c\/h4\u003e\n\u003cp\u003eA: This driver board is designed for a single 18650 or 26650 lithium-ion battery with a voltage range of 3–4.2V. Batteries are NOT included and must be purchased separately.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the difference between the 3-mode and 5-mode versions?\u003c\/h4\u003e\n\u003cp\u003eA: The 3-mode version cycles through High, Low, and Strobe. The 5-mode version adds Medium brightness and an SOS emergency signal, making it more versatile for a wider range of uses including outdoor and emergency situations.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I use a Type-C cable to charge the battery through this board?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The board features an integrated Type-C (and Micro USB) charging interface, so you can charge a compatible lithium battery directly through the board using a standard Type-C cable.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this driver board compatible with my existing flashlight barrel?\u003c\/h4\u003e\n\u003cp\u003eA: This PCB driver board is designed to fit a wide range of strong-light flashlight barrels and is compatible with multiple LED emitter brands and models. We recommend checking your flashlight's inner diameter and LED type before purchasing to ensure the best fit.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Which batteries are compatible with this LED flashlight driver board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This driver board is designed for a single 18650 or 26650 lithium-ion battery with a voltage range of 3–4.2V. Batteries are NOT included and must be purchased separately.\"}}, {\"@type\": \"Question\", \"name\": \"What is the difference between the 3-mode and 5-mode versions?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The 3-mode version cycles through High, Low, and Strobe. 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We recommend checking your flashlight's inner diameter and LED type before purchasing to ensure the best fit.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"LED Flashlight Driver Board Type-C 3\/5 Modes 18650 26650 PCB\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/products\/led-flashlight-driver-board-type-c-micro-3-5-modes-18650-26650-pcb\"}]}\u003c\/script\u003e","brand":"Nixie","offers":[{"title":"Type C","offer_id":67917084950809,"sku":"1005012281513699-Type C","price":7.58,"currency_code":"USD","in_stock":true},{"title":"Micro USB","offer_id":67917084983577,"sku":"1005012281513699-Micro USB","price":7.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/S9b2844ac92264e1886b6a60035f927edi.webp?v=1792895857"},{"product_id":"12v-12a-solar-charge-controller-lithium-battery-charging-board","title":"12V 12A Solar Charge Controller – Lithium Battery Charging Board","description":"\u003ch2\u003e12V 12A Solar Charge Controller for Lithium Batteries\u003c\/h2\u003e\n\u003cp\u003ePower your off-grid projects with confidence using this compact and efficient Solar Charge Controller Board. Designed for 12V systems with a 12A rated current, it delivers stable, regulated charging for both ternary lithium and iron lithium (LiFePO4) batteries. Whether you're running a 4G\/5G monitoring station, a remote outdoor power setup, or a small photovoltaic system, this board keeps your batteries charged safely and efficiently.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntelligent Solar Charging:\u003c\/strong\u003e Advanced charging technology maximizes power extraction from your solar panels, optimizing energy efficiency for 12V systems across a wide range of environmental conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Battery Compatibility:\u003c\/strong\u003e Engineered to work with both ternary lithium and iron lithium (LiFePO4) batteries, providing precise charge management that helps extend battery lifespan and enhances operational safety.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e12A High-Efficiency Charging:\u003c\/strong\u003e With a rated current of 12A and a maximum input of 120W, this module delivers fast, stable charging — ideal for small to medium-scale solar applications and off-grid power setups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE Certified:\u003c\/strong\u003e Meets European safety and electromagnetic compatibility standards for reliable, secure operation in varied environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Solar Input\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120W\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTernary Lithium, Iron Lithium (LiFePO4)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAlloy electronic components, fiberglass PCB\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCE\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4G\/5G monitoring power supply, small off-grid photovoltaic systems, outdoor solar power projects\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e4G\/5G remote monitoring and surveillance power supply\u003c\/li\u003e\n  \u003cli\u003eSmall off-grid photovoltaic (solar) power systems\u003c\/li\u003e\n  \u003cli\u003eOutdoor solar energy projects and camping power setups\u003c\/li\u003e\n  \u003cli\u003eTernary lithium and LiFePO4 battery charging management\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePlease Note\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eProduct images are for illustration purposes only; please refer to the written specifications for size details.\u003c\/li\u003e\n  \u003cli\u003eMinor measurement differences may occur due to manual measurement methods.\u003c\/li\u003e\n  \u003cli\u003eActual color may vary slightly from images due to monitor display differences.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-10g-high-grade-silicon-grease-lubricant-o-lubrication-good-odorless-smoothness-for-o-rings-tube-silicone-grease-lubricant\"\u003e1PC 10g High Grade Silicone Grease Lubricant for O-Rings \u0026amp; Tubes\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-exhaust-duct-interface-pipe-hose-connector-for-ac-exhaust-pipe-extension-joint-does-not-require-clamp-ring-comes-with-thread\"\u003e1PC Exhaust Duct Interface Pipe Hose Connector\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-large-capacity-battery-storage-organizer-box-batteries-not-included-vintage-beer-crate-appearance-holds-30-aaa-batteries\"\u003e1PC Large Capacity Battery Storage Organizer Box\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What types of lithium batteries are compatible with this 12V solar charge controller?\u003c\/h4\u003e\n\u003cp\u003eA: This solar charge controller is designed to work with both ternary lithium batteries and iron lithium (LiFePO4) batteries in a 12V configuration. Its intelligent charging management ensures safe and precise charging for both battery chemistries.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I use this solar charge controller board for a 4G\/5G monitoring station?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! This controller is specifically suited for powering 4G\/5G monitoring and surveillance devices. Its stable regulated output and 12A capacity make it an excellent fit for remote monitoring power supplies running on small photovoltaic (solar) systems.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the maximum solar panel wattage this charge controller can handle?\u003c\/h4\u003e\n\u003cp\u003eA: This controller supports a maximum solar input of 120W at 12V, with a rated charging current of 12A. It is best suited for small to medium off-grid solar energy setups and outdoor photovoltaic projects.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What types of lithium batteries are compatible with this 12V solar charge controller?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This solar charge controller is designed to work with both ternary lithium batteries and iron lithium (LiFePO4) batteries in a 12V configuration. Its intelligent charging management ensures safe and precise charging for both battery chemistries.\"}}, {\"@type\": \"Question\", \"name\": \"Can I use this solar charge controller board for a 4G\/5G monitoring station?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! This controller is specifically suited for powering 4G\/5G monitoring and surveillance devices. Its stable regulated output and 12A capacity make it an excellent fit for remote monitoring power supplies running on small photovoltaic (solar) systems.\"}}, {\"@type\": \"Question\", \"name\": \"What is the maximum solar panel wattage this charge controller can handle?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This controller supports a maximum solar input of 120W at 12V, with a rated charging current of 12A. It is best suited for small to medium off-grid solar energy setups and outdoor photovoltaic projects.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"12V 12A Solar Charge Controller – Lithium Battery Charging Board\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/products\/12v-12a-solar-charge-controller-lithium-battery-charging-board\"}]}\u003c\/script\u003e","brand":"Nixie","offers":[{"title":"B","offer_id":67917121126681,"sku":"1005012974333761-B","price":14.18,"currency_code":"USD","in_stock":true},{"title":"A","offer_id":67917121159449,"sku":"1005012974333761-A","price":14.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/S0d00ffd860984e9c876c6a031b808ab5s.webp?v=1792896165"},{"product_id":"mppt-solar-charger-board-dc5-18v-2-5a-for-18650-battery","title":"MPPT Solar Charger Board DC5-18V 2.5A for 18650 Battery","description":"\n\u003ch2\u003eMPPT Solar Charger Control Board — DC5–18V, 2.5A, Type-C \u0026amp; USB Output\u003c\/h2\u003e\n\u003cp\u003ePower your DIY projects and off-grid setups with this compact \u003cstrong\u003eMPPT Solar Charging Management Module\u003c\/strong\u003e. Designed for 3.7V 18650 ternary lithium batteries, this versatile PCB board accepts input from a 5–18V solar panel, DC 5.5×2.1mm port, or Type-C connector — giving you the flexibility to charge from virtually any available power source. A stable 5V\/2.1A USB output keeps your smartphones, tablets, and portable electronics topped up wherever you are.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible Multi-Input Support:\u003c\/strong\u003e Compatible with 5–18V \/ 10–30W solar panels, DC 5.5×2.1mm, and Type-C inputs (one port at a time). Easily adapt to the most convenient power source for any scenario.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReliable Circuit Protection:\u003c\/strong\u003e Built-in anti-reverse connection and anti-backflow components plus insulated plastic protection on all interfaces — minimises risk of short circuits or component damage from incorrect wiring, extending module lifespan.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStable 5V \/ 2.1A USB Output:\u003c\/strong\u003e High-precision voltage-stabilising capacitors deliver consistent power output suitable for fast-charging most smartphones and portable digital devices.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4-Segment LED Battery Indicator:\u003c\/strong\u003e Clear, real-time battery level display with a light-transmitting plastic cover so you can monitor remaining charge at a glance — no extra tools needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Durable Build:\u003c\/strong\u003e Rigid PCB with scratch-resistant plastic edge protection. Measuring just 70 × 34 mm and lightweight, it fits neatly into small DIY power banks, outdoor solar systems, and portable power projects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSolar Battery Charging Controller Module\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 5–18V (Solar Panel 10–30W)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Current (Max)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.5A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUSB Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 5V \/ 2.1A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Battery\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.7V 18650 Ternary Lithium Battery\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Ports\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSolar Terminal, DC 5.5×2.1mm, Type-C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e70 mm × 34 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFlame-retardant plastic, PCB, electronic components\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColour\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGreen main board, blue terminal blocks, silver\/black interfaces\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 piece\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDIY portable power bank assembly\u003c\/li\u003e\n  \u003cli\u003eSmall off-grid and outdoor solar power systems\u003c\/li\u003e\n  \u003cli\u003e3.7V 18650 lithium battery charging projects\u003c\/li\u003e\n  \u003cli\u003eMaker and electronics hobbyist builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePhotos are for illustrative purposes; please refer to the specifications above for exact dimensions.\u003c\/li\u003e\n  \u003cli\u003eMinor measurement differences may occur due to manual measurement.\u003c\/li\u003e\n  \u003cli\u003eActual colours may vary slightly depending on your monitor settings.\u003c\/li\u003e\n  \u003cli\u003eOnly one input port should be connected at a time.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-10g-high-grade-silicon-grease-lubricant-o-lubrication-good-odorless-smoothness-for-o-rings-tube-silicone-grease-lubricant\"\u003e1PC 10g High Grade Silicon Grease Lubricant for O-Rings \u0026amp; Components\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-large-capacity-battery-storage-organizer-box-batteries-not-included-vintage-beer-crate-appearance-holds-30-aaa-batteries\"\u003e1PC Large Capacity Battery Storage Organizer Box — Holds 30 AAA Batteries\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-mobile-data-cable-storage-box-portable-winding-earphone-charger-storage-box-with-lid-drawer-organizer-box\"\u003e1PC Mobile Data Cable \u0026amp; Charger Storage Box with Lid\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What battery type is this MPPT solar charger module compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This solar charger control board is specifically designed for \u003cstrong\u003e3.7V 18650 ternary lithium batteries\u003c\/strong\u003e. It manages the full charge cycle — including MPPT optimisation from the solar panel — to keep your 18650 cells charged safely and efficiently.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I connect the solar panel and Type-C input at the same time?\u003c\/h4\u003e\n\u003cp\u003eA: No — only one input port should be connected at any given time. You may choose between the solar panel terminal, the DC 5.5×2.1mm port, or the Type-C port based on the power source available to you, but simultaneous multi-input connection is not supported.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What can I power with the 5V USB output on this module?\u003c\/h4\u003e\n\u003cp\u003eA: The USB output provides a stable \u003cstrong\u003e5V \/ 2.1A\u003c\/strong\u003e supply, which is suitable for charging most smartphones, portable Bluetooth speakers, small fans, and other USB-powered devices commonly used in off-grid or outdoor setups.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the maximum solar panel wattage I can use with this board?\u003c\/h4\u003e\n\u003cp\u003eA: The module supports solar panels rated between \u003cstrong\u003e10W and 30W\u003c\/strong\u003e with an input voltage range of \u003cstrong\u003e5V to 18V\u003c\/strong\u003e and a maximum input current of 2.5A. Using a panel within these parameters will ensure optimal performance and protect the module's circuitry.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What battery type is this MPPT solar charger module compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This solar charger control board is specifically designed for 3.7V 18650 ternary lithium batteries. It manages the full charge cycle — including MPPT optimisation from the solar panel — to keep your 18650 cells charged safely and efficiently.\"}}, {\"@type\": \"Question\", \"name\": \"Can I connect the solar panel and Type-C input at the same time?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No — only one input port should be connected at any given time. You may choose between the solar panel terminal, the DC 5.5×2.1mm port, or the Type-C port based on the power source available to you, but simultaneous multi-input connection is not supported.\"}}, {\"@type\": \"Question\", \"name\": \"What can I power with the 5V USB output on this module?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The USB output provides a stable 5V \/ 2.1A supply, which is suitable for charging most smartphones, portable Bluetooth speakers, small fans, and other USB-powered devices commonly used in off-grid or outdoor setups.\"}}, {\"@type\": \"Question\", \"name\": \"What is the maximum solar panel wattage I can use with this board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The module supports solar panels rated between 10W and 30W with an input voltage range of 5V to 18V and a maximum input current of 2.5A. Using a panel within these parameters will ensure optimal performance and protect the module's circuitry.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"MPPT Solar Charger Board DC5-18V 2.5A for 18650 Battery\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/products\/mppt-solar-charger-control-board-dc5-18v-18650-lithium-battery\"}]}\u003c\/script\u003e","brand":"Nixie","offers":[{"title":"Default Title","offer_id":67917196558617,"sku":"1005012974415377-Default Title","price":13.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/S0cd380e7c07945a08e983998be8c0877z.webp?v=1792896784"},{"product_id":"500ml-lead-acid-battery-restore-fluid-boost-battery-life","title":"500ml Lead-Acid Battery Restore Fluid | Boost Battery Life","description":"\n\u003ch2\u003e500ml Lead-Acid Battery Restore \u0026amp; Boosting Fluid\u003c\/h2\u003e\n\u003cp\u003eBring your old or underperforming lead-acid battery back to life with this \u003cstrong\u003e500ml Battery Restore Fluid\u003c\/strong\u003e. Formulated with ultra-pure distilled water, a concentrated repair essence, and a proprietary repair factor, this electrolyte additive works to decompose sulfate buildup on battery plates, reduce internal heat, and extend the usable lifespan of both new and existing lead-acid batteries.\u003c\/p\u003e\n\n\u003cp\u003eWhether you use it for your car, golf cart, motorcycle, boat, or ATV, this easy-to-use solution helps maintain peak battery performance without the need for costly replacements.\u003c\/p\u003e\n\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRevives Battery Performance:\u003c\/strong\u003e Decomposes sulfates that form on battery plates and insulators, restoring charge capacity and boosting overall efficiency.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReduces Internal Heat:\u003c\/strong\u003e Helps lower internal temperature build-up, protecting battery integrity during regular use and charging cycles.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProtects New \u0026amp; Old Batteries:\u003c\/strong\u003e Prevents damage from overcharging and helps preserve battery health, making it ideal for routine maintenance on all lead-acid batteries.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSafe \u0026amp; Easy to Use:\u003c\/strong\u003e Simply add it as an electrolyte additive — no special tools or expertise required. CE certified for your peace of mind.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Suitable for lead-acid batteries used in cars, motorcycles, golf carts, boats, and ATVs. \u003cem\u003eNot suitable for lithium batteries or batteries with visible bulging\/deformed plates.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVolume:\u003c\/strong\u003e 500ml\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIngredients:\u003c\/strong\u003e Ultra-pure distilled water + repair factor + concentrated repair essence\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCertification:\u003c\/strong\u003e CE\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible With:\u003c\/strong\u003e Lead-acid batteries (cars, motorcycles, golf carts, boats, ATVs)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow to Use\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003eUse the provided screwdriver to carefully pry open the battery sealing plate.\u003c\/li\u003e\n  \u003cli\u003eRemove the 6 rubber caps and inject the repair fluid into each cell hole using a syringe.\u003c\/li\u003e\n  \u003cli\u003eFill to the indicator bar if present, or to approximately half capacity \/ 3 cm below the hole opening — do \u003cstrong\u003enot\u003c\/strong\u003e overfill.\u003c\/li\u003e\n  \u003cli\u003eAllow 2 hours for the electrolyte to fully mix, then fully charge the battery.\u003c\/li\u003e\n  \u003cli\u003eOnce charged, replace the rubber caps and seal the cover with the included adhesive.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDo NOT use\u003c\/strong\u003e on batteries with a visibly bulged or deformed casing.\u003c\/li\u003e\n  \u003cli\u003eIf battery voltage is below 11V (indicating broken plates), replace the battery instead.\u003c\/li\u003e\n  \u003cli\u003eIf voltage difference between battery cells exceeds 0.5V, replace the lowest-performing cell.\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eNot compatible with lithium batteries.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× 500ml Battery Restore Fluid\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-10g-high-grade-silicon-grease-lubricant-o-lubrication-good-odorless-smoothness-for-o-rings-tube-silicone-grease-lubricant\"\u003e1PC 10g High Grade Silicon Grease Lubricant for O-Rings \u0026amp; Tubes\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-400cm-sealing-tape-faucet-sealing-tape-oil-free-leak-proof-water-pipe-gas-pipeline-sealing-tape\"\u003e1PC 400cm Oil-Free Sealing Tape for Pipes \u0026amp; Faucets\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/3pcs-silicone-sealant-scraper-set-multi-functional-caulking-nozzle-tools-for-tile-floor-joints-grout-finishing-and-renovation\"\u003e3PCS Silicone Sealant Scraper Set – Multi-Functional Caulking Tools\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.fueleconomy.gov\/feg\/drive.shtml\" target=\"_blank\" rel=\"noopener\"\u003eFuelEconomy.gov driving efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What types of batteries is the Battery Restore Fluid compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This battery restore fluid is designed specifically for \u003cstrong\u003elead-acid batteries\u003c\/strong\u003e, including those used in cars, motorcycles, golf carts, boats, and ATVs. It is \u003cstrong\u003enot compatible with lithium batteries\u003c\/strong\u003e or any battery that shows visible bulging or plate damage.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How long does it take for the Battery Restore Fluid to work?\u003c\/h4\u003e\n\u003cp\u003eA: After injecting the fluid into the battery cells, allow approximately \u003cstrong\u003e2 hours\u003c\/strong\u003e for the electrolyte to mix thoroughly. Then fully charge the battery. Results may vary depending on the current condition of your battery.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this product safe to use on a new battery?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The Battery Restore Fluid is safe and effective for use on \u003cstrong\u003eboth new and older lead-acid batteries\u003c\/strong\u003e. On new batteries, it acts as a protective agent, helping prevent sulfate buildup and overcharge damage, thereby extending the battery's overall service life.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How much fluid should I add to each battery cell?\u003c\/h4\u003e\n\u003cp\u003eA: For batteries with an indicator bar, fill up to that bar. For batteries without one, add approximately \u003cstrong\u003ehalf the cell capacity\u003c\/strong\u003e or leave at least 3 cm of clearance below the opening. Always err on the side of adding less — do not overfill the cells.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What types of batteries is the Battery Restore Fluid compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This battery restore fluid is designed specifically for lead-acid batteries, including those used in cars, motorcycles, golf carts, boats, and ATVs. It is not compatible with lithium batteries or any battery that shows visible bulging or plate damage.\"}}, {\"@type\": \"Question\", \"name\": \"How long does it take for the Battery Restore Fluid to work?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"After injecting the fluid into the battery cells, allow approximately 2 hours for the electrolyte to mix thoroughly. Then fully charge the battery. Results may vary depending on the current condition of your battery.\"}}, {\"@type\": \"Question\", \"name\": \"Is this product safe to use on a new battery?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! The Battery Restore Fluid is safe and effective for use on both new and older lead-acid batteries. On new batteries, it acts as a protective agent, helping prevent sulfate buildup and overcharge damage, thereby extending the battery's overall service life.\"}}, {\"@type\": \"Question\", \"name\": \"How much fluid should I add to each battery cell?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"For batteries with an indicator bar, fill up to that bar. For batteries without one, add approximately half the cell capacity or leave at least 3 cm of clearance below the opening. Always err on the side of adding less — do not overfill the cells.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"500ml Lead-Acid Battery Restore Fluid | Boost Battery Life\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/products\/500ml-lead-acid-battery-restore-fluid-boost-extend-battery-life\"}]}\u003c\/script\u003e","brand":"Nixie","offers":[{"title":"Default Title","offer_id":67917588005145,"sku":"1005011872405166-Default Title","price":35.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/S29ee5b141e63444ea4387100b03ab3d7A.webp?v=1792898873"},{"product_id":"8s-1-2a-active-inductive-battery-equalizer-balancer-pcb-lithium","title":"8S 1.2A Active Inductive Battery Equalizer Balancer PCB Lithium","description":"\n\u003ch2\u003e8S 1.2A Active Inductive Battery Equalizer — High-Efficiency Lithium Cell Balancer\u003c\/h2\u003e\n\u003cp\u003eKeep your 8-cell lithium battery pack performing at its best with this \u003cstrong\u003e8S 1.2A Active Inductive Battery Equalizer\u003c\/strong\u003e. Using advanced inductive energy-transfer technology, this PCB balancer continuously monitors and redistributes charge between adjacent cells — extending overall pack lifespan, maintaining consistent cell voltages, and reducing long-term battery maintenance costs. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Efficiency Inductive Balancing:\u003c\/strong\u003e Transfers energy inductively between adjacent cells rather than dissipating it as heat, delivering up to 1.2A equalization current for fast, efficient balancing.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSmart Trigger Thresholds:\u003c\/strong\u003e Automatically activates when the voltage difference between adjacent cells exceeds 0.1V (delivering ~0.5–0.7A); ramps up to the full 1.2A when the difference exceeds 0.2V; stops when the difference drops below 0.03V — no manual intervention needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Low Standby Consumption:\u003c\/strong\u003e Static power draw does not exceed 20 microamperes when in sleep mode, ensuring negligible drain on your pack during storage or idle periods.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Working Voltage Range:\u003c\/strong\u003e Compatible with ternary and iron-phosphate lithium cells in the 2.0V–4.5V per-cell range. \u003cem\u003eNote: Not compatible with LTO (Lithium Titanate) batteries.\u003c\/em\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-In Status Indicator LED:\u003c\/strong\u003e\n    \u003cul\u003e\n      \u003cli\u003eLED \u003cstrong\u003eON\u003c\/strong\u003e — equalization is actively running\u003c\/li\u003e\n      \u003cli\u003eLED \u003cstrong\u003eOFF\u003c\/strong\u003e — circuit is in sleep mode\u003c\/li\u003e\n      \u003cli\u003eLED \u003cstrong\u003eFLASHING\u003c\/strong\u003e — a weak\/drop cell or circuit fault has been detected\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePure Copper Wiring:\u003c\/strong\u003e Comes with a 22AWG pure copper harness (30 cm \/ 11.81 in) for reliable, low-resistance connections.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMust Be Used with a BMS:\u003c\/strong\u003e Due to the adjacent-cell equalization principle, this board must be connected alongside a lithium battery protection circuit (BMS) — it is not a standalone maintenance or diagnostic tool.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.2A Inductive Balancer (8S)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWorking Voltage (per cell)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.0V – 4.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Equalization Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.2A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTrigger Voltage Difference\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; 0.1V (start) \/ \u0026lt; 0.03V (stop)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStatic Power Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 20 µA\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Battery Types\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTernary Lithium, LiFePO4 (Iron Lithium) — NOT LTO\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePCB Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard PCB\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWire Harness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e22AWG Pure Copper, 30 cm (11.81 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWiring Reference\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eB−\u003c\/strong\u003e — Total negative pole of the battery pack (negative of Cell 1)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eB1\u003c\/strong\u003e — Positive pole of Cell 1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eB2\u003c\/strong\u003e — Positive pole of Cell 2\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eB3\u003c\/strong\u003e — Positive pole of Cell 3\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eB4\u003c\/strong\u003e — Positive pole of Cell 4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eB5\u003c\/strong\u003e — Positive pole of Cell 5\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eB6\u003c\/strong\u003e — Positive pole of Cell 6\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eB7\u003c\/strong\u003e — Positive pole of Cell 7\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eB8\u003c\/strong\u003e — Positive pole of Cell 8\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 8S 1.2A Inductive Balancer PCB\u003c\/li\u003e\n  \u003cli\u003e1 × Wiring Harness (22AWG, 30 cm)\u003c\/li\u003e\n  \u003cli\u003e\u003cem\u003eBatteries NOT included.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-10g-high-grade-silicon-grease-lubricant-o-lubrication-good-odorless-smoothness-for-o-rings-tube-silicone-grease-lubricant\"\u003e1PC 10g High Grade Silicon Grease Lubricant for O-Rings \u0026amp; Connectors\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-large-capacity-battery-storage-organizer-box-batteries-not-included-vintage-beer-crate-appearance-holds-30-aaa-batteries\"\u003e1PC Large Capacity Battery Storage Organizer Box\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-mobile-data-cable-storage-box-portable-winding-earphone-charger-storage-box-with-lid-drawer-organizer-box\"\u003e1PC Mobile Data Cable \u0026amp; Charger Storage Box\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What battery types is this 8S 1.2A active equalizer compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This inductive battery balancer is compatible with ternary lithium and iron-phosphate (LiFePO4) lithium cells operating between 2.0V and 4.5V per cell. It is \u003cstrong\u003enot\u003c\/strong\u003e compatible with LTO (Lithium Titanate) batteries due to their different voltage characteristics.\u003c\/p\u003e\n\u003ch4\u003eQ: Does this balancer work as a standalone Battery Management System (BMS)?\u003c\/h4\u003e\n\u003cp\u003eA: No. Because it uses an adjacent-cell equalization method, this PCB board must always be used \u003cstrong\u003etogether with a separate lithium battery protection circuit (BMS)\u003c\/strong\u003e. It handles voltage equalization only and does not provide overcharge, overdischarge, or short-circuit protection on its own.\u003c\/p\u003e\n\u003ch4\u003eQ: What does the flashing LED indicator mean on the battery equalizer?\u003c\/h4\u003e\n\u003cp\u003eA: A flashing LED signals that one or more cells may be weak or have dropped significantly in voltage, or that there is a circuit fault. A steady-on LED means equalization is actively running, while a completely off LED means the circuit is in low-power sleep mode (voltage differences are within the 0.03V threshold).\u003c\/p\u003e\n\u003ch4\u003eQ: What is the maximum equalization current this board can deliver?\u003c\/h4\u003e\n\u003cp\u003eA: The board delivers approximately 0.5–0.7A when the voltage difference between adjacent cells is above 0.1V, and scales up to a maximum of \u003cstrong\u003e1.2A\u003c\/strong\u003e when the voltage difference exceeds 0.2V. The equalization current automatically scales down as the cells approach balance.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What battery types is this 8S 1.2A active equalizer compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This inductive battery balancer is compatible with ternary lithium and iron-phosphate (LiFePO4) lithium cells operating between 2.0V and 4.5V per cell. It is not compatible with LTO (Lithium Titanate) batteries due to their different voltage characteristics.\"}}, {\"@type\": \"Question\", \"name\": \"Does this balancer work as a standalone Battery Management System (BMS)?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. Because it uses an adjacent-cell equalization method, this PCB board must always be used together with a separate lithium battery protection circuit (BMS). It handles voltage equalization only and does not provide overcharge, overdischarge, or short-circuit protection on its own.\"}}, {\"@type\": \"Question\", \"name\": \"What does the flashing LED indicator mean on the battery equalizer?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A flashing LED signals that one or more cells may be weak or have dropped significantly in voltage, or that there is a circuit fault. A steady-on LED means equalization is actively running, while a completely off LED means the circuit is in low-power sleep mode (voltage differences are within the 0.03V threshold).\"}}, {\"@type\": \"Question\", \"name\": \"What is the maximum equalization current this board can deliver?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The board delivers approximately 0.5–0.7A when the voltage difference between adjacent cells is above 0.1V, and scales up to a maximum of 1.2A when the voltage difference exceeds 0.2V. The equalization current automatically scales down as the cells approach balance.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"8S 1.2A Active Inductive Battery Equalizer Balancer PCB Lithium\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/products\/8s-1-2a-active-inductive-battery-equalizer-balancer-pcb-lithium\"}]}\u003c\/script\u003e","brand":"Nixie","offers":[{"title":"Gold","offer_id":67918003962137,"sku":"1005010155618052-Gold","price":60.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/Sebd07cf41077430ca917d54ce7fb36fc1.webp?v=1792900908"},{"product_id":"20-cell-18650-battery-case-kit-makita-style-abs-diy-set","title":"20-Cell 18650 Battery Case Kit – Makita Style ABS DIY Set","description":"\n\u003ch2\u003e20-Cell 18650 Lithium Battery Case Kit – Makita Style\u003c\/h2\u003e\n\u003cp\u003eBuild your own power tool battery pack with this complete \u003cstrong\u003e20-cell 18650 lithium battery case kit\u003c\/strong\u003e. Designed in the popular Makita style, this DIY battery case provides a sturdy, reliable housing for your 18650 cells — perfect for hobbyists, DIY enthusiasts, and anyone looking to assemble or rebuild a custom battery pack for cordless power tools.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMakita-Style Form Factor:\u003c\/strong\u003e Compatible with Makita-style battery mounts, making it easy to integrate into existing tool setups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e20-Cell Capacity:\u003c\/strong\u003e Holds up to 20 individual 18650 lithium battery cells for high-capacity power storage.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable ABS Plastic + Metal Construction:\u003c\/strong\u003e Built from tough ABS plastic and metal components for long-lasting performance and structural integrity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete DIY Kit:\u003c\/strong\u003e Everything you need in one set — ideal for battery pack assembly projects.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Design:\u003c\/strong\u003e Approximately 11 cm (4.33 in) in size, keeping your battery pack neat and manageable.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Sleek Black finish for a professional look.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e ABS Plastic + Metal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCell Compatibility:\u003c\/strong\u003e 18650 Lithium Battery Cells (cells not included)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCell Count:\u003c\/strong\u003e 20 cells\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e Approx. 11 cm (4.33 in)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStyle:\u003c\/strong\u003e Makita Compatible\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Includes:\u003c\/strong\u003e 1 × Complete Battery Case Set\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cp\u003eYou'll receive \u003cstrong\u003e1 complete battery case set\u003c\/strong\u003e with all the components needed to assemble a 20-cell 18650 battery pack in a Makita-style housing.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eNote: 18650 battery cells are NOT included. Please measure carefully — refer to the specifications above for size details. Minor color variation may occur due to monitor differences.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-large-capacity-battery-storage-organizer-box-batteries-not-included-vintage-beer-crate-appearance-holds-30-aaa-batteries\"\u003e1PC Large Capacity Battery Storage Organizer Box – Holds 30 AAA Batteries\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-mobile-data-cable-storage-box-portable-winding-earphone-charger-storage-box-with-lid-drawer-organizer-box\"\u003e1PC Mobile Data Cable Storage Box – Portable Charger \u0026amp; Earphone Organizer\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/3pcs-silicone-sealant-scraper-set-multi-functional-caulking-nozzle-tools-for-tile-floor-joints-grout-finishing-and-renovation\"\u003e3PCS Silicone Sealant Scraper Set – Multi-Functional DIY Tools\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Are 18650 battery cells included with this 20-cell battery case kit?\u003c\/h4\u003e\n\u003cp\u003eA: No, the 18650 lithium battery cells are not included. This kit contains only the battery case housing and associated hardware. You will need to source 20 compatible 18650 lithium cells separately to complete your battery pack.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this 18650 battery case compatible with actual Makita power tools?\u003c\/h4\u003e\n\u003cp\u003eA: This case is designed in a Makita-style form factor, meaning it mimics the shape and mount interface of Makita-style battery packs. Compatibility with specific Makita tools will depend on the exact model. We recommend verifying the dimensions and connector type match your tool before purchasing.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What materials is this battery case made from?\u003c\/h4\u003e\n\u003cp\u003eA: The battery case is constructed from durable ABS plastic and metal components, providing a robust shell that protects your 18650 cells and maintains structural integrity during use.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Are 18650 battery cells included with this 20-cell battery case kit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No, the 18650 lithium battery cells are not included. This kit contains only the battery case housing and associated hardware. You will need to source 20 compatible 18650 lithium cells separately to complete your battery pack.\"}}, {\"@type\": \"Question\", \"name\": \"Is this 18650 battery case compatible with actual Makita power tools?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This case is designed in a Makita-style form factor, meaning it mimics the shape and mount interface of Makita-style battery packs. Compatibility with specific Makita tools will depend on the exact model. We recommend verifying the dimensions and connector type match your tool before purchasing.\"}}, {\"@type\": \"Question\", \"name\": \"What materials is this battery case made from?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The battery case is constructed from durable ABS plastic and metal components, providing a robust shell that protects your 18650 cells and maintains structural integrity during use.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"20-Cell 18650 Battery Case Kit – Makita Style ABS DIY Set\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/products\/20-cell-18650-lithium-battery-case-kit-makita-style-abs\"}]}\u003c\/script\u003e","brand":"Nixie","offers":[{"title":"black","offer_id":67918053638425,"sku":"1005010365485412-black","price":44.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/S680d5bce4db5441897b5edd7907f2091N.webp?v=1792901292"},{"product_id":"aneng-6-18650-ups-battery-box-60w-5v-9v-12v-router-backup","title":"ANENG 6×18650 UPS Battery Box 60W – 5V\/9V\/12V Router Backup","description":"\n\u003ch2\u003eANENG 6×18650 UPS Battery Box – Uninterruptible Power Supply for Routers \u0026amp; Modems\u003c\/h2\u003e\n\u003cp\u003eKeep your home network running smoothly even during power outages with the ANENG 6×18650 UPS Battery Box. This solderless, user-friendly enclosure supports six 18650 lithium cells and delivers stable multi-voltage output (5V, 9V, and 12V) — making it ideal for optical modems, routers, surveillance cameras, LED lights, audio equipment, and more. With a peak output of 60W and built-in DC equalisation UPS circuitry, charge and discharge management happens automatically — no manual intervention required.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSolderless Design:\u003c\/strong\u003e Easily disassemble and replace batteries without any soldering tools — perfect for DIY enthusiasts and home users alike.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomatic UPS Functionality:\u003c\/strong\u003e Built-in DC equalisation UPS circuitry manages charging and discharging automatically, providing seamless backup power.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Voltage Output:\u003c\/strong\u003e Independent outputs of 12V 3–5A, 9V 1A, and USB 5V 2–3A to power a wide range of devices simultaneously.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Power Capacity:\u003c\/strong\u003e Supports up to 60W peak output (12V 5A); total battery capacity of 74Wh when using six 3400mAh 18650 cells.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComprehensive Protection:\u003c\/strong\u003e Overcharge protection at 4.25V×3, low voltage protection at 2.75V×3, and overcurrent detection for safe, long-lasting operation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Temperature Range:\u003c\/strong\u003e Operates reliably from -20°C to 60°C for versatile indoor and outdoor applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6 × 3.7V × 3400mAh = 74Wh (batteries not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Output Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e60W (12V 5A)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Voltages\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12V 3–5A | 9V 1A | USB 5V 2–3A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Batteries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.7V cylindrical flat-top 18650 cells (power-grade recommended)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCharger Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInternal current-limiting circuitry; compatible with 12–13V adapters\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDC Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 5.5×2.1mm (positive inner, negative outer)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOvercharge Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.25V × 3\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLow Voltage Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.75V × 3\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-20°C to 60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eANENG\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eThe spring terminal connects to the \u003cstrong\u003enegative\u003c\/strong\u003e terminal and the copper tab to the \u003cstrong\u003epositive\u003c\/strong\u003e terminal. Reversing polarity will cause damage — always double-check orientation before inserting batteries.\u003c\/li\u003e\n  \u003cli\u003eUse high-quality, matched batteries. All six cells must have as consistent capacity and internal resistance as possible for safe and optimal performance.\u003c\/li\u003e\n  \u003cli\u003eThis enclosure is compatible with \u003cstrong\u003eflat-top 18650 batteries only\u003c\/strong\u003e. Pointed-top cells exceeding 2mm in additional length cannot be used.\u003c\/li\u003e\n  \u003cli\u003eThis product is unregulated — battery voltage fluctuates with charge level. It is suitable for devices that do not require strict voltage regulation (e.g. motors, LED lights, audio gear, printers, solenoid valves).\u003c\/li\u003e\n  \u003cli\u003eInput adapter power must be ≥ total load power + 6W (battery charging overhead) to enable stable UPS operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Solderless 6×18650 battery case (batteries not included)\u003c\/li\u003e\n  \u003cli\u003e1 × 0.3m cable\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cp\u003eLooking for more power and energy solutions? Check out \u003ca href=\"\/products\/ancient-nutrition-multi-collagen-advanced-muscle-60-capsules\"\u003eAncient Nutrition Multi Collagen Advanced Muscle 60 Capsules\u003c\/a\u003e for wellness support, or explore our range of outdoor and sport accessories like the \u003ca href=\"\/products\/bu-sinking-minnow-lure-29mm-2-8g-bass-pike-trout-wobbler\"\u003eB\u0026amp;U Sinking Minnow Lure\u003c\/a\u003e for your next adventure.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Do the 18650 batteries come included with the UPS battery box?\u003c\/h4\u003e\n\u003cp\u003eA: No, the ANENG 6×18650 UPS Battery Box does not include batteries. You will need to purchase six 3.7V flat-top 18650 lithium cells separately. Power-grade batteries with consistent capacity and internal resistance are strongly recommended for best performance and safety.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I use this UPS battery box with my home router and optical modem at the same time?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The battery box features independent multi-voltage outputs — 12V (3–5A), 9V (1A), and USB 5V (2–3A) — allowing you to power multiple devices simultaneously, including routers, optical modems, and even small surveillance cameras, up to a combined 60W peak.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What type of charger or adapter do I need to charge this battery box?\u003c\/h4\u003e\n\u003cp\u003eA: The unit charges via a 12–13V DC adapter (DC 5.5×2.1mm connector, positive inner\/negative outer). The adapter's power output must equal or exceed the total connected load power plus 6W for battery charging. A higher-wattage adapter improves stability during UPS operation.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this battery box regulated — will the output voltage stay steady?\u003c\/h4\u003e\n\u003cp\u003eA: This is an unregulated design, meaning the output voltage will vary slightly as the batteries discharge. It is best suited for devices that are tolerant of minor voltage fluctuation, such as LED lights, motors, audio equipment, printers, and solenoid valves. For devices requiring strict voltage regulation, a regulated power supply would be more appropriate.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Do the 18650 batteries come included with the UPS battery box?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No, the ANENG 6×18650 UPS Battery Box does not include batteries. You will need to purchase six 3.7V flat-top 18650 lithium cells separately. Power-grade batteries with consistent capacity and internal resistance are strongly recommended for best performance and safety.\"}}, {\"@type\": \"Question\", \"name\": \"Can I use this UPS battery box with my home router and optical modem at the same time?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! The battery box features independent multi-voltage outputs — 12V (3–5A), 9V (1A), and USB 5V (2–3A) — allowing you to power multiple devices simultaneously, including routers, optical modems, and even small surveillance cameras, up to a combined 60W peak.\"}}, {\"@type\": \"Question\", \"name\": \"What type of charger or adapter do I need to charge this battery box?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The unit charges via a 12–13V DC adapter (DC 5.5×2.1mm connector, positive inner\/negative outer). The adapter's power output must equal or exceed the total connected load power plus 6W for battery charging. A higher-wattage adapter improves stability during UPS operation.\"}}, {\"@type\": \"Question\", \"name\": \"Is this battery box regulated — will the output voltage stay steady?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This is an unregulated design, meaning the output voltage will vary slightly as the batteries discharge. It is best suited for devices that are tolerant of minor voltage fluctuation, such as LED lights, motors, audio equipment, printers, and solenoid valves. For devices requiring strict voltage regulation, a regulated power supply would be more appropriate.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"ANENG 6×18650 UPS Battery Box 60W – 5V\/9V\/12V Router Backup\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/products\/aneng-6x18650-ups-battery-box-60w-5v-9v-12v-router-modem\"}]}\u003c\/script\u003e","brand":"P3","offers":[{"title":"WHITE","offer_id":67925636645145,"sku":"1005010471003817-WHITE","price":50.97,"currency_code":"USD","in_stock":true},{"title":"black","offer_id":67925636677913,"sku":"1005010471003817-black","price":52.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/S750b98d3eaad41eabd6947378b9c42e0j.webp?v=1792920938"},{"product_id":"10s-36v-13s-48v-li-ion-bms-battery-protection-board","title":"10S 36V \/ 13S 48V Li-Ion BMS Battery Protection Board","description":"\n\u003ch2\u003ediymore 10S 36V 15A \/ 13S 48V 35A Lithium Battery Protection Board with Cell Balancing\u003c\/h2\u003e\n\u003cp\u003eKeep your lithium-ion battery packs running safely and efficiently with this high-quality \u003cstrong\u003eBMS (Battery Management System) protection board\u003c\/strong\u003e from \u003cstrong\u003ediymore\u003c\/strong\u003e. Available in two configurations — \u003cstrong\u003e10S 36V 15A\u003c\/strong\u003e and \u003cstrong\u003e13S 48V 35A\u003c\/strong\u003e — this integrated circuit board delivers comprehensive cell balancing and multi-layer protection for Li-Ion battery packs used in e-bikes, power tools, DIY energy storage, and more.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Protection Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCell Balancing:\u003c\/strong\u003e Automatically equalizes cell voltages to maximize pack capacity and extend battery lifespan.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCharging Protection:\u003c\/strong\u003e Prevents overcharging that can degrade or damage cells.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOver-Discharge Protection:\u003c\/strong\u003e Cuts off output before cells drop below safe voltage thresholds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOvercurrent Protection:\u003c\/strong\u003e Monitors current draw and disconnects under excessive load conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShort Circuit Protection:\u003c\/strong\u003e Instantly shuts down output upon detecting a short circuit event.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperature Protection:\u003c\/strong\u003e Monitors operating temperature and protects cells from thermal stress.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eParameter\u003c\/th\u003e\n      \u003cth\u003e10S Version\u003c\/th\u003e\n      \u003cth\u003e13S Version\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCell Configuration\u003c\/td\u003e\n      \u003ctd\u003e10S (Series)\u003c\/td\u003e\n      \u003ctd\u003e13S (Series)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eNominal Voltage\u003c\/td\u003e\n      \u003ctd\u003e36V\u003c\/td\u003e\n      \u003ctd\u003e48V\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eContinuous Discharge Current\u003c\/td\u003e\n      \u003ctd\u003e15A\u003c\/td\u003e\n      \u003ctd\u003e35A\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMax Charging Current\u003c\/td\u003e\n      \u003ctd\u003e≤8A\u003c\/td\u003e\n      \u003ctd\u003e≤8A\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eBoard Size\u003c\/td\u003e\n      \u003ctd\u003e63 × 32 × 10 mm\u003c\/td\u003e\n      \u003ctd\u003e69 × 51 × 8 mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCable Length\u003c\/td\u003e\n      \u003ctd\u003e—\u003c\/td\u003e\n      \u003ctd\u003e300 mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eIC Package\u003c\/td\u003e\n      \u003ctd\u003eTQFP\u003c\/td\u003e\n      \u003ctd\u003eTQFP\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eBattery Type\u003c\/td\u003e\n      \u003ctd\u003eLi-Ion\u003c\/td\u003e\n      \u003ctd\u003eLi-Ion\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003ePower Consumption\u003c\/td\u003e\n      \u003ctd colspan=\"2\"\u003eLow\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 13S 48V 35A \/ 10S 36V 15A Lithium Battery Protection Board\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho Is This For?\u003c\/h3\u003e\n\u003cp\u003eThis BMS board is ideal for electronics hobbyists, makers, and engineers building or rebuilding lithium-ion battery packs for e-bikes, electric scooters, DIY power walls, portable power stations, and computer\/server UPS systems. The compact TQFP-packaged IC ensures a slim profile for tight enclosures.\u003c\/p\u003e\n\n\u003cp\u003eLooking for more electronics components and accessories? Check out these related products from our store:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/ancient-nutrition-multi-collagen-advanced-muscle-60-capsules\"\u003eAncient Nutrition Multi Collagen Advanced Muscle 60 Capsules\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/bu-29mm-sinking-minnow-jerkbait-fishing-lure-bass-trout-pike\"\u003eB\u0026amp;U 29mm Sinking Minnow Jerkbait Lure – Bass Trout Pike\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the difference between the 10S 36V and 13S 48V versions of this lithium battery protection board?\u003c\/h4\u003e\n\u003cp\u003eA: The 10S 36V version is designed for a 10-cell series Li-Ion battery pack with a nominal voltage of 36V and supports up to 15A continuous discharge current. The 13S 48V version is designed for a 13-cell series pack at 48V and handles up to 35A continuous discharge current, making it better suited for higher-power applications such as e-bikes or larger power tools.\u003c\/p\u003e\n\u003ch4\u003eQ: Does this BMS board support cell balancing, and how does it work?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, both versions include built-in active cell balancing. The integrated circuit monitors the voltage of each individual cell in the series pack and redistributes charge between cells to keep them equalized. This helps maximize the usable capacity of the battery pack and extends overall battery lifespan by preventing any single cell from being over- or under-charged.\u003c\/p\u003e\n\u003ch4\u003eQ: What battery cell types is this lithium battery protection board compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This protection board is designed specifically for Li-Ion (Lithium-Ion) cylindrical or prismatic cells. It is not intended for LiFePO4 (lithium iron phosphate) chemistry without modification, as voltage thresholds differ. Always verify that your cell chemistry and cell count match the selected board configuration before installation.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I use this board for an e-bike battery pack build?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The 13S 48V 35A version is a popular choice for 48V e-bike battery pack builds, offering sufficient continuous current for most hub motors and mid-drive motors. The 10S 36V 15A version suits smaller 36V e-bike systems. Ensure your motor's peak current draw does not consistently exceed the board's rated continuous discharge current.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the difference between the 10S 36V and 13S 48V versions of this lithium battery protection board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The 10S 36V version is designed for a 10-cell series Li-Ion battery pack with a nominal voltage of 36V and supports up to 15A continuous discharge current. The 13S 48V version is designed for a 13-cell series pack at 48V and handles up to 35A continuous discharge current, making it better suited for higher-power applications such as e-bikes or larger power tools.\"}}, {\"@type\": \"Question\", \"name\": \"Does this BMS board support cell balancing, and how does it work?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes, both versions include built-in active cell balancing. The integrated circuit monitors the voltage of each individual cell in the series pack and redistributes charge between cells to keep them equalized. This helps maximize the usable capacity of the battery pack and extends overall battery lifespan by preventing any single cell from being over- or under-charged.\"}}, {\"@type\": \"Question\", \"name\": \"What battery cell types is this lithium battery protection board compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This protection board is designed specifically for Li-Ion (Lithium-Ion) cylindrical or prismatic cells. It is not intended for LiFePO4 (lithium iron phosphate) chemistry without modification, as voltage thresholds differ. Always verify that your cell chemistry and cell count match the selected board configuration before installation.\"}}, {\"@type\": \"Question\", \"name\": \"Can I use this board for an e-bike battery pack build?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. The 13S 48V 35A version is a popular choice for 48V e-bike battery pack builds, offering sufficient continuous current for most hub motors and mid-drive motors. The 10S 36V 15A version suits smaller 36V e-bike systems. Ensure your motor's peak current draw does not consistently exceed the board's rated continuous discharge current.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"10S 36V \/ 13S 48V Li-Ion BMS Battery Protection Board\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/products\/10s-36v-13s-48v-lithium-battery-protection-board-bms-balancing\"}]}\u003c\/script\u003e","brand":"P3","offers":[{"title":"13S 35A 48V","offer_id":67925638545689,"sku":"1005005676452327-13S 35A 48V","price":56.72,"currency_code":"USD","in_stock":true},{"title":"10S 36V 15A","offer_id":67925638578457,"sku":"1005005676452327-10S 36V 15A","price":26.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/Sa3eb4b2cdcf740039e85d573178e06bfe.webp?v=1792920948"},{"product_id":"bms-3s-12v-40a-lithium-battery-protection-board-18650","title":"BMS 3S 12V 40A Lithium Battery Protection Board – 18650","description":"\n\u003ch2\u003ediymore 3S 12V 40A BMS Lithium Battery Protection Board for 18650 Cells\u003c\/h2\u003e\n\u003cp\u003eKeep your 3-cell lithium battery pack running safely and efficiently with the \u003cstrong\u003ediymore BMS 3S 12V 40A Battery Management System Protection Board\u003c\/strong\u003e. Designed for nominal 3.6V\/3.7V 18650 lithium cells wired in a 3S (series) configuration, this compact module safeguards your pack from overcharge, over-discharge, overcurrent, and short-circuit events — all through a single shared port for charging and discharging. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSame-Port Design:\u003c\/strong\u003e Charging and discharging share a single port, simplifying wiring and reducing connector count.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Continuous Discharge:\u003c\/strong\u003e Supports up to 40A continuous discharge current (maximum), suitable for demanding applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eControlled Charge Current:\u003c\/strong\u003e Handles up to 20A continuous charge current (maximum) for fast, controlled top-ups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Charging Voltage Range:\u003c\/strong\u003e Compatible with chargers outputting 12.6V – 13.6V, covering standard 3S lithium charger profiles.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Easy to Install:\u003c\/strong\u003e Measures just 42 × 55 × 3.4 mm — fits neatly into battery enclosures, DIY power tools, e-bikes, and more.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Power Dissipation:\u003c\/strong\u003e Energy-efficient design minimises standby drain and heat generation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Build:\u003c\/strong\u003e Premium-grade components ensure a long operational lifespan and stable performance cycle after cycle.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConfiguration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3S (3 cells in series)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Cell Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.6V \/ 3.7V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePack Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12V (nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCharging Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12.6V – 13.6V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Continuous Discharge Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e40A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Continuous Charge Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e42 × 55 × 3.4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePort Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSame Port (charge \u0026amp; discharge)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTQFP module\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBrand New\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × BMS 3S 12V 40A Lithium Battery Protection Board\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eGreat Pairings for Your DIY Electronics Projects\u003c\/h3\u003e\n\u003cp\u003eBuilding a custom power supply or portable energy pack? Check out the \u003ca href=\"\/products\/ancient-nutrition-multi-collagen-advanced-muscle-60-capsules\"\u003eAncient Nutrition Multi Collagen Advanced Muscle 60 Capsules\u003c\/a\u003e for your wellness needs, or explore our full range of electronics accessories.\u003c\/p\u003e\n\u003cp\u003eLooking for more DIY project components? Browse our store for related modules and components that complement your battery build.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What battery type is this BMS 3S 40A protection board compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This BMS protection board is designed for 3-cell series (3S) lithium-ion or lithium polymer batteries with a nominal cell voltage of 3.6V or 3.7V — such as the popular 18650 format. The pack operates at 12V nominal with a charging voltage range of 12.6V to 13.6V.\u003c\/p\u003e\n\u003ch4\u003eQ: What does \"same port\" mean on this lithium battery protection board?\u003c\/h4\u003e\n\u003cp\u003eA: \"Same port\" means the board uses a single connector for both charging and discharging operations. This simplifies your wiring, reduces the number of connectors needed, and makes the design more compact — ideal for tight battery enclosures and DIY builds.\u003c\/p\u003e\n\u003ch4\u003eQ: Can this BMS handle high-draw applications like power tools or e-bikes?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. With a maximum continuous discharge current of 40A, this 3S BMS board is well-suited for moderate-to-high current applications. However, if your thermal environment is limited, it is advisable to reduce the load current to prevent excess heat build-up and maintain long-term board reliability.\u003c\/p\u003e\n\u003ch4\u003eQ: What are the physical dimensions of this protection board?\u003c\/h4\u003e\n\u003cp\u003eA: The board measures 42 mm × 55 mm × 3.4 mm, making it very compact and easy to integrate into custom battery packs, enclosures, and electronic projects.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What battery type is this BMS 3S 40A protection board compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This BMS protection board is designed for 3-cell series (3S) lithium-ion or lithium polymer batteries with a nominal cell voltage of 3.6V or 3.7V — such as the popular 18650 format. The pack operates at 12V nominal with a charging voltage range of 12.6V to 13.6V.\"}}, {\"@type\": \"Question\", \"name\": \"What does \\\"same port\\\" mean on this lithium battery protection board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"\\\"Same port\\\" means the board uses a single connector for both charging and discharging operations. This simplifies your wiring, reduces the number of connectors needed, and makes the design more compact — ideal for tight battery enclosures and DIY builds.\"}}, {\"@type\": \"Question\", \"name\": \"Can this BMS handle high-draw applications like power tools or e-bikes?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. With a maximum continuous discharge current of 40A, this 3S BMS board is well-suited for moderate-to-high current applications. However, if your thermal environment is limited, it is advisable to reduce the load current to prevent excess heat build-up and maintain long-term board reliability.\"}}, {\"@type\": \"Question\", \"name\": \"What are the physical dimensions of this protection board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The board measures 42 mm × 55 mm × 3.4 mm, making it very compact and easy to integrate into custom battery packs, enclosures, and electronic projects.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"BMS 3S 12V 40A Lithium Battery Protection Board – 18650\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/products\/bms-3s-12v-40a-lithium-battery-protection-board-18650\"}]}\u003c\/script\u003e","brand":"P3","offers":[{"title":"Default Title","offer_id":67925654536473,"sku":"1005005676259423-Default Title","price":7.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/Safe791d4d1cb4591ba5e5995376bebe03.webp?v=1792921007"},{"product_id":"t2-pure-copper-strip-for-18650-21700-battery-spot-welding-5m-10m","title":"T2 Pure Copper Strip for 18650 21700 Battery Spot Welding | 5m–10m","description":"\n\u003ch2\u003eT2 Pure Copper \u0026amp; Nickel-Plated Copper Strip — 5m \/ 10m Rolls\u003c\/h2\u003e\n\u003cp\u003eBuild reliable, high-performance lithium-ion battery packs with this precision-engineered copper welding strip. Available in both high-purity \u003cstrong\u003eT2 pure copper\u003c\/strong\u003e and \u003cstrong\u003enickel-plated copper\u003c\/strong\u003e variants, this strip is designed for spot welding 18650, 21700, and 26650 lithium-ion cells into packs for electric vehicles, power banks, laptops, and more. CE and RoHS certified for peace of mind. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Purity T2 Copper Core:\u003c\/strong\u003e Thickened red copper construction delivers outstanding current-carrying capacity, making it ideal for high-current battery applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiffusion Nickel-Plating Process:\u003c\/strong\u003e The nickel-plated variant features a highly uniform, strongly bonded coating with low internal resistance. Resistant to peeling and oxidation for long-lasting safety and reliability.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecision Machined Edges:\u003c\/strong\u003e Minimal burrs and flash ensure the battery membrane is never punctured during assembly, significantly enhancing safety.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDegreased Surface Treatment:\u003c\/strong\u003e Each strip undergoes a thorough degreasing process for optimal weld adhesion and cleaner connections.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExcellent Conductivity \u0026amp; Workability:\u003c\/strong\u003e Bright, smooth surface with superior thermal and electrical conductivity, ductility, corrosion resistance, and weather resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE \u0026amp; RoHS Certified:\u003c\/strong\u003e Meets key safety and environmental compliance standards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eT2 Pure Copper \/ Nickel-Plated Copper\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.15 × 10 mm or 0.2 × 10 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLength Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 metres (unrolled) \/ 10 metres (unrolled)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Cells\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18650, 21700, 26650 Lithium-Ion\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCE, RoHS\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003eThis versatile copper strip is widely used across the battery industry, including:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eElectric vehicle (EV) battery packs\u003c\/li\u003e\n  \u003cli\u003ePower bank and portable battery assemblies\u003c\/li\u003e\n  \u003cli\u003eLaptop and mobile phone battery packs\u003c\/li\u003e\n  \u003cli\u003eSelf-balancing scooter battery systems\u003c\/li\u003e\n  \u003cli\u003eNickel-metal hydride (NiMH) and nickel-cadmium (NiCd) battery packs\u003c\/li\u003e\n  \u003cli\u003ePower tool and industrial battery assemblies\u003c\/li\u003e\n  \u003cli\u003eButton cell and custom power battery configurations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Copper Strip Roll (your chosen length and variant)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLooking to explore more electronics and battery-related tools? Browse our store for other quality components and accessories.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the difference between the T2 pure copper strip and the nickel-plated copper strip?\u003c\/h4\u003e\n\u003cp\u003eA: The T2 pure copper strip is made from high-purity red copper, offering maximum electrical conductivity and current-carrying capacity — ideal for high-drain battery builds. The nickel-plated copper strip features a diffusion nickel coating over the copper core, which adds corrosion resistance, improved oxidation resistance, and greater long-term durability, making it a popular choice for battery packs exposed to varied environmental conditions.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this strip compatible with 18650, 21700, and 26650 lithium-ion cells?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The strip is specifically designed for spot welding 18650, 21700, and 26650 cylindrical lithium-ion battery cells. The precision dimensions (0.15 × 10 mm or 0.2 × 10 mm) make it suitable for connecting cells in series or parallel configurations across a wide range of battery pack designs.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What thickness should I choose — 0.15 mm or 0.2 mm?\u003c\/h4\u003e\n\u003cp\u003eA: The 0.15 mm thickness is well-suited for standard battery pack builds and is easier to weld with most spot welders. The 0.2 mm thickness offers higher current-carrying capacity and is recommended for larger, higher-power battery assemblies such as EV packs or power tools. Choose based on the current demands of your specific application.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this copper strip safe to use with my battery cells?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. Each strip is precision-machined to minimise burrs and flash, ensuring the battery membrane is not at risk of puncture during assembly. The degreased surface treatment further ensures clean, strong welds. Both variants are CE and RoHS certified, confirming compliance with key safety and environmental standards.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the difference between the T2 pure copper strip and the nickel-plated copper strip?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The T2 pure copper strip is made from high-purity red copper, offering maximum electrical conductivity and current-carrying capacity — ideal for high-drain battery builds. The nickel-plated copper strip features a diffusion nickel coating over the copper core, which adds corrosion resistance, improved oxidation resistance, and greater long-term durability, making it a popular choice for battery packs exposed to varied environmental conditions.\"}}, {\"@type\": \"Question\", \"name\": \"Is this strip compatible with 18650, 21700, and 26650 lithium-ion cells?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The strip is specifically designed for spot welding 18650, 21700, and 26650 cylindrical lithium-ion battery cells. The precision dimensions (0.15 × 10 mm or 0.2 × 10 mm) make it suitable for connecting cells in series or parallel configurations across a wide range of battery pack designs.\"}}, {\"@type\": \"Question\", \"name\": \"What thickness should I choose — 0.15 mm or 0.2 mm?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The 0.15 mm thickness is well-suited for standard battery pack builds and is easier to weld with most spot welders. The 0.2 mm thickness offers higher current-carrying capacity and is recommended for larger, higher-power battery assemblies such as EV packs or power tools. Choose based on the current demands of your specific application.\"}}, {\"@type\": \"Question\", \"name\": \"Is this copper strip safe to use with my battery cells?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. Each strip is precision-machined to minimise burrs and flash, ensuring the battery membrane is not at risk of puncture during assembly. The degreased surface treatment further ensures clean, strong welds. Both variants are CE and RoHS certified, confirming compliance with key safety and environmental standards.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"T2 Pure Copper Strip for 18650 21700 Battery Spot Welding | 5m–10m\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/products\/t2-pure-copper-nickel-plated-strip-18650-21700-battery-spot-welding\"}]}\u003c\/script\u003e","brand":"P3","offers":[{"title":"Type B 5M 0.2x10mm","offer_id":67925655716121,"sku":"1005009049788715-Type B 5M 0.2x10mm","price":34.99,"currency_code":"USD","in_stock":true},{"title":"Type B 5M 0.15x10mm","offer_id":67925655748889,"sku":"1005009049788715-Type B 5M 0.15x10mm","price":29.91,"currency_code":"USD","in_stock":true},{"title":"Type A 5M 0.2x10mm","offer_id":67925655781657,"sku":"1005009049788715-Type A 5M 0.2x10mm","price":32.96,"currency_code":"USD","in_stock":true},{"title":"Type A 5M 0.15x10mm","offer_id":67925655814425,"sku":"1005009049788715-Type A 5M 0.15x10mm","price":29.59,"currency_code":"USD","in_stock":true},{"title":"Type A 10M 0.2x10mm","offer_id":67925655847193,"sku":"1005009049788715-Type A 10M 0.2x10mm","price":58.48,"currency_code":"USD","in_stock":true},{"title":"Type A 10M 0.15x10mm","offer_id":67925655879961,"sku":"1005009049788715-Type A 10M 0.15x10mm","price":33.8,"currency_code":"USD","in_stock":true},{"title":"Type B 10M 0.2x10mm","offer_id":67925655912729,"sku":"1005009049788715-Type B 10M 0.2x10mm","price":62.2,"currency_code":"USD","in_stock":true},{"title":"Type B 10M 0.15x10mm","offer_id":67925655945497,"sku":"1005009049788715-Type B 10M 0.15x10mm","price":51.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/Sd4a3db4fccbd417a91b7c719672fdfd1v.webp?v=1792921009"},{"product_id":"10s-36v-15a-18650-lithium-bms-battery-protection-board","title":"10S 36V 15A 18650 Lithium BMS Battery Protection Board","description":"\n\u003ch2\u003e10S 36V 15A Lithium-Ion Battery Protection Board (BMS Module)\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003ediymore 10S 36V 15A Battery Management System (BMS) Protection Board\u003c\/strong\u003e is a high-performance, integrated solution designed for 10-cell series lithium-ion (18650) battery packs. Ideal for e-bikes, electric scooters, power tools, and DIY energy storage projects, this module combines multi-layered safeguard circuitry with a compact, durable design — all in a single plug-and-play unit. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Layered Protection:\u003c\/strong\u003e Guards against overvoltage, over-discharge, short circuits, and overcurrent — keeping your battery pack and connected equipment safe at all times.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Current Capacity:\u003c\/strong\u003e Supports a continuous operating current of up to \u003cstrong\u003e15A\u003c\/strong\u003e (single port) with an instantaneous protection threshold of 80A, making it suitable for high-demand applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Efficiency Heat Dissipation:\u003c\/strong\u003e Optimised internal structure minimises heat build-up for stable, long-lasting operation across a wide temperature range (-40°C to +80°C).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Power Consumption:\u003c\/strong\u003e Operating consumption of ≤40μA ensures minimal standby drain from your battery pack.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible Wiring Options:\u003c\/strong\u003e Choose between single-port (same-pin) or multi-port (split-pin) wiring configurations to suit your specific build requirements. Cable: 2.0mm pitch, 40cm length.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Build:\u003c\/strong\u003e Blue protective casing with a smooth, flat surface for excellent durability and easy integration into enclosures.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTQFP Package IC:\u003c\/strong\u003e Main circuit on-resistance of ≤15mΩ for minimal energy loss during charge and discharge cycles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10S 36V 15A BMS Protection Module\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCell Configuration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 cells in series (18650 Li-ion)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eContinuous Current (Charge\/Discharge)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstantaneous Protection Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e80A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Charger Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e56V – 60V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSingle-Cell Overcharge Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.25V ± 0.025V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSingle-Cell Over-Discharge Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.7V ± 0.08V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40°C to +80°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMain Circuit On-Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤15mΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Power Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤40μA\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiring Config\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSingle port \/ Multi-port (selectable)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.0mm pitch \/ 40cm length\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShort-Circuit \/ Overcurrent Recovery\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRecharge or disconnect load\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTQFP IC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e10S 36V 15A Lithium Battery Protection Board × 1\u003c\/li\u003e\n  \u003cli\u003eData Cable × 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cp\u003eLooking to power up your projects further? Check out these popular items in our store:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/ancient-nutrition-multi-collagen-advanced-muscle-60-capsules\"\u003eAncient Nutrition Multi Collagen Advanced Muscle 60 Capsules\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/bu-29mm-sinking-minnow-jerkbait-fishing-lure-bass-trout-pike\"\u003eB\u0026amp;U 29mm Sinking Minnow Jerkbait Lure – Bass Trout Pike\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What battery configuration is the 10S 36V 15A BMS protection board designed for?\u003c\/h4\u003e\n\u003cp\u003eA: This BMS module is specifically designed for a 10-cell series (10S) lithium-ion (18650) battery pack, providing a nominal voltage of 36V. It manages both charging and discharging, protecting each cell from overvoltage (above 4.25V ± 0.025V) and over-discharge (below 2.7V ± 0.08V).\u003c\/p\u003e\n\u003ch4\u003eQ: What charger voltage should I use with this protection board?\u003c\/h4\u003e\n\u003cp\u003eA: The recommended charger voltage for this 10S BMS module is between 56V and 60V. Using a charger within this range ensures safe and efficient charging of your 10-cell series lithium-ion pack.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I use this BMS board for an electric bike or scooter battery pack?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The 10S 36V 15A BMS protection module is well-suited for electric bicycles, electric scooters, and other 36V electric vehicle battery packs. Its 15A continuous current capacity and 80A instantaneous protection current make it capable of handling high-demand loads, while the multi-layered safeguard circuitry keeps your battery pack operating safely.\u003c\/p\u003e\n\u003ch4\u003eQ: What wiring options does this battery protection board support?\u003c\/h4\u003e\n\u003cp\u003eA: This BMS module supports both single-port (same-pin) and multi-port (split-pin) wiring configurations, giving you flexibility in how you integrate it into your battery system. The included data cable features a 2.0mm pitch and 40cm length for straightforward connections.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What battery configuration is the 10S 36V 15A BMS protection board designed for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This BMS module is specifically designed for a 10-cell series (10S) lithium-ion (18650) battery pack, providing a nominal voltage of 36V. It manages both charging and discharging, protecting each cell from overvoltage (above 4.25V ± 0.025V) and over-discharge (below 2.7V ± 0.08V).\"}}, {\"@type\": \"Question\", \"name\": \"What charger voltage should I use with this protection board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The recommended charger voltage for this 10S BMS module is between 56V and 60V. Using a charger within this range ensures safe and efficient charging of your 10-cell series lithium-ion pack.\"}}, {\"@type\": \"Question\", \"name\": \"Can I use this BMS board for an electric bike or scooter battery pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The 10S 36V 15A BMS protection module is well-suited for electric bicycles, electric scooters, and other 36V electric vehicle battery packs. Its 15A continuous current capacity and 80A instantaneous protection current make it capable of handling high-demand loads, while the multi-layered safeguard circuitry keeps your battery pack operating safely.\"}}, {\"@type\": \"Question\", \"name\": \"What wiring options does this battery protection board support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This BMS module supports both single-port (same-pin) and multi-port (split-pin) wiring configurations, giving you flexibility in how you integrate it into your battery system. The included data cable features a 2.0mm pitch and 40cm length for straightforward connections.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"10S 36V 15A 18650 Lithium BMS Battery Protection Board\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/products\/10s-36v-15a-18650-lithium-bms-battery-protection-board\"}]}\u003c\/script\u003e","brand":"P3","offers":[{"title":"Same Port","offer_id":67925666595097,"sku":"1005012431927403-Same Port","price":27.87,"currency_code":"USD","in_stock":true},{"title":"Separate Mouths","offer_id":67925666627865,"sku":"1005012431927403-Separate Mouths","price":26.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/Sf294449c0e5445f392d33412d3d9aab6Y.webp?v=1792921060"},{"product_id":"portable-18650-battery-spot-welder-kit-8-or-12-settings","title":"Portable 18650 Battery Spot Welder Kit – 8 or 12 Settings","description":"\n\u003ch2\u003ePortable Handheld 18650 Battery Spot Welder – 8 or 12 Adjustable Settings\u003c\/h2\u003e\n\u003cp\u003eTake your DIY battery builds and mobile device repairs to the next level with this compact, one-handed \u003cstrong\u003e18650 Lithium-Ion Battery Spot Welder\u003c\/strong\u003e. Available in an \u003cstrong\u003e8-setting\u003c\/strong\u003e or \u003cstrong\u003e12-setting\u003c\/strong\u003e version, this kit gives hobbyists, repair technicians, and electronics enthusiasts precise control over every weld — right in the palm of their hand. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose This Spot Welder?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTruly Portable:\u003c\/strong\u003e Compact, lightweight ABS housing fits comfortably in one hand. A built-in 2200mAh lithium-polymer battery and Type-C USB charging (DC 5V\/2A) mean you can work anywhere — no wall outlet required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible Power Settings:\u003c\/strong\u003e Choose the 8-setting model for straightforward projects or the 12-setting model (with manual and automatic modes) for finer control. Both handle nickel strip welding from 0.1mm up to 0.25mm thickness.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy-Swap Welding Pins:\u003c\/strong\u003e Pure copper pins (~3 × 50mm) use embedded fixing technology — no more wrestling with threaded connections. Swap pins fast and keep your alignment spot on.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-In LED Lighting:\u003c\/strong\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cem\u003e8-Setting Model:\u003c\/em\u003e 3-level brightness adjustment\u003c\/li\u003e\n      \u003cli\u003e\n\u003cem\u003e12-Setting Model:\u003c\/em\u003e 0–9 brightness levels\u003c\/li\u003e\n    \u003c\/ul\u003e\n    Work confidently in dimly lit workshops or tight spaces.\n  \u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComprehensive Safety Protections:\u003c\/strong\u003e Surge protection, voltage regulation, short-circuit protection, low- and high-temperature cut-off, overcharge protection, and over-discharge protection all built in for worry-free operation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE \u0026amp; RoHS Certified:\u003c\/strong\u003e Meets internationally recognised safety and environmental standards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAdjustable Settings\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8 or 12 (choose your variant)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e800A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.2V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2200mAh lithium-polymer\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCharging Input\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 5V\/2A via Type-C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWelding Thickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1mm – 0.25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCopper Pin Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 3 × 50mm (pure copper)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHousing Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eABS\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLED\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCE, RoHS\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e8-Setting Kit:\u003c\/strong\u003e Main unit × 1 | Sandpaper × 1 | Nickel coil × 1 | Welding pins × 2 | Screwdriver × 1 | Type-C charging cable × 1\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e12-Setting Kit:\u003c\/strong\u003e Main unit × 1 | Sandpaper × 1 | Nickel coil × 1 | Welding pins × 4 | Screwdriver × 1 | Type-C charging cable × 1\u003c\/p\u003e\n\n\u003ch3\u003eCommon Troubleshooting Tips\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDevice won't power on:\u003c\/strong\u003e Check that the battery is charged and that the charging cable and adaptor are correctly connected.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePowers on but won't weld:\u003c\/strong\u003e Ensure the unit is in welding-pin mode and that no foreign objects are bridging the two welding pins.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLED light won't illuminate:\u003c\/strong\u003e Verify the brightness setting is not at level 0 (off).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUnit shuts off during use:\u003c\/strong\u003e The thermal protection has activated due to extended high-power use. Allow the device to cool before restarting.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/ancient-nutrition-multi-collagen-advanced-muscle-60-capsules\"\u003eAncient Nutrition Multi Collagen Advanced Muscle 60 Capsules\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/bu-29mm-sinking-minnow-jerkbait-fishing-lure-bass-trout-pike\"\u003eB\u0026amp;U 29mm Sinking Minnow Jerkbait Lure – Bass Trout Pike\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What materials can this handheld spot welder weld?\u003c\/h4\u003e\n\u003cp\u003eA: This portable battery spot welder is designed for nickel strips and nickel-plated steel strips commonly used in 18650 lithium-ion battery pack assembly and mobile phone repairs. It handles welding thicknesses from 0.1mm up to 0.25mm.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I charge the spot welder's internal battery?\u003c\/h4\u003e\n\u003cp\u003eA: The unit charges via its Type-C port using the included cable and a standard 5V\/2A USB power adaptor. The built-in LED display indicates battery level so you always know when a top-up is needed.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the difference between the 8-setting and 12-setting versions?\u003c\/h4\u003e\n\u003cp\u003eA: The 8-setting model offers 8 power levels and 3-level LED brightness — perfect for straightforward nickel-strip welding tasks. The 12-setting model adds 12 power levels, both manual and automatic welding modes, and 0–9 LED brightness steps for finer control on more demanding projects. The 12-setting kit also includes 4 welding pins instead of 2.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this spot welder safe to use at home?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The welder carries CE and RoHS certification and incorporates seven built-in safety features: surge protection, voltage regulation, short-circuit protection, low-temperature protection, high-temperature cut-off, overcharge protection, and over-discharge protection. Always follow standard electrical safety practices and use in a well-ventilated area.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What materials can this handheld spot welder weld?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This portable battery spot welder is designed for nickel strips and nickel-plated steel strips commonly used in 18650 lithium-ion battery pack assembly and mobile phone repairs. It handles welding thicknesses from 0.1mm up to 0.25mm.\"}}, {\"@type\": \"Question\", \"name\": \"How do I charge the spot welder's internal battery?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The unit charges via its Type-C port using the included cable and a standard 5V\/2A USB power adaptor. The built-in LED display indicates battery level so you always know when a top-up is needed.\"}}, {\"@type\": \"Question\", \"name\": \"What is the difference between the 8-setting and 12-setting versions?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The 8-setting model offers 8 power levels and 3-level LED brightness — perfect for straightforward nickel-strip welding tasks. The 12-setting model adds 12 power levels, both manual and automatic welding modes, and 0–9 LED brightness steps for finer control on more demanding projects. The 12-setting kit also includes 4 welding pins instead of 2.\"}}, {\"@type\": \"Question\", \"name\": \"Is this spot welder safe to use at home?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The welder carries CE and RoHS certification and incorporates seven built-in safety features: surge protection, voltage regulation, short-circuit protection, low-temperature protection, high-temperature cut-off, overcharge protection, and over-discharge protection. Always follow standard electrical safety practices and use in a well-ventilated area.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Portable 18650 Battery Spot Welder Kit – 8 or 12 Settings\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/products\/portable-handheld-18650-battery-spot-welder-kit-8-12-settings\"}]}\u003c\/script\u003e","brand":"P3","offers":[{"title":"8-step adjustment","offer_id":67925669675289,"sku":"1005012574983506-8-step adjustment","price":91.96,"currency_code":"USD","in_stock":true},{"title":"12-step adjustment","offer_id":67925669708057,"sku":"1005012574983506-12-step adjustment","price":99.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/S1a3f1b2501a54e868f28b059bbba15b7E_faa5e244-e0d8-4f7d-9507-45f4534f91ab.webp?v=1792921071"},{"product_id":"40w-4-port-ups-power-module-12-6v-battery-charging-board","title":"40W 4-Port UPS Power Module 12.6V Battery Charging Board","description":"\n\u003ch2\u003e40W 4-Port Mini UPS Battery Charging Board – 12.6V Uninterruptible Power Module\u003c\/h2\u003e\n\u003cp\u003eKeep your router, mini PC, and other low-voltage devices running without interruption. The \u003cstrong\u003ediymore 40W 4-Port UPS Power Module\u003c\/strong\u003e is a compact, surface-mount charging board that automatically switches to battery power the moment your mains supply drops — so your connected devices never lose power. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4 Independent Output Channels\u003c\/strong\u003e – simultaneously power multiple devices with dedicated outputs at 12V, 12V, 9V, and 5V.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Power Output\u003c\/strong\u003e – supports up to 40W continuous output, with peak capacity reaching 47.5W.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomatic Battery Switchover\u003c\/strong\u003e – fully surface-mounted circuitry detects power loss instantly and switches to battery backup without interruption.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery Level Indicator\u003c\/strong\u003e – real-time LED readout displays charge status at 100%, 75%, 50%, and 25% for clear, at-a-glance monitoring.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComprehensive Protection Suite\u003c\/strong\u003e – short-circuit, high-voltage, 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\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Undervoltage Cutoff\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Voltage Tolerance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.05V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e99%\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtections\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eShort-circuit, High-voltage, Reverse polarity, Output overvoltage\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e73.5 × 63 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 40W UPS Power Module Board\u003c\/li\u003e\n  \u003cli\u003e1 × Terminal Cable\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cp\u003eMini routers, single-board computers, network switches, security cameras, Raspberry Pi setups, and any low-voltage electronics that require continuous, stable power — even during outages.\u003c\/p\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/ancient-nutrition-multi-collagen-advanced-muscle-60-capsules\"\u003eAncient Nutrition Multi Collagen Advanced Muscle 60 Capsules\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/bu-29mm-sinking-minnow-jerkbait-fishing-lure-bass-trout-pike\"\u003eB\u0026amp;U 29mm Sinking Minnow Jerkbait Lure – Bass Trout Pike\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What battery type does the 12.6V UPS power module require?\u003c\/h4\u003e\n\u003cp\u003eA: This UPS power module is designed for a 3S Li-Po (Lithium Polymer) 18650 battery pack with a nominal voltage of 11.1V and a full charge voltage of 12.6V. The board includes undervoltage cutoff protection at 10.5V to protect your battery from over-discharge.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I power a mini router and other devices simultaneously with this board?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The board features 4 independent output ports — two at 12V\/1.5A, one at 9V\/2A, and one at 5V\/2A — allowing you to power a mini router, a switch, a security camera, and a USB device all at the same time, up to 40W total continuous output.\u003c\/p\u003e\n\u003ch4\u003eQ: How quickly does the board switch to battery power during an outage?\u003c\/h4\u003e\n\u003cp\u003eA: The fully surface-mounted automatic switchover circuitry detects a power interruption and transitions to battery backup seamlessly, ensuring connected devices experience no noticeable downtime or connectivity drop.\u003c\/p\u003e\n\u003ch4\u003eQ: What protections does this UPS module include?\u003c\/h4\u003e\n\u003cp\u003eA: The module includes short-circuit protection, high-voltage protection, reverse polarity protection, and output overvoltage protection — safeguarding both the board itself and any connected devices from damage caused by electrical faults.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What battery type does the 12.6V UPS power module require?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This UPS power module is designed for a 3S Li-Po (Lithium Polymer) 18650 battery pack with a nominal voltage of 11.1V and a full charge voltage of 12.6V. The board includes undervoltage cutoff protection at 10.5V to protect your battery from over-discharge.\"}}, {\"@type\": \"Question\", \"name\": \"Can I power a mini router and other devices simultaneously with this board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The board features 4 independent output ports — two at 12V\/1.5A, one at 9V\/2A, and one at 5V\/2A — allowing you to power a mini router, a switch, a security camera, and a USB device all at the same time, up to 40W total continuous output.\"}}, {\"@type\": \"Question\", \"name\": \"How quickly does the board switch to battery power during an outage?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The fully surface-mounted automatic switchover circuitry detects a power interruption and transitions to battery backup seamlessly, ensuring connected devices experience no noticeable downtime or connectivity drop.\"}}, {\"@type\": \"Question\", \"name\": \"What protections does this UPS module include?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The module includes short-circuit protection, high-voltage protection, reverse polarity protection, and output overvoltage protection — safeguarding both the board itself and any connected devices from damage caused by electrical faults.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"40W 4-Port UPS Power Module 12.6V Battery Charging Board\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/products\/40w-4-port-ups-power-module-12-6v-battery-charging-board\"}]}\u003c\/script\u003e","brand":"P3","offers":[{"title":"PURPLE","offer_id":67925670428953,"sku":"1005011691509105-PURPLE","price":20.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/Ad45be2a38a91444f9733aadf6f73793dI.webp?v=1792921074"},{"product_id":"12-18650-ups-power-supply-box-5v-9v-12-24v-adjustable-diy-kit","title":"12×18650 UPS Power Supply Box | 5V 9V 12–24V Adjustable DIY Kit","description":"\n\u003ch2\u003eANENG 12×18650 DC Uninterruptible Power Supply Box\u003c\/h2\u003e\n\u003cp\u003eKeep your router, optical modem, or NAS running without interruption with this versatile DIY UPS power bank kit from ANENG. Designed for makers and home-network enthusiasts, this solder-free, plug-and-play module accepts 12 standard 18650 flat-top batteries (user-supplied) and delivers three independent regulated outputs — so your connected devices stay powered even during a grid outage.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThree Independent Output Ports:\u003c\/strong\u003e USB 5V 3A, fixed 9V 1A, and a fully adjustable 12–24V port (up to 24W) — covering the majority of home networking and DIY electronics needs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Precision Stepless Voltage Regulation:\u003c\/strong\u003e The adjustable port offers continuous 12–24V regulation with 0.1V accuracy. Once set, the voltage is stored — no readjustment needed at each power-up.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomatic UPS Charge\/Discharge Management:\u003c\/strong\u003e DC constant-voltage UPS circuitry handles switching between mains input and battery backup automatically — no manual intervention required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSolder-Free Assembly:\u003c\/strong\u003e 12-cell battery compartment snaps together easily — no soldering tools or technical expertise needed. True plug-and-play DIY convenience.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Operating Temperature:\u003c\/strong\u003e Rated –20°C to 60°C, suitable for placement in wiring cabinets, server closets, or outdoor enclosures.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRigorous Quality Control:\u003c\/strong\u003e Designed for long-term stable operation and extended service life under continuous load.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFull Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eANENG\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Slots\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 × 18650 flat-top (batteries NOT included)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Battery Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.7V × 40,000mAh = 148Wh (user-supplied batteries)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Port 1\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSB 5V 3A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Port 2\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 9V 1A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Port 3\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 12–24V adjustable, up to 24W (0.1V regulation accuracy)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCharging Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10–12W\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUPS Input Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12–13V (12.7–13V recommended; must not exceed 13V)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDC Connector Standard\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 5.5×2.1mm (positive inside, negative outside)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e–20°C to 60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHigh-Concern Chemicals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eUPS Module × 1 (batteries not included)\u003c\/li\u003e\n  \u003cli\u003eDC5521–5525 adapter cable × 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/ancient-nutrition-multi-collagen-advanced-muscle-60-capsules\"\u003eAncient Nutrition Multi Collagen Advanced Muscle 60 Capsules\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/bu-sinking-minnow-lure-29mm-2-8g-bass-pike-trout-wobbler\"\u003eB\u0026amp;U Sinking Minnow Lure 29mm 2.8g – Bass Pike Trout Wobbler\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Do the 18650 batteries come included with this UPS power supply box?\u003c\/h4\u003e\n\u003cp\u003eA: No — the 12×18650 battery slots are user-filled. You will need to supply 12 flat-top 18650 lithium cells separately. Using high-quality, matched-capacity cells is strongly recommended to maximise performance and battery cycle life.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What devices can I power with this 18650 UPS kit?\u003c\/h4\u003e\n\u003cp\u003eA: This kit is ideal for optical modems, home routers, NAS drives, IP cameras, and other low-to-mid-power DC devices. The three independent outputs (5V, 9V, and 12–24V adjustable) cover the most common power requirements for home networking and DIY electronics projects.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How does the automatic UPS function work?\u003c\/h4\u003e\n\u003cp\u003eA: The DC constant-voltage UPS circuitry monitors the mains input continuously. When grid power is present, it simultaneously powers your connected device and charges the batteries. If the mains input drops, the module instantly switches to battery backup with no manual switching required, keeping your network equipment online.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I set the adjustable voltage output and leave it permanently?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The 12–24V stepless adjustable port stores your chosen voltage setting. Once you dial in the precise voltage (with 0.1V accuracy), it remains constant across power cycles — you do not need to readjust it every time the unit restarts.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Do the 18650 batteries come included with this UPS power supply box?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No — the 12×18650 battery slots are user-filled. You will need to supply 12 flat-top 18650 lithium cells separately. Using high-quality, matched-capacity cells is strongly recommended to maximise performance and battery cycle life.\"}}, {\"@type\": \"Question\", \"name\": \"What devices can I power with this 18650 UPS kit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This kit is ideal for optical modems, home routers, NAS drives, IP cameras, and other low-to-mid-power DC devices. The three independent outputs (5V, 9V, and 12–24V adjustable) cover the most common power requirements for home networking and DIY electronics projects.\"}}, {\"@type\": \"Question\", \"name\": \"How does the automatic UPS function work?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The DC constant-voltage UPS circuitry monitors the mains input continuously. When grid power is present, it simultaneously powers your connected device and charges the batteries. If the mains input drops, the module instantly switches to battery backup with no manual switching required, keeping your network equipment online.\"}}, {\"@type\": \"Question\", \"name\": \"Can I set the adjustable voltage output and leave it permanently?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The 12–24V stepless adjustable port stores your chosen voltage setting. Once you dial in the precise voltage (with 0.1V accuracy), it remains constant across power cycles — you do not need to readjust it every time the unit restarts.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"12×18650 UPS Power Supply Box | 5V 9V 12–24V Adjustable DIY Kit\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/products\/18650-ups-power-supply-box-adjustable-voltage-diy-kit\"}]}\u003c\/script\u003e","brand":"P3","offers":[{"title":"White","offer_id":67925675573529,"sku":"1005012647075644-White","price":105.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/A49129a99c32346cf8d1b6122bf71e528Z.webp?v=1792921122"},{"product_id":"pd-20w-fast-charging-diy-power-bank-case-21700-battery-holder","title":"PD 20W Fast Charging DIY Power Bank Case – 21700 Battery Holder","description":"\n\u003ch2\u003ePD 20W Fast Charging DIY Power Bank Case – Single 21700 Battery Holder with Integrated Cable\u003c\/h2\u003e\n\n\u003cp\u003eBuild your own compact, high-performance power bank with this \u003cstrong\u003ePD 20W DIY Power Bank Case\u003c\/strong\u003e by \u003cstrong\u003ediymore\u003c\/strong\u003e. Designed for a single 21700 flat-top cell (not included), this solderless kit is perfect for electronics enthusiasts, outdoor adventurers, commuters, and anyone who wants a slim, customisable portable charger they can maintain and upgrade themselves.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo Soldering Required:\u003c\/strong\u003e Solderless design makes assembly fast, safe, and beginner-friendly — ideal for rapid DIY builds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePD 20W Fast Charging Output:\u003c\/strong\u003e Supports up to PD 20W, fully compatible with mainstream Type-C devices for speedy, efficient top-ups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated Dual Type-C Cable:\u003c\/strong\u003e Detachable dual-wire Type-C cable is built right into the shell — no more forgetting your charging cable when you head out.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Battery Replacement:\u003c\/strong\u003e The shell disassembles effortlessly for straightforward battery swaps or circuit-board maintenance, greatly extending the product's service life.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Portable:\u003c\/strong\u003e Sized specifically for a single 21700 cell, keeping the footprint small enough to slip into a pocket or bag for outdoor activities or daily commuting.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4-LED Battery Indicator:\u003c\/strong\u003e Four indicator lights show remaining charge at a glance; all four stay lit when fully charged. A green indicator illuminates during active fast charging.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Layer Protection:\u003c\/strong\u003e Built-in overcharge, over-discharge, overvoltage, and overcurrent safeguards for reliable, worry-free operation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Power Consumption:\u003c\/strong\u003e Energy-efficient mainboard circuitry minimises standby drain.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHousing Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEco-friendly plastic\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHousing Colour\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack \/ Grey\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Battery\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 × 21700 flat-top cell (NOT included)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePorts\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSB-A fast-charge output + Type-C bidirectional fast-charge port + integrated Type-C cable\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCable Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eType-C (dual Type-C connectors)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Parameters\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V 2A \/ 5V 3A \/ 9V 2.2A \/ 12V 1.67A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Parameters\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V 2A \/ 5V 3A \/ 9V 2.2A \/ 12V 1.67A \/ 10V 2.25A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtections\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOvercharge, over-discharge, overvoltage, overcurrent\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eInstallation Note:\u003c\/strong\u003e Insert the 21700 battery observing correct polarity — the spring contact indicates the negative (–) terminal.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × PD 20W Power Bank Case (battery NOT included)\u003c\/li\u003e\n  \u003cli\u003e1 × Integrated Type-C charging cable (attached to shell)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/ancient-nutrition-multi-collagen-advanced-muscle-60-capsules\"\u003eAncient Nutrition Multi Collagen Advanced Muscle 60 Capsules\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/bu-sinking-minnow-lure-29mm-2-8g-bass-pike-trout-wobbler\"\u003eB\u0026amp;U Sinking Minnow Lure 29mm 2.8g – Bass Pike Trout Wobbler\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003ch4\u003eQ: Does the PD 20W DIY Power Bank Case come with a 21700 battery?\u003c\/h4\u003e\n\u003cp\u003eA: No — the battery is NOT included. You will need to supply your own single flat-top 21700 lithium cell. Please ensure you source a quality cell from a reputable supplier and observe correct polarity during installation (the spring contact marks the negative terminal).\u003c\/p\u003e\n\n\u003ch4\u003eQ: Which devices are compatible with this power bank case?\u003c\/h4\u003e\n\u003cp\u003eA: The case supports PD 20W fast charging and is compatible with the vast majority of modern Type-C devices including smartphones, earbuds, and small tablets. It also features a USB-A output port for legacy devices. Output protocols cover 5V, 9V, 10V, and 12V profiles to match a wide range of device requirements.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Do I need soldering skills to assemble this DIY power bank?\u003c\/h4\u003e\n\u003cp\u003eA: Not at all! The solderless design means you simply insert your 21700 battery into the holder, observe polarity, close the shell, and you're ready to go. No tools, soldering iron, or advanced electronics knowledge is required, making it ideal for hobbyists and beginners alike.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I replace the battery when it wears out?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. One of the standout benefits of this case is its easy-disassembly shell. When your 21700 cell reaches the end of its useful cycle life, simply open the case, swap in a fresh cell, and continue using the same power bank housing and mainboard — saving money and reducing waste.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Does the PD 20W DIY Power Bank Case come with a 21700 battery?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No — the battery is NOT included. You will need to supply your own single flat-top 21700 lithium cell. 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No tools, soldering iron, or advanced electronics knowledge is required, making it ideal for hobbyists and beginners alike.\"}}, {\"@type\": \"Question\", \"name\": \"Can I replace the battery when it wears out?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. One of the standout benefits of this case is its easy-disassembly shell. When your 21700 cell reaches the end of its useful cycle life, simply open the case, swap in a fresh cell, and continue using the same power bank housing and mainboard — saving money and reducing waste.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"PD 20W Fast Charging DIY Power Bank Case – 21700 Battery Holder\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/products\/pd20w-fast-charging-diy-power-bank-case-21700-battery-holder\"}]}\u003c\/script\u003e","brand":"P3","offers":[{"title":"Black","offer_id":67925677441305,"sku":"1005010793252150-Black","price":26.47,"currency_code":"USD","in_stock":true},{"title":"Grey","offer_id":67925677474073,"sku":"1005010793252150-Grey","price":26.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/A3af06f3e76564e24bd6ea834b5ba31cfm.webp?v=1792921125"},{"product_id":"16-18650-power-bank-case-22-5w-fast-15w-wireless-charging","title":"16×18650 Power Bank Case – 22.5W Fast \u0026 15W Wireless Charging","description":"\n\u003ch2\u003eBuild Your Own High-Capacity Portable Charger\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eocckic P16 Power Bank Case\u003c\/strong\u003e lets you create a powerful 20,000mAh portable charger using 16 standard 18650 cells (sold separately). Featuring \u003cstrong\u003e22.5W wired fast charging\u003c\/strong\u003e, \u003cstrong\u003e15W wireless charging\u003c\/strong\u003e, triple output ports, and a built-in LED camping light, this DIY power bank shell is the ultimate travel and outdoor companion. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e22.5W Fast Charging Output\u003c\/strong\u003e – Supports QC3.0, QC2.0, AFC, FCP, and SCP protocols for rapid device charging across all major smartphone brands.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e15W Wireless Charging\u003c\/strong\u003e – Lay your Qi-compatible device on top for cord-free convenience.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTriple Output \/ Dual Input\u003c\/strong\u003e – USB-A, Type-C output ports plus Type-C and Micro-USB input options for maximum flexibility.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePD3.0 \/ PD2.0 Support\u003c\/strong\u003e – Type-C output supports the latest Power Delivery standards for laptops and tablets.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLarge LED Mirror Display\u003c\/strong\u003e – Clearly shows remaining battery capacity at a glance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-In LED Camping Light\u003c\/strong\u003e – High-power torch function built right into the case — perfect for camping, hiking, and emergencies.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePremium Protection Circuitry\u003c\/strong\u003e – Precision lithium battery management protects against overcharge, over-discharge, and short circuits.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIY 20,000mAh Capacity\u003c\/strong\u003e – Fits 16 × 18650 cells for a high-density power reserve (batteries not included).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eP16 Power Bank Casing\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Cells\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18650 × 16 (not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTotal Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20,000mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Wired Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e22.5W\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWireless Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15W\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eInput Details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType-C Input:\u003c\/strong\u003e PD3.0 \/ PD2.0 \/ AFC \/ FCP — 5V\/3A, 9V\/2A, 12V\/1.5A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMicro-USB Input:\u003c\/strong\u003e 5V\/2A, 9V\/2A, 12V\/1.5A\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eOutput Details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUSB-A Output:\u003c\/strong\u003e QC3.0 \/ QC2.0 \/ AFC \/ FCP \/ SCP — 5V\/3A, 9V\/2A, 12V\/1.5A, 10V\/2.25A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType-C Output:\u003c\/strong\u003e PD3.0 \/ PD2.0 \/ QC3.0 \/ QC2.0 \/ AFC \/ FCP \/ SCP — 5V\/3A, 9V\/2.2A, 12V\/1.5A, 10V\/2.25A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWireless Output:\u003c\/strong\u003e 15W Qi\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePower Bank Casing × 1\u003c\/li\u003e\n  \u003cli\u003e\u003cem\u003e18650 batteries are NOT included and must be purchased separately.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cp\u003eLooking to stay powered up and charged? Check out these related items from our store:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/ancient-nutrition-multi-collagen-advanced-muscle-60-capsules\"\u003eAncient Nutrition Multi Collagen Advanced Muscle 60 Capsules\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/bu-29mm-sinking-minnow-jerkbait-fishing-lure-bass-trout-pike\"\u003eB\u0026amp;U 29mm Sinking Minnow Jerkbait Lure – Bass Trout Pike\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Does the occkic P16 power bank case come with 18650 batteries included?\u003c\/h4\u003e\n\u003cp\u003eA: No, the 18650 batteries are not included. You will need to purchase 16 × 18650 cells separately and install them into the case to use it as a functional power bank.\u003c\/p\u003e\n\u003ch4\u003eQ: What fast charging protocols does the P16 power bank case support?\u003c\/h4\u003e\n\u003cp\u003eA: The P16 supports a wide range of fast charging protocols including QC3.0, QC2.0, AFC, FCP, SCP, PD3.0, and PD2.0, making it compatible with virtually all modern smartphones and USB-C devices.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I use the wireless charging and wired fast charging at the same time?\u003c\/h4\u003e\n\u003cp\u003eA: The case supports both 15W wireless Qi charging and 22.5W wired fast charging outputs. For optimal performance, it is recommended to use one primary output mode at a time.\u003c\/p\u003e\n\u003ch4\u003eQ: Is the built-in camping light useful for outdoor activities?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The integrated high-power LED torch function is ideal for camping, hiking, power outages, and other outdoor scenarios where portable illumination is needed alongside device charging.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Does the occkic P16 power bank case come with 18650 batteries included?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No, the 18650 batteries are not included. You will need to purchase 16 × 18650 cells separately and install them into the case to use it as a functional power bank.\"}}, {\"@type\": \"Question\", \"name\": \"What fast charging protocols does the P16 power bank case support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The P16 supports a wide range of fast charging protocols including QC3.0, QC2.0, AFC, FCP, SCP, PD3.0, and PD2.0, making it compatible with virtually all modern smartphones and USB-C devices.\"}}, {\"@type\": \"Question\", \"name\": \"Can I use the wireless charging and wired fast charging at the same time?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The case supports both 15W wireless Qi charging and 22.5W wired fast charging outputs. For optimal performance, it is recommended to use one primary output mode at a time.\"}}, {\"@type\": \"Question\", \"name\": \"Is the built-in camping light useful for outdoor activities?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. The integrated high-power LED torch function is ideal for camping, hiking, power outages, and other outdoor scenarios where portable illumination is needed alongside device charging.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"16×18650 Power Bank Case – 22.5W Fast \u0026 15W Wireless Charging\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/products\/16x18650-power-bank-case-22-5w-fast-charging-15w-wireless\"}]}\u003c\/script\u003e","brand":"P3","offers":[{"title":"WHITE","offer_id":67925682422041,"sku":"1005011524866496-WHITE","price":59.99,"currency_code":"USD","in_stock":true},{"title":"black","offer_id":67925682454809,"sku":"1005011524866496-black","price":58.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/A4f7529108d804318b80a403dd98036e7I.webp?v=1792921139"},{"product_id":"3-cell-18650-solderless-ups-power-box-5v-9v-12v-router","title":"3-Cell 18650 Solderless UPS Power Box – 5V 9V 12V Router","description":"\n\u003ch2\u003eKeep Your Router \u0026amp; Modem Online — Even During Power Outages\u003c\/h2\u003e\n\u003cp\u003eThe 3-Cell 18650 Solderless UPS Power Supply Box is a compact, battery-backed power solution engineered for routers, optical modems, and surveillance cameras. With automatic charge\/discharge management and multi-voltage output (5V, 9V, and 12V), this unit keeps your critical devices running without interruption — no soldering required.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSolderless Design:\u003c\/strong\u003e Tool-free battery installation and replacement. Simply slide in your 18650 flat-top cells and go.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTrue UPS Functionality:\u003c\/strong\u003e Automatic DC equalisation switches seamlessly between mains input and battery power — no manual intervention needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Voltage Output:\u003c\/strong\u003e Simultaneously supports 12V 3A (DC), 9V 1A (DC), and USB 5V 2–3A to power a wide range of networking and security devices.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComprehensive Protection Circuits:\u003c\/strong\u003e Overcharge protection (4.25V × 3 cells), undervoltage cutoff (2.75V × 3 cells), and overcurrent detection (0.1V ± 0.025V) for long-term safe operation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Operating Temperature:\u003c\/strong\u003e Rated from -20°C to 60°C, suitable for both indoor and outdoor enclosures.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Portable:\u003c\/strong\u003e Small form factor fits neatly alongside networking equipment without clutter.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRigorous Quality Control:\u003c\/strong\u003e Designed for long-term stable operation and extended service life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 × 3.7V cylindrical 18650 flat-top batteries (not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 3 × 3400mAh = 37Wh (user-supplied)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput (Independent)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12V 3A (DC), 9V 1A (DC), USB 5V 2–3A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUPS Input Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12–13V (recommended 12.7V; must not exceed 13V)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Regulation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUnregulated direct output; full charge 12.6V, low-voltage protection at 8V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDC Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 5.5mm × 2.1mm (positive inner, negative outer)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-20°C to 60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eImportant Usage Notes\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePolarity:\u003c\/strong\u003e The spring contacts the negative terminal; the copper plate contacts the positive terminal. Reverse insertion will damage the unit.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery Quality:\u003c\/strong\u003e Use high-quality batteries only. All three cells must be matched — identical brand, capacity, charge level, and internal resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlat-Top Cells Only:\u003c\/strong\u003e This unit accepts flat-top 18650 batteries only. Pointed-top cells exceeding 2mm in button height are not compatible.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdapter Sizing:\u003c\/strong\u003e Your input adapter must supply at least the combined load power plus 6W for internal battery charging. A higher-rated adapter improves stability.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Solderless 3-cell UPS battery case\u003c\/li\u003e\n  \u003cli\u003eBatteries NOT included — user must supply 3 × flat-top 18650 cells\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cp\u003eLooking to power up more of your setup? Explore these popular picks from our store:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/ancient-nutrition-multi-collagen-advanced-muscle-60-capsules\"\u003eAncient Nutrition Multi Collagen Advanced Muscle 60 Capsules\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/bu-29mm-sinking-minnow-jerkbait-fishing-lure-bass-trout-pike\"\u003eB\u0026amp;U 29mm Sinking Minnow Jerkbait Lure – Bass Trout Pike\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Do 18650 batteries come included with the UPS power supply box?\u003c\/h4\u003e\n\u003cp\u003eA: No, batteries are not included. You will need to supply 3 × flat-top 18650 lithium batteries (3.7V each). Ensure all three cells are from the same brand and have matching capacity and charge levels for safe and stable operation.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What devices is this UPS power supply box compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This solderless UPS box is specifically designed for optical modems, Wi-Fi routers, and surveillance cameras that operate on 5V, 9V, or 12V DC. It can independently output 12V 3A, 9V 1A, and USB 5V 2–3A simultaneously.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does this box switch automatically between mains power and battery backup?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The built-in DC equalisation UPS circuit manages charging and discharging automatically. When mains power is present, it charges the batteries while powering your devices. If mains power is interrupted, it switches to battery output seamlessly with no manual action required.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What input adapter do I need for the UPS function?\u003c\/h4\u003e\n\u003cp\u003eA: The input voltage must be in the 12–13V range; a 12.7V adapter is recommended. The adapter's power rating must be at least the total load power of your connected devices plus 6W for battery charging. A higher-wattage adapter provides greater stability.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Do 18650 batteries come included with the UPS power supply box?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No, batteries are not included. You will need to supply 3 × flat-top 18650 lithium batteries (3.7V each). Ensure all three cells are from the same brand and have matching capacity and charge levels for safe and stable operation.\"}}, {\"@type\": \"Question\", \"name\": \"What devices is this UPS power supply box compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This solderless UPS box is specifically designed for optical modems, Wi-Fi routers, and surveillance cameras that operate on 5V, 9V, or 12V DC. It can independently output 12V 3A, 9V 1A, and USB 5V 2–3A simultaneously.\"}}, {\"@type\": \"Question\", \"name\": \"Does this box switch automatically between mains power and battery backup?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The built-in DC equalisation UPS circuit manages charging and discharging automatically. When mains power is present, it charges the batteries while powering your devices. If mains power is interrupted, it switches to battery output seamlessly with no manual action required.\"}}, {\"@type\": \"Question\", \"name\": \"What input adapter do I need for the UPS function?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The input voltage must be in the 12–13V range; a 12.7V adapter is recommended. The adapter's power rating must be at least the total load power of your connected devices plus 6W for battery charging. A higher-wattage adapter provides greater stability.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"3-Cell 18650 Solderless UPS Power Box – 5V 9V 12V Router\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/products\/3-cell-18650-solderless-ups-power-supply-box-5v-9v-12v-router-modem\"}]}\u003c\/script\u003e","brand":"P3","offers":[{"title":"black","offer_id":67925703229721,"sku":"1005010471120799-black","price":26.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/S069e81086fb7488eb7ccbaa2ef24f839u.webp?v=1792921183"},{"product_id":"bms-10s-36v-30a-li-ion-battery-management-board-with-balancing","title":"BMS 10S 36V 30A Li-Ion Battery Management Board with Balancing","description":"\n\u003ch2\u003ediymore 10S 36V 30A Lithium-Ion Battery Management System (BMS) with Cell Balancing\u003c\/h2\u003e\n\u003cp\u003eKeep your lithium-ion battery pack running safely and efficiently with the \u003cstrong\u003ediymore 10S 36V 30A BMS Protection Board\u003c\/strong\u003e. Designed for 10-cell series lithium battery packs, this compact module delivers intelligent overcharge, over-discharge, overcurrent, and short-circuit protection — all in one reliable board. Its built-in active cell balancing circuit extends battery longevity and ensures each cell operates within its optimal voltage window.\u003c\/p\u003e\n\n\u003cp\u003eWhether you're building or upgrading an electric scooter, e-bike, power tool pack, or DIY energy storage system, this BMS module provides the protection and performance your project demands.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecise Cell Voltage Monitoring:\u003c\/strong\u003e Continuously tracks each cell's voltage for safe, stable operation across the entire pack.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Current Capability:\u003c\/strong\u003e Supports up to 30A maximum operating current and 20A continuous discharge current — ideal for demanding electric vehicle applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-In Cell Balancing:\u003c\/strong\u003e Equalisation circuit (balancing voltage: 4.2V) actively balances cells to extend battery life and maximise pack capacity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntelligent Temperature Protection:\u003c\/strong\u003e Automatically cuts off at discharge high temperature (75°C) and low charging temperature (−7°C) to prevent damage.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePremium Components:\u003c\/strong\u003e High-quality MOSFETs and capacitors ensure long-term reliability and low power dissipation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComprehensive Protection Suite:\u003c\/strong\u003e Overcharge, over-discharge, overcurrent, and output short-circuit protection all built in.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConfiguration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10S (10 cells in series)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCharging Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 36V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Operating Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30A MAX\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eContinuous Discharge Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20A MAX\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCharging Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20A MAX\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOvercharge Protection Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.25V (per cell)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOver-Discharge Protection Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.6V (per cell)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEqualisation (Balancing) Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.2V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Protection (Discharge)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh temp cutoff at 75°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Protection (Charging)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLow temp cutoff at −7°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Battery Types\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.7V ternary lithium, lithium cobalt oxide, lithium manganese oxide\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTQFP Module\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBrand New\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eWiring Guide\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRibbon Cable to Cells:\u003c\/strong\u003e Connect the ribbon cable to each cell in the battery pack. Ensure the potential sequence at the plug end is either sequentially increasing or decreasing and matches the socket sequence on the protection board (one-to-one correspondence).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eB− Lead:\u003c\/strong\u003e Solder the protection board's B− lead to the battery pack's common negative (B−) terminal. The solder joint must be secure with good electrical conductivity. Route wires smoothly and as short as possible, avoiding any risk of crushing or friction.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRibbon Cable Connection:\u003c\/strong\u003e After completing the B− soldering, connect the ribbon cable plug to the board socket. Ensure no live objects or loose leads contact the board, and secure the connection appropriately.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCharge\/Discharge Interface:\u003c\/strong\u003e Connect B+ and C− to the positive and negative terminals of the charging interface respectively. Isolate all other leads during soldering to prevent short circuits. Verify that the discharge and charging interface voltages, polarity, and wiring positions are correct.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cem\u003eNote: This board uses a single shared port for both charging and discharging with a common C− negative terminal — only one negative lead is required. Charging and discharging MOSFETs are paired, and currents through the shared port are equal in magnitude.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Lithium battery protection board (BMS)\u003c\/li\u003e\n  \u003cli\u003e1 × Data cable (ribbon cable)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cp\u003eExplore more components and accessories in our store:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/ancient-nutrition-multi-collagen-advanced-muscle-60-capsules\"\u003eAncient Nutrition Multi Collagen Advanced Muscle 60 Capsules\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/bu-sinking-minnow-lure-29mm-2-8g-bass-pike-trout-wobbler\"\u003eB\u0026amp;U Sinking Minnow Lure 29mm 2.8g – Bass Pike Trout Wobbler\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003ch4\u003eQ: What battery types are compatible with this 10S 36V BMS board?\u003c\/h4\u003e\n\u003cp\u003eA: This BMS is compatible with 3.7V lithium-ion cell chemistries including ternary lithium (NMC), lithium cobalt oxide (LCO), and lithium manganese oxide (LMO) batteries arranged in a 10-cell series (10S) configuration to produce a 36V pack.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does this BMS support both charging and discharging through the same port?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. This board uses a common-port design where charging and discharging share the same C− negative terminal. Only a single negative lead is required, which simplifies wiring. The paired MOSFETs handle both charging and discharging currents equally through this shared port.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What protections does this 36V 30A BMS provide?\u003c\/h4\u003e\n\u003cp\u003eA: The board provides overcharge protection (cutoff at 4.25V per cell), over-discharge protection (cutoff at 2.6V per cell), overcurrent protection (max 30A), output short-circuit protection, and dual temperature protection (discharge cutoff at 75°C high temperature; charging cutoff at −7°C low temperature). The built-in cell balancing circuit (equalisation at 4.2V) also helps maintain uniform cell voltage across the pack.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the maximum continuous discharge current for this BMS?\u003c\/h4\u003e\n\u003cp\u003eA: The board supports a maximum continuous discharge current of 20A, with peak operation up to 30A. This makes it well-suited for electric scooters, e-bikes, and other high-draw electric vehicle applications.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What battery types are compatible with this 10S 36V BMS board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This BMS is compatible with 3.7V lithium-ion cell chemistries including ternary lithium (NMC), lithium cobalt oxide (LCO), and lithium manganese oxide (LMO) batteries arranged in a 10-cell series (10S) configuration to produce a 36V pack.\"}}, {\"@type\": \"Question\", \"name\": \"Does this BMS support both charging and discharging through the same port?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. This board uses a common-port design where charging and discharging share the same C− negative terminal. Only a single negative lead is required, which simplifies wiring. The paired MOSFETs handle both charging and discharging currents equally through this shared port.\"}}, {\"@type\": \"Question\", \"name\": \"What protections does this 36V 30A BMS provide?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The board provides overcharge protection (cutoff at 4.25V per cell), over-discharge protection (cutoff at 2.6V per cell), overcurrent protection (max 30A), output short-circuit protection, and dual temperature protection (discharge cutoff at 75°C high temperature; charging cutoff at −7°C low temperature). The built-in cell balancing circuit (equalisation at 4.2V) also helps maintain uniform cell voltage across the pack.\"}}, {\"@type\": \"Question\", \"name\": \"What is the maximum continuous discharge current for this BMS?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The board supports a maximum continuous discharge current of 20A, with peak operation up to 30A. This makes it well-suited for electric scooters, e-bikes, and other high-draw electric vehicle applications.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"BMS 10S 36V 30A Li-Ion Battery Management Board with Balancing\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/products\/bms-10s-36v-30a-lithium-ion-battery-management-board-balancing\"}]}\u003c\/script\u003e","brand":"P3","offers":[{"title":"Same Port","offer_id":67926119317785,"sku":"1005012435932238-Same Port","price":30.64,"currency_code":"USD","in_stock":true},{"title":"Separate Mouths","offer_id":67926119350553,"sku":"1005012435932238-Separate Mouths","price":30.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/S3d195a46c286435a802b2046b1863318o.webp?v=1792922717"},{"product_id":"occkic-22-5w-fast-charging-power-bank-case-2-21700-diy","title":"occkic 22.5W Fast-Charging Power Bank Case | 2×21700 DIY","description":"\n\u003ch2\u003eocckic 22.5W Dual-Mode Fast-Charging Power Bank Case for 2×21700 Batteries\u003c\/h2\u003e\n\u003cp\u003eTake full control of your portable charging setup with the \u003cstrong\u003eocckic 22.5W DIY Power Bank Case\u003c\/strong\u003e. Designed to house two flat-top 21700 lithium-ion batteries (not included), this smartly engineered charging shell delivers up to \u003cstrong\u003e22.5W of fast-charging power\u003c\/strong\u003e through its versatile Type-C port — keeping your smartphones, earbuds, and other devices topped up wherever you go.\u003c\/p\u003e\n\n\u003cp\u003eWith a \u003cstrong\u003edual-mode output\u003c\/strong\u003e, you can switch between standard and low-current modes, making it fully compatible with both high-powered devices and sensitive low-power gadgets. The one-touch battery ejection mechanism means swapping cells is effortless — no tools, no fuss, just a quick press and you're back in action.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e22.5W Maximum Fast Charging:\u003c\/strong\u003e Input \u0026amp; output via Type-C at 5V\/4.5A, 9V\/2A, or 12V\/1.5A for rapid, efficient charging.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFits 2× Flat-Top 21700 Batteries:\u003c\/strong\u003e Extra-large cell compartment for maximum portable capacity — batteries not included, giving you the freedom to choose your preferred brand and capacity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual-Mode Output:\u003c\/strong\u003e Standard mode for fast-charging compatible devices; low-current mode protects and prolongs battery life for sensitive electronics.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOne-Touch Ejection Design:\u003c\/strong\u003e Detachable battery compartment with quick-release mechanism for fast, hassle-free cell swaps.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual-Port Fast-Charging Cable Included:\u003c\/strong\u003e The bundled cable doubles as a convenient lanyard so it's always within reach.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRated Conversion Efficiency:\u003c\/strong\u003e 60% rated efficiency with capacity output that scales with the batteries you choose.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFlat-top 21700 (not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e22.5W\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput (Type-C)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V\/4.5A · 9V\/2A · 12V\/1.5A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput (Type-C)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V\/4.5A · 9V\/2A · 12V\/1.5A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Efficiency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e60%\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Slots\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 × 21700 flat-top cells\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Modes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard + Low-Current\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDIY Fast-Charging Power Bank Case ×1 (batteries not included)\u003c\/li\u003e\n  \u003cli\u003eDual-port fast-charging cable \/ lanyard ×1\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eMade in Mainland China.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eYou Might Also Like\u003c\/h3\u003e\n\u003cp\u003eLooking for more accessories and lifestyle essentials? Check out our \u003ca href=\"\/products\/ancient-nutrition-multi-collagen-advanced-muscle-60-capsules\"\u003eAncient Nutrition Multi Collagen Advanced Muscle 60 Capsules\u003c\/a\u003e for on-the-go wellness, or explore our \u003ca href=\"\/products\/womens-high-waist-elastic-skinny-jeans-slim-stretch-denim-pants\"\u003eWomen's High-Waist Elastic Skinny Jeans\u003c\/a\u003e to complete your carry-everywhere everyday look.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Does the occkic 22.5W power bank case come with 21700 batteries included?\u003c\/h4\u003e\n\u003cp\u003eA: No — the DIY power bank case is sold without batteries so you can choose the flat-top 21700 cells that best suit your capacity needs. Simply insert two flat-top 21700 lithium-ion batteries and you're ready to charge.\u003c\/p\u003e\n\u003ch4\u003eQ: What devices can I charge with the dual-mode output?\u003c\/h4\u003e\n\u003cp\u003eA: The standard mode supports fast-charging-compatible smartphones, tablets, and earbuds at up to 22.5W. The low-current mode is optimised for sensitive, low-power devices such as wireless earphones, smartwatches, and small electronics that require a gentler charge.\u003c\/p\u003e\n\u003ch4\u003eQ: What does the Type-C input specification mean for recharging the power bank itself?\u003c\/h4\u003e\n\u003cp\u003eA: You can recharge the battery case via its Type-C port using a compatible 5V\/4.5A, 9V\/2A, or 12V\/1.5A adapter (not included). Using a higher-wattage adapter within these specs will refill the cells faster so you're back to full capacity in less time.\u003c\/p\u003e\n\u003ch4\u003eQ: How do I switch between standard and low-current output modes?\u003c\/h4\u003e\n\u003cp\u003eA: The dual-mode switching is handled directly on the device. Refer to the included quick-start guide for the specific button sequence to toggle between standard fast-charging mode and low-current mode for sensitive devices.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Does the occkic 22.5W power bank case come with 21700 batteries included?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No — the DIY power bank case is sold without batteries so you can choose the flat-top 21700 cells that best suit your capacity needs. Simply insert two flat-top 21700 lithium-ion batteries and you're ready to charge.\"}}, {\"@type\": \"Question\", \"name\": \"What devices can I charge with the dual-mode output?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The standard mode supports fast-charging-compatible smartphones, tablets, and earbuds at up to 22.5W. The low-current mode is optimised for sensitive, low-power devices such as wireless earphones, smartwatches, and small electronics that require a gentler charge.\"}}, {\"@type\": \"Question\", \"name\": \"What does the Type-C input specification mean for recharging the power bank itself?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"You can recharge the battery case via its Type-C port using a compatible 5V\/4.5A, 9V\/2A, or 12V\/1.5A adapter (not included). Using a higher-wattage adapter within these specs will refill the cells faster so you're back to full capacity in less time.\"}}, {\"@type\": \"Question\", \"name\": \"How do I switch between standard and low-current output modes?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The dual-mode switching is handled directly on the device. Refer to the included quick-start guide for the specific button sequence to toggle between standard fast-charging mode and low-current mode for sensitive devices.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"occkic 22.5W Fast-Charging Power Bank Case | 2×21700 DIY\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/products\/occkic-22-5w-fast-charging-power-bank-case-2x21700-diy\"}]}\u003c\/script\u003e","brand":"P3","offers":[{"title":"Grey","offer_id":67926123053337,"sku":"1005011933984704-Grey","price":36.4,"currency_code":"USD","in_stock":true},{"title":"White","offer_id":67926123086105,"sku":"1005011933984704-White","price":36.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/A7f4dff2bc7384f4697a3874026fc56b9t.webp?v=1792922726"},{"product_id":"usb-c-to-balance-connector-cable-for-1s-hobby-batteries-p3","title":"USB-C to Balance Connector Cable for 1S Hobby Batteries | P3","description":"\n\u003ch2\u003eUSB-C to Balance Connector Power Adapter Cable for 1S Hobby Batteries\u003c\/h2\u003e\n\u003cp\u003ePower up your 1S hobby battery projects with ease using this compact USB-C Balance Connector Power Cable. Designed for makers, RC hobbyists, and electronics enthusiasts, this short adapter cable bridges a USB Type-C power source to a balance connector — enabling both charging setups and steady power delivery to supported 1S battery configurations.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual-Purpose Connectivity:\u003c\/strong\u003e Links a USB Type-C port and a balance connector in one cable, supporting both charging setups and power-supply functions for 1S hobby battery projects.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSide-Exit USB-C End:\u003c\/strong\u003e The Type-C connector exits from the side of the housing for low-profile, space-saving placement — ideal for compact builds and tight enclosures.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable PVC Construction:\u003c\/strong\u003e A sturdy PVC outer sleeve protects the internal red and black wires, while distinct connector housings make it easy to identify each end at a glance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Length:\u003c\/strong\u003e At just 13.7 cm (5.4 inches \/ 0.2 M), this cable keeps your project neat and clutter-free without unnecessary slack.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClear Color Coding:\u003c\/strong\u003e Red and black wire coloring follows standard polarity conventions, reducing connection errors during setup.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt for 1S Projects:\u003c\/strong\u003e Perfectly suited for RC models, small drones, DIY electronics, and any 1S LiPo or similar hobby battery application requiring a balance connector interface.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eComponent Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolymer \/ PVC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCable Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13.7 cm \/ 5.4 inches (0.2 M)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUSB Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSB Type-C (Standard)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnector Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSB-C + Balance Connector\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Piece\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × USB-C to Balance Connector Power Adapter Cable\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePlease allow ±1–2 cm tolerance due to manual measurement.\u003c\/li\u003e\n  \u003cli\u003eActual color may vary slightly from product images due to differences in monitor calibration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cp\u003eLooking to expand your hobby or DIY setup? Check out these related items from our store:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/ancient-nutrition-multi-collagen-advanced-muscle-60-capsules\"\u003eAncient Nutrition Multi Collagen Advanced Muscle 60 Capsules\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/bu-29mm-sinking-minnow-jerkbait-fishing-lure-bass-trout-pike\"\u003eB\u0026amp;U 29mm Sinking Minnow Jerkbait Lure – Bass Trout Pike\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What battery type is this USB-C balance connector cable compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This cable is designed for 1S hobby battery setups — typically 1-cell LiPo or similar single-cell batteries used in RC models, small drones, and DIY electronics projects that use a balance connector for charging or power delivery.\u003c\/p\u003e\n\u003ch4\u003eQ: Does the side-exit USB-C connector work with standard USB-C chargers and power banks?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The side-exit USB-C end is a standard USB Type-C connector and is compatible with standard USB-C power sources, including chargers and power banks that support the required voltage and current for your 1S battery setup.\u003c\/p\u003e\n\u003ch4\u003eQ: How long is the cable and is it long enough for typical hobby projects?\u003c\/h4\u003e\n\u003cp\u003eA: The cable measures 13.7 cm (approximately 5.4 inches \/ 0.2 M). This compact length is intentionally designed for short-run connections within hobby builds, RC models, or compact enclosures where a full-length cable would create unnecessary slack.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What battery type is this USB-C balance connector cable compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This cable is designed for 1S hobby battery setups — typically 1-cell LiPo or similar single-cell batteries used in RC models, small drones, and DIY electronics projects that use a balance connector for charging or power delivery.\"}}, {\"@type\": \"Question\", \"name\": \"Does the side-exit USB-C connector work with standard USB-C chargers and power banks?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The side-exit USB-C end is a standard USB Type-C connector and is compatible with standard USB-C power sources, including chargers and power banks that support the required voltage and current for your 1S battery setup.\"}}, {\"@type\": \"Question\", \"name\": \"How long is the cable and is it long enough for typical hobby projects?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The cable measures 13.7 cm (approximately 5.4 inches \/ 0.2 M). This compact length is intentionally designed for short-run connections within hobby builds, RC models, or compact enclosures where a full-length cable would create unnecessary slack.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"USB-C to Balance Connector Cable for 1S Hobby Batteries | P3\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/products\/usb-c-balance-connector-power-cable-1s-hobby-battery\"}]}\u003c\/script\u003e","brand":"P3","offers":[{"title":"CN","offer_id":67926833004825,"sku":"1005013115019966-CN","price":83.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/S69918bc355d54c0785e6e6ad5e237bc60.webp?v=1792925731"},{"product_id":"18650-battery-case-8-slot-solderless-enclosure-with-display-window","title":"18650 Battery Case 8-Slot Solderless Enclosure with Display Window","description":"\n\u003ch2\u003e18650 Battery Case – 8-Slot Solderless Enclosure with Display Window\u003c\/h2\u003e\n\u003cp\u003eKeep your 18650 cells organized and ready to go with this compact, solderless 8-slot battery storage enclosure. Designed for everyday carry, travel kits, camping gear, and home workshop setups, this sturdy ABS shell makes battery management effortless — no tools, no soldering, no hassle. Available in Black, White, Blue, and Pink.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSolderless Setup:\u003c\/strong\u003e Build a fully functional removable-cell storage case with zero soldering required — perfect for beginners and seasoned hobbyists alike.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e8-Slot Organized Layout:\u003c\/strong\u003e Neatly arranges up to 8 × 18650 cells side by side, making it easy to plan, store, and access your backup power supply at a glance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisplay Window:\u003c\/strong\u003e A clear top window panel provides instant visibility into your cells, so you can quickly check your battery stock during setup, storage, or daily carry.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePortable Textured Shell:\u003c\/strong\u003e The ergonomic, grip-friendly enclosure is easy to hold and pack, making it ideal for commuting, camping, or keeping organized in a drawer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBatteries NOT Included:\u003c\/strong\u003e The enclosure arrives without cells, giving you the freedom to select your preferred 18650 batteries for a fully customized build.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eABS Plastic\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack \/ White \/ Blue \/ Pink\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 17.20 × 7.90 × 2.30 cm (6.77 × 3.11 × 0.91 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Slots\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8 × 18650 (Batteries Not Included)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Set\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 8-Slot 18650 Battery Storage Enclosure\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePlease Note\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAllow ±1–2 cm variance due to manual measurement.\u003c\/li\u003e\n  \u003cli\u003eColors may vary slightly depending on your screen's display settings.\u003c\/li\u003e\n  \u003cli\u003eBatteries (18650 cells) are \u003cstrong\u003enot included\u003c\/strong\u003e and must be purchased separately.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eShop More Electronics Essentials\u003c\/h3\u003e\n\u003cp\u003eLooking to power up your projects? Check out these related items in our store:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/ancient-nutrition-multi-collagen-advanced-muscle-60-capsules\"\u003eAncient Nutrition Multi Collagen Advanced Muscle 60 Capsules\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/bu-sinking-minnow-lure-29mm-2-8g-bass-pike-trout-wobbler\"\u003eB\u0026amp;U Sinking Minnow Lure 29mm 2.8g – Bass Pike Trout Wobbler\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Does the 18650 battery case require any soldering or tools to assemble?\u003c\/h4\u003e\n\u003cp\u003eA: No — the 18650 battery case features a fully solderless design. Simply slide your 18650 cells into the 8 slots and you're ready to go. No soldering iron, wiring, or special tools are needed, making it a great option for DIY beginners and experienced hobbyists alike.\u003c\/p\u003e\n\u003ch4\u003eQ: Are 18650 batteries included with the enclosure?\u003c\/h4\u003e\n\u003cp\u003eA: Batteries are not included. The package contains the enclosure shell only (1 set), allowing you to choose whichever 18650 cells best suit your needs. This keeps the build flexible and cost-effective for your specific setup.\u003c\/p\u003e\n\u003ch4\u003eQ: What colors and sizes is this battery storage case available in?\u003c\/h4\u003e\n\u003cp\u003eA: The case is available in four colors — Black, White, Blue, and Pink. It measures approximately 17.20 × 7.90 × 2.30 cm (6.77 × 3.11 × 0.91 inches), making it slim and compact enough for drawer storage, travel kits, backpacks, and camping gear.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the display window on the battery case for?\u003c\/h4\u003e\n\u003cp\u003eA: The display window is a clear panel on the top of the enclosure that lets you see your 18650 cells at a glance — no need to open the case to check how many batteries you have or confirm they are seated correctly. It's especially useful during travel or field use.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Does the 18650 battery case require any soldering or tools to assemble?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No — the 18650 battery case features a fully solderless design. Simply slide your 18650 cells into the 8 slots and you're ready to go. No soldering iron, wiring, or special tools are needed, making it a great option for DIY beginners and experienced hobbyists alike.\"}}, {\"@type\": \"Question\", \"name\": \"Are 18650 batteries included with the enclosure?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Batteries are not included. 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It's especially useful during travel or field use.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"18650 Battery Case 8-Slot Solderless Enclosure with Display Window\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/products\/18650-battery-case-8-slot-solderless-enclosure-display-window\"}]}\u003c\/script\u003e","brand":"P3","offers":[{"title":"Pink \/ CN","offer_id":67926879240473,"sku":"1005012879338401-Pink-CN","price":17.2,"currency_code":"USD","in_stock":true},{"title":"Black \/ CN","offer_id":67926879273241,"sku":"1005012879338401-Black-CN","price":17.2,"currency_code":"USD","in_stock":true},{"title":"Blue \/ CN","offer_id":67926879306009,"sku":"1005012879338401-Blue-CN","price":17.2,"currency_code":"USD","in_stock":true},{"title":"White \/ CN","offer_id":67926879338777,"sku":"1005012879338401-White-CN","price":17.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/Sda9b1f88857e42feac2e361760ace1f4T.webp?v=1792925909"},{"product_id":"18650-battery-case-8-slot-solderless-enclosure-display-window","title":"18650 Battery Case 8-Slot Solderless Enclosure Display Window","description":"\n\u003ch2\u003e18650 Battery Case – 8-Slot Solderless Enclosure with Display Window\u003c\/h2\u003e\n\u003cp\u003eKeep your 18650 cells organized, protected, and ready to go with this compact 8-slot battery storage case. Designed for a clean, solderless build, this enclosure is ideal for travel kits, home projects, camping setups, and everyday drawer storage. The built-in display window lets you check battery status at a glance, while the textured ABS shell ensures a confident grip wherever you take it.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSolderless Setup:\u003c\/strong\u003e No soldering required — build your removable-cell storage case quickly and cleanly, perfect for DIY enthusiasts and first-time builders alike.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e8-Slot Organized Layout:\u003c\/strong\u003e Neatly accommodates 8 x 18650 cells in a shared structure, keeping batteries sorted and ready for backup charging or routine carry.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-In Display Window:\u003c\/strong\u003e A clear top window provides easy battery readout visibility during setup, storage, or on-the-go use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePortable \u0026amp; Grippy Shell:\u003c\/strong\u003e The textured enclosure is designed for comfortable handling and easy packing — great for commuting, camping, or workbench storage.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBatteries Sold Separately:\u003c\/strong\u003e The case arrives without cells, letting you choose your preferred 18650 batteries to suit your specific needs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eABS Plastic\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColors Available\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack, White, Blue, Pink\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 17.20 × 7.90 × 2.30 cm \/ 6.77 × 3.11 × 0.91 in\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Slots\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8 Slots (Batteries NOT Included)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Set\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 8-Slot 18650 Battery Storage Case\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePlease allow ±1–2 cm variance due to manual measurement.\u003c\/li\u003e\n  \u003cli\u003eActual color may vary slightly from product images due to monitor differences.\u003c\/li\u003e\n  \u003cli\u003eBatteries are \u003cstrong\u003enot included\u003c\/strong\u003e — purchase your preferred 18650 cells separately.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cp\u003eExplore more products from our store:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/ancient-nutrition-multi-collagen-advanced-muscle-60-capsules\"\u003eAncient Nutrition Multi Collagen Advanced Muscle 60 Capsules\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/bu-29mm-sinking-minnow-jerkbait-fishing-lure-bass-trout-pike\"\u003eB\u0026amp;U 29mm Sinking Minnow Jerkbait Lure – Bass Trout Pike\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Does this 18650 battery case require soldering to assemble?\u003c\/h4\u003e\n\u003cp\u003eA: No — this enclosure features a fully solderless design, making it easy to set up without any tools or soldering equipment. Simply slot in your preferred 18650 cells and you're ready to go.\u003c\/p\u003e\n\u003ch4\u003eQ: Are batteries included with this 18650 storage case?\u003c\/h4\u003e\n\u003cp\u003eA: Batteries are sold separately. The case is designed to hold 8 standard 18650 cells, but it ships as the enclosure only so you can select the cells that best fit your project or device requirements.\u003c\/p\u003e\n\u003ch4\u003eQ: What materials is the battery enclosure made from?\u003c\/h4\u003e\n\u003cp\u003eA: The case is constructed from durable ABS plastic, offering a lightweight yet sturdy shell with a textured grip surface. It is available in Black, White, Blue, and Pink color options.\u003c\/p\u003e\n\u003ch4\u003eQ: What are the dimensions of this 8-slot 18650 battery case?\u003c\/h4\u003e\n\u003cp\u003eA: The case measures approximately 17.20 × 7.90 × 2.30 cm (6.77 × 3.11 × 0.91 inches), making it compact enough for travel kits, tool drawers, camping packs, and desktop organizers.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Does this 18650 battery case require soldering to assemble?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No — this enclosure features a fully solderless design, making it easy to set up without any tools or soldering equipment. Simply slot in your preferred 18650 cells and you're ready to go.\"}}, {\"@type\": \"Question\", \"name\": \"Are batteries included with this 18650 storage case?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Batteries are sold separately. The case is designed to hold 8 standard 18650 cells, but it ships as the enclosure only so you can select the cells that best fit your project or device requirements.\"}}, {\"@type\": \"Question\", \"name\": \"What materials is the battery enclosure made from?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The case is constructed from durable ABS plastic, offering a lightweight yet sturdy shell with a textured grip surface. It is available in Black, White, Blue, and Pink color options.\"}}, {\"@type\": \"Question\", \"name\": \"What are the dimensions of this 8-slot 18650 battery case?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The case measures approximately 17.20 × 7.90 × 2.30 cm (6.77 × 3.11 × 0.91 inches), making it compact enough for travel kits, tool drawers, camping packs, and desktop organizers.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"18650 Battery Case 8-Slot Solderless Enclosure Display Window\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/products\/18650-battery-case-8-slot-solderless-enclosure-display-window\"}]}\u003c\/script\u003e","brand":"P3","offers":[{"title":"Pink \/ CN","offer_id":67926895853849,"sku":"1005012879338401-Pink-CN","price":17.2,"currency_code":"USD","in_stock":true},{"title":"Black \/ CN","offer_id":67926895886617,"sku":"1005012879338401-Black-CN","price":17.2,"currency_code":"USD","in_stock":true},{"title":"Blue \/ CN","offer_id":67926895919385,"sku":"1005012879338401-Blue-CN","price":17.2,"currency_code":"USD","in_stock":true},{"title":"White \/ CN","offer_id":67926895952153,"sku":"1005012879338401-White-CN","price":17.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/Sda9b1f88857e42feac2e361760ace1f4T_c1edb9c8-aa34-48da-a0bd-ad16d3dc9310.webp?v=1792925984"},{"product_id":"beyondsky-4-2v-battery-charging-board-type-c-usb-0-5a-2-pack","title":"BEYONDSKY 4.2V Battery Charging Board Type-C USB 0.5A – 2 Pack","description":"\n\u003ch2\u003eBEYONDSKY 4.2V Battery Charging Board – Type-C USB, 0.5A Output (2-Pack)\u003c\/h2\u003e\n\u003cp\u003eKeep your lithium batteries charged safely and efficiently with the BEYONDSKY 4.2V Battery Charging Board. This compact 2-pack solution delivers precise 4.2V charging via a Type-C USB connection, making it ideal for DIY electronics, hobbyist projects, and everyday consumer devices like smartphones and tablets. Lightweight and portable, these boards are built with robust safety features to protect your batteries and your devices.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecise Voltage Control:\u003c\/strong\u003e Advanced 4.2V charging technology maintains stable output, preventing battery damage caused by overcharging.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEfficient Heat Dissipation:\u003c\/strong\u003e PVC construction with excellent thermal conductivity keeps the board cool during operation, ensuring long-lasting performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBroad Compatibility:\u003c\/strong\u003e Supports a wide range of 4.2V lithium battery types, suitable for smartphones, tablets, and various consumer electronics.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConvenient \u0026amp; Portable:\u003c\/strong\u003e Ultra-lightweight and compact design fits easily in a bag or toolkit — perfect for travel, fieldwork, or on-the-go projects.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-In Safety Protections:\u003c\/strong\u003e Integrated overcurrent and short-circuit protection mechanisms keep charging operations secure and reliable.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBEYONDSKY\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.2V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.5A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eType-C USB (5–20V DC)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePVC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 pieces per pack\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2 × 4.2V 0.5A Battery Charging Board (Type-C USB)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePlease allow 1–2 cm variance due to manual measurement.\u003c\/li\u003e\n  \u003cli\u003eSlight color differences may occur due to varying display resolutions.\u003c\/li\u003e\n  \u003cli\u003eBattery not included.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eYou Might Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/ancient-nutrition-multi-collagen-advanced-muscle-60-capsules\"\u003eAncient Nutrition Multi Collagen Advanced Muscle 60 Capsules\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/bu-29mm-sinking-minnow-jerkbait-fishing-lure-bass-trout-pike\"\u003eB\u0026amp;U 29mm Sinking Minnow Jerkbait Lure – Bass Trout Pike\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What type of batteries is this 4.2V charging board compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: The BEYONDSKY 4.2V Battery Charging Board is designed for lithium-ion and lithium polymer batteries that require a 4.2V charge voltage. It is broadly compatible with battery types found in smartphones, tablets, and a variety of consumer electronic devices.\u003c\/p\u003e\n\u003ch4\u003eQ: What input connection does this charging board use?\u003c\/h4\u003e\n\u003cp\u003eA: This charging board uses a Type-C USB input, supporting an input voltage range of 5–20V DC, making it easy to power from standard USB chargers, power banks, and other common USB sources.\u003c\/p\u003e\n\u003ch4\u003eQ: Does this charging board include any safety protections?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The board features built-in overcurrent and short-circuit protection to help safeguard both the board and the battery during charging, giving you a more secure and reliable charging experience.\u003c\/p\u003e\n\u003ch4\u003eQ: How many charging boards are included in one order?\u003c\/h4\u003e\n\u003cp\u003eA: Each purchase includes 2 pieces of the 4.2V 0.5A Battery Charging Board, providing excellent value for hobbyists, engineers, or anyone needing a backup board.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What type of batteries is this 4.2V charging board compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The BEYONDSKY 4.2V Battery Charging Board is designed for lithium-ion and lithium polymer batteries that require a 4.2V charge voltage. It is broadly compatible with battery types found in smartphones, tablets, and a variety of consumer electronic devices.\"}}, {\"@type\": \"Question\", \"name\": \"What input connection does this charging board use?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This charging board uses a Type-C USB input, supporting an input voltage range of 5–20V DC, making it easy to power from standard USB chargers, power banks, and other common USB sources.\"}}, {\"@type\": \"Question\", \"name\": \"Does this charging board include any safety protections?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The board features built-in overcurrent and short-circuit protection to help safeguard both the board and the battery during charging, giving you a more secure and reliable charging experience.\"}}, {\"@type\": \"Question\", \"name\": \"How many charging boards are included in one order?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Each purchase includes 2 pieces of the 4.2V 0.5A Battery Charging Board, providing excellent value for hobbyists, engineers, or anyone needing a backup board.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"BEYONDSKY 4.2V Battery Charging Board Type-C USB 0.5A – 2 Pack\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/products\/beyondsky-4-2v-battery-charging-board-type-c-usb-0-5a-2-pack\"}]}\u003c\/script\u003e","brand":"P3","offers":[{"title":"China Mainland","offer_id":67926968860953,"sku":"1005010231404806-China Mainland","price":9.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/S604606add7944008a80b22e6111f7c7cZ.webp?v=1792926298"},{"product_id":"5-slot-18650-battery-power-bank-case-no-weld-diy-kit","title":"5-Slot 18650 Battery Power Bank Case – No-Weld DIY Kit","description":"\u003cp\u003eBuild your own high-capacity portable charger in minutes with this \u003cstrong\u003e5-Slot 18650 Battery Power Bank Case\u003c\/strong\u003e. Designed for electronics hobbyists, outdoor adventurers, and everyday users, this compact plastic enclosure holds five 18650 cells and requires absolutely no soldering or special tools — just snap in your batteries and you're ready to charge.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTool-Free Assembly:\u003c\/strong\u003e Pre-configured battery slots let you build a portable charging pack in minutes — no welding, no soldering required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e5-Cell Capacity:\u003c\/strong\u003e Accommodates five standard 18650 lithium batteries for a high-capacity, customizable power solution.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Strength Plastic Shell:\u003c\/strong\u003e Impact-resistant, lightweight plastic construction keeps your build compact and travel-friendly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUSB Output (5V 2.1A):\u003c\/strong\u003e Fast-charging USB output supports most smartphones, tablets, and USB-powered devices.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUSB Input (5V 1.5A):\u003c\/strong\u003e Convenient recharging via standard USB input.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNon-Detachable, No-Weld Design:\u003c\/strong\u003e Secure, stable construction that holds batteries firmly in place during use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePocket-Friendly Form Factor:\u003c\/strong\u003e Slim and lightweight — perfect for outdoor trips, travel emergencies, or daily carry.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh-Strength Plastic\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Slots\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 × 18650\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V \/ 1.5A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V \/ 2.1A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDesign\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNon-Detachable, No-Weld\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Battery Holder Case (batteries not included)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePerfect For\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eDIY electronics projects and hobbyists\u003c\/li\u003e\n  \u003cli\u003eOutdoor adventures, hiking, and camping\u003c\/li\u003e\n  \u003cli\u003eEmergency travel power backup\u003c\/li\u003e\n  \u003cli\u003eDaily smartphone and device charging on the go\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLooking for more DIY power and electronics accessories? You might also enjoy browsing our other popular products like the \u003ca href=\"\/products\/ancient-nutrition-multi-collagen-advanced-muscle-60-capsules\"\u003eAncient Nutrition Multi Collagen Advanced Muscle 60 Capsules\u003c\/a\u003e. For those who love outdoor adventures, check out the \u003ca href=\"\/products\/bu-29mm-sinking-minnow-jerkbait-fishing-lure-bass-trout-pike\"\u003eB\u0026amp;U 29mm Sinking Minnow Jerkbait Lure – Bass Trout Pike\u003c\/a\u003e to gear up for your next trip.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Please allow 0–1 cm variation due to manual measurement. Colors may vary slightly from screen to screen due to monitor differences. Batteries are NOT included.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Do I need any tools or soldering equipment to assemble this 18650 power bank case?\u003c\/h4\u003e\n\u003cp\u003eA: No tools or soldering are required at all. This 18650 battery power bank case features a tool-free, no-weld design — simply insert your five 18650 batteries into the pre-configured slots and connect the leads to have a working portable charger ready in minutes.\u003c\/p\u003e\n\u003ch4\u003eQ: Are 18650 batteries included with this power bank case?\u003c\/h4\u003e\n\u003cp\u003eA: No, 18650 batteries are not included. The package contains one battery holder case only. You will need to source five compatible 18650 lithium batteries separately to complete your DIY power bank build.\u003c\/p\u003e\n\u003ch4\u003eQ: What devices can I charge with this 5-slot 18650 power bank case?\u003c\/h4\u003e\n\u003cp\u003eA: This case outputs 5V at 2.1A via USB, making it compatible with most smartphones, tablets, Bluetooth earbuds, small fans, and other standard USB-powered devices. The 2.1A output supports faster charging for many modern devices.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Do I need any tools or soldering equipment to assemble this 18650 power bank case?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No tools or soldering are required at all. This 18650 battery power bank case features a tool-free, no-weld design — simply insert your five 18650 batteries into the pre-configured slots and connect the leads to have a working portable charger ready in minutes.\"}}, {\"@type\": \"Question\", \"name\": \"Are 18650 batteries included with this power bank case?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No, 18650 batteries are not included. The package contains one battery holder case only. You will need to source five compatible 18650 lithium batteries separately to complete your DIY power bank build.\"}}, {\"@type\": \"Question\", \"name\": \"What devices can I charge with this 5-slot 18650 power bank case?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This case outputs 5V at 2.1A via USB, making it compatible with most smartphones, tablets, Bluetooth earbuds, small fans, and other standard USB-powered devices. The 2.1A output supports faster charging for many modern devices.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"5-Slot 18650 Battery Power Bank Case – No-Weld DIY Kit\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/products\/5-slot-18650-battery-power-bank-case-no-weld-diy\"}]}\u003c\/script\u003e","brand":"P3","offers":[{"title":"China Mainland","offer_id":67926971613465,"sku":"1005009954802408-China Mainland","price":11.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/S3da170e6d0f045258c83aa6a5ead0427D.webp?v=1792926306"},{"product_id":"xt90-parallel-charging-board-charge-4-lipo-batteries-at-once","title":"XT90 Parallel Charging Board – Charge 4 LiPo Batteries at Once","description":"\n\u003ch2\u003eXT90 Parallel Charging Board – Charge 4 LiPo Batteries at Once\u003c\/h2\u003e\n\u003cp\u003eTake control of your battery management with this industrial-grade XT90 Parallel Charging Hub. Designed for FPV racers, RC hobbyists, and drone pilots, this board allows you to charge up to \u003cstrong\u003e4 LiPo battery packs simultaneously\u003c\/strong\u003e — cutting your pit-stop time dramatically and keeping you in the air (or on the track) longer.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose This XT90 Charging Hub?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSimultaneous 4-Port Charging:\u003c\/strong\u003e Connect and charge up to 4 battery packs at the same time with intelligent current distribution across all ports.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGold-Plated XT90 Connectors:\u003c\/strong\u003e Ultra-low contact resistance (\u0026lt;0.5mΩ) ensures efficient power transfer and \u003cstrong\u003eup to 60% less heat generation\u003c\/strong\u003e compared to standard boards.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnti-Reverse Polarity Protection:\u003c\/strong\u003e Built-in safeguards prevent accidental reverse connection, protecting both your batteries and your charger.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor-Coded Silicone Cables:\u003c\/strong\u003e Clearly distinguished positive and negative leads make wiring fast, intuitive, and error-free.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAviation-Grade Plastic Housing:\u003c\/strong\u003e Features a honeycomb heat-dissipation structure for stable, reliable performance even under sustained heavy-load charging sessions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible with 2S–6S and 2S–8S Configurations:\u003c\/strong\u003e Flexible voltage range (optional 2–8S) suits a wide range of LiPo battery packs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimized for Model H8WD:\u003c\/strong\u003e Specifically tuned for time-sensitive environments like competitive racing events and intensive training sessions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnector Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eXT90\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupported Ports\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 Batteries Simultaneously\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2S–6S \/ 2S–8S (optional)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eContact Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.5mΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAviation-Grade Plastic, Gold-Plated Connectors, Silicone Cable\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120 × 72 mm (4.72 × 2.83 inch)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAssembly Required\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × XT90 Battery Parallel Charging Board (Full Set)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cp\u003eWhether you're a competitive FPV racer who needs batteries refreshed quickly between heats, or a hobbyist managing multiple drone packs during weekend flights, this XT90 hub delivers the speed and safety features you need. Say goodbye to charging batteries one at a time.\u003c\/p\u003e\n\n\u003cp\u003eLooking for more RC and hobby accessories? Check out related products in our store:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/ancient-nutrition-multi-collagen-advanced-muscle-60-capsules\"\u003eAncient Nutrition Multi Collagen Advanced Muscle 60 Capsules\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/bu-29mm-sinking-minnow-jerkbait-fishing-lure-bass-trout-pike\"\u003eB\u0026amp;U 29mm Sinking Minnow Jerkbait Lure – Bass Trout Pike\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: How many batteries can the XT90 Parallel Charging Board charge at the same time?\u003c\/h4\u003e\n\u003cp\u003eA: This XT90 parallel charging hub supports up to \u003cstrong\u003e4 LiPo battery packs simultaneously\u003c\/strong\u003e. Each port features intelligent current distribution to ensure balanced and efficient charging across all connected batteries.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What LiPo battery configurations are compatible with this charging board?\u003c\/h4\u003e\n\u003cp\u003eA: The board supports \u003cstrong\u003e2S to 6S\u003c\/strong\u003e LiPo configurations as standard, with an optional \u003cstrong\u003e2S to 8S\u003c\/strong\u003e version available. This makes it versatile for a wide range of FPV drones, RC aircraft, and racing vehicles.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is the XT90 hub safe to use with high-current chargers?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The board features gold-plated XT90 connectors with ultra-low contact resistance (\u0026lt;0.5mΩ), anti-reverse polarity protection, and an aviation-grade plastic honeycomb housing designed for effective heat dissipation — all engineered to handle sustained high-current charging safely and reliably.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does this board require any assembly before use?\u003c\/h4\u003e\n\u003cp\u003eA: No assembly is required. The XT90 Parallel Charging Board comes ready to use straight out of the box.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How many batteries can the XT90 Parallel Charging Board charge at the same time?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This XT90 parallel charging hub supports up to 4 LiPo battery packs simultaneously. Each port features intelligent current distribution to ensure balanced and efficient charging across all connected batteries.\"}}, {\"@type\": \"Question\", \"name\": \"What LiPo battery configurations are compatible with this charging board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The board supports 2S to 6S LiPo configurations as standard, with an optional 2S to 8S version available. This makes it versatile for a wide range of FPV drones, RC aircraft, and racing vehicles.\"}}, {\"@type\": \"Question\", \"name\": \"Is the XT90 hub safe to use with high-current chargers?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The board features gold-plated XT90 connectors with ultra-low contact resistance (\u0026lt;0.5mΩ), anti-reverse polarity protection, and an aviation-grade plastic honeycomb housing designed for effective heat dissipation — all engineered to handle sustained high-current charging safely and reliably.\"}}, {\"@type\": \"Question\", \"name\": \"Does this board require any assembly before use?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No assembly is required. The XT90 Parallel Charging Board comes ready to use straight out of the box.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"XT90 Parallel Charging Board – Charge 4 LiPo Batteries at Once\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/products\/xt90-parallel-charging-board-4-battery-simultaneous-hub\"}]}\u003c\/script\u003e","brand":"P3","offers":[{"title":"2 to 6S \/ China Mainland","offer_id":67926981345561,"sku":"1005009178711575-2 to 6S-China Mainland","price":86.03,"currency_code":"USD","in_stock":true},{"title":"2 to 8S \/ China Mainland","offer_id":67926981378329,"sku":"1005009178711575-2 to 8S-China Mainland","price":70.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/S32ba7d7b7e8b42ab871cbd54b52aad59n.webp?v=1792926358"},{"product_id":"18v-battery-case-protective-board-for-grinder-hand-drill","title":"18V Battery Case \u0026 Protective Board for Grinder \u0026 Hand Drill","description":"\n\u003ch2\u003e18V Battery Case with Protective Board – Power Tool Accessory\u003c\/h2\u003e\n\u003cp\u003eKeep your 18V power tools running at peak performance with this durable \u003cstrong\u003eBattery Case and Protective Board\u003c\/strong\u003e. Engineered for electric grinders, hand drills, and a wide range of 18V cordless power tools, this replacement accessory is built to handle the demands of both professional contractors and dedicated DIY enthusiasts.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose This Battery Case?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCorrosion-Resistant Connectors:\u003c\/strong\u003e Specially treated connectors ensure long-lasting, reliable electrical contact even in humid or harsh workshop environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFatigue-Proof Springs:\u003c\/strong\u003e Heavy-duty springs maintain consistent contact pressure for stable, uninterrupted power delivery.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSecure Soldering \u0026amp; Metal Components:\u003c\/strong\u003e Precision soldered joints and quality metal hardware provide a dependable connection while keeping the unit looking clean and professional.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePCB Protection Board Included:\u003c\/strong\u003e The integrated protective circuit board (PCB) safeguards your battery cells from over-discharge, over-charge, and short-circuit conditions, helping extend overall battery life.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eABS + Metal Construction:\u003c\/strong\u003e A rugged combination of ABS plastic and metal components delivers structural strength without unnecessary weight.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Voltage Compatibility:\u003c\/strong\u003e Supports USB (5–20V DC) voltage range, suitable for a variety of 18V battery configurations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperature \u0026amp; Vibration Resistant:\u003c\/strong\u003e Performs reliably across fluctuating job-site temperatures and high-vibration industrial applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRigorously Tested:\u003c\/strong\u003e Passes multiple quality checks including trial runs and functional validation to meet professional replacement part standards.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReusable \u0026amp; Rechargeable:\u003c\/strong\u003e Designed for repeated use — simply recharge and go.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eABS + Metal\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 75 × 86 × 116 mm \/ 2.95 × 3.38 × 4.56 in\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSB (5–20V DC)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePCB Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReusability\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eReusable\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eH8WD8NB300716\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Battery Case with Protective Board (PCB)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePlease allow 1–2 cm variance due to manual measurement.\u003c\/li\u003e\n  \u003cli\u003eColors may vary slightly due to monitor differences.\u003c\/li\u003e\n  \u003cli\u003eBattery cells are \u003cstrong\u003enot included\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eYou Might Also Like\u003c\/h3\u003e\n\u003cp\u003eLooking for more quality accessories and essentials? Check out:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/ancient-nutrition-multi-collagen-advanced-muscle-60-capsules\"\u003eAncient Nutrition Multi Collagen Advanced Muscle 60 Capsules\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/bu-sinking-minnow-lure-29mm-2-8g-bass-pike-trout-wobbler\"\u003eB\u0026amp;U Sinking Minnow Lure 29mm 2.8g – Bass Pike Trout Wobbler\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is the battery included with this 18V battery case?\u003c\/h4\u003e\n\u003cp\u003eA: No, battery cells are not included. This product is the battery case housing and protective circuit board (PCB) only. You will need to source compatible 18V battery cells separately to complete the assembly.\u003c\/p\u003e\n\u003ch4\u003eQ: What power tools is this battery case compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This 18V battery case with protective board is designed to work with a broad range of 18V cordless power tools, including electric grinders, hand drills, and similar devices that use a compatible 18V battery pack configuration. Always verify your tool's battery connector type and voltage requirements before purchasing.\u003c\/p\u003e\n\u003ch4\u003eQ: What does the protective board (PCB) do?\u003c\/h4\u003e\n\u003cp\u003eA: The included PCB (Protective Circuit Board) acts as a safeguard for your battery cells. It helps prevent over-discharge, over-charge, and short-circuit events, which can all significantly reduce battery lifespan or cause damage to your power tools. It is a critical component for safe and reliable battery operation.\u003c\/p\u003e\n\u003ch4\u003eQ: What are the dimensions of this battery case?\u003c\/h4\u003e\n\u003cp\u003eA: The battery case measures approximately 75 × 86 × 116 mm (2.95 × 3.38 × 4.56 inches). Please allow a tolerance of 1–2 cm due to manual measurement methods.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. 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It is a critical component for safe and reliable battery operation.\"}}, {\"@type\": \"Question\", \"name\": \"What are the dimensions of this battery case?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The battery case measures approximately 75 × 86 × 116 mm (2.95 × 3.38 × 4.56 inches). 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Engineered for demanding power applications, it delivers a rock-solid 100A continuous discharge current with comprehensive multi-layer protection — all in a compact, durable aluminum and PCB construction.\u003c\/p\u003e\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePremium Low-Resistance Design:\u003c\/strong\u003e Features low internal resistance tubes and all-aluminum construction for rapid heat dissipation, ensuring stable, efficient performance even under heavy loads.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComprehensive Multi-Layer Protection:\u003c\/strong\u003e Includes overcharge, over-discharge, over-current, short circuit, balance, and electrostatic protection with weak-current switching — keeping your battery pack safe from a wide range of fault conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecise Voltage Detection:\u003c\/strong\u003e Overcharge detection at 3.65V and over-discharge detection at 2.35V, with rapid short-circuit disconnection in ≤350μs for near-instant fault isolation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Current Capability:\u003c\/strong\u003e Supports up to \u003cstrong\u003e100A discharge current\u003c\/strong\u003e and up to 50A charging current, with a main circuit conduction internal resistance of ≤5mΩ for minimal power loss.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eActive Cell Balancing:\u003c\/strong\u003e Detects cell imbalance at 3.5V with a 70mA balance current, actively equalizing cell voltages to extend overall battery lifespan.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReusable \u0026amp; Durable:\u003c\/strong\u003e Built from robust PCB material for long-term, repeated use in battery management applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubstance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePCB\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Discharge Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Charging Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤50A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMain Circuit Internal Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤5mΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOvercharge Detection Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.65V (±50+15mV)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOver-Discharge Detection Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.35V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShort Circuit Protection Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤350μs\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBalance Activation Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBalance Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e70mA\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDetection Delay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1000+500ms\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Protection Threshold\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e600+100A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSB 5–20V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAs shown in product images\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× BMS Charging \u0026amp; Protection Board (PCB)\u003c\/li\u003e\n  \u003cli\u003e4× Screws\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003ePlease allow 1–2cm tolerance due to manual measurement. Colors may vary slightly depending on monitor settings.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/ancient-nutrition-multi-collagen-advanced-muscle-60-capsules\"\u003eAncient Nutrition Multi Collagen Advanced Muscle 60 Capsules\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/bu-sinking-minnow-lure-29mm-2-8g-bass-pike-trout-wobbler\"\u003eB\u0026amp;U Sinking Minnow Lure 29mm 2.8g – Bass Pike Trout Wobbler\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What battery types is this BMS PCB board compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This Battery Management System board is designed primarily for lithium-based battery packs requiring overcharge, over-discharge, over-current, short circuit, and balancing protection. It supports a voltage input range of 5–20V DC and is suitable for high-demand applications needing up to 100A discharge current.\u003c\/p\u003e\n\u003ch4\u003eQ: How fast does the short circuit protection activate?\u003c\/h4\u003e\n\u003cp\u003eA: The board features rapid short-circuit protection that disconnects power in ≤350μs (microseconds), providing near-instant fault isolation to safeguard your battery pack and connected devices.\u003c\/p\u003e\n\u003ch4\u003eQ: Does the board perform active cell balancing?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The board actively monitors cell voltages and initiates balancing at 3.5V using a 70mA balance current. This proactive balancing keeps all cells at uniform voltage levels, helping to extend the overall lifespan of your battery pack.\u003c\/p\u003e\n\u003ch4\u003eQ: What is included in the package?\u003c\/h4\u003e\n\u003cp\u003eA: Each package includes 1× BMS Charging \u0026amp; Protection Board (PCB) and 4× mounting screws. No battery is included.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What battery types is this BMS PCB board compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This Battery Management System board is designed primarily for lithium-based battery packs requiring overcharge, over-discharge, over-current, short circuit, and balancing protection. 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This proactive balancing keeps all cells at uniform voltage levels, helping to extend the overall lifespan of your battery pack.\"}}, {\"@type\": \"Question\", \"name\": \"What is included in the package?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Each package includes 1× BMS Charging \u0026amp; Protection Board (PCB) and 4× mounting screws. No battery is included.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"100A BMS Battery Management Board – PCB Charging Protection\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/products\/100a-bms-battery-management-board-pcb-charging-protection\"}]}\u003c\/script\u003e","brand":"P3","offers":[{"title":"CN","offer_id":67926995763481,"sku":"1005012141568109-CN","price":114.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/S2ce5704d22ab45799085257da1b63647b.webp?v=1792926425"},{"product_id":"mini-1s-li-ion-battery-power-module-with-led-display","title":"Mini 1S Li-Ion Battery Power Module with LED Display","description":"\n\u003ch2\u003eMini 1S Li-Ion Battery Power Module with LED Charge \u0026amp; Discharge Display\u003c\/h2\u003e\n\u003cp\u003eKeep tabs on your 3.7V lithium battery levels at a glance with this compact \u003cstrong\u003e1S Battery Power Module\u003c\/strong\u003e. Featuring a built-in LED display for real-time charging and discharging indication, this tiny PCB board is the perfect addition to DIY electronics, RC projects, and custom battery-powered devices.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy 2-Wire Installation:\u003c\/strong\u003e Only two wires need to be soldered — no additional configuration required. Plug-and-play simplicity for makers of all skill levels.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLED Charge \u0026amp; Discharge Indicator:\u003c\/strong\u003e Instantly shows battery status so you always know when to charge or stop discharging.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Low Power Draw:\u003c\/strong\u003e Super low current consumption of \u0026lt;10µA — virtually zero impact on your battery runtime.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Precision Detection:\u003c\/strong\u003e Built-in four-way comparator with internal hysteresis delivers ±2% detection accuracy across four voltage points.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMini Form Factor:\u003c\/strong\u003e At just 12.4 × 7 mm (approx. 0.48 × 0.27 in), this module slips effortlessly into almost any electronic device or enclosure.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReusable \u0026amp; Versatile:\u003c\/strong\u003e Compatible with 1S 3.7V–4.2V Li-Ion and Li-Po batteries. Reusable across multiple projects.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUSB Power Input:\u003c\/strong\u003e Supports USB voltage range (5–20V DC) for charging indication.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eABS\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 12.4 × 7 mm \/ 0.48 × 0.27 in\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1S 3.7V–4.2V Li-Ion \/ Li-Po\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSB (5–20V DC)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;10µA\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDetection Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±2%\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePCB Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 1S Battery Power Level Module with LED Display\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePlease allow ±1–2 cm measurement tolerance due to manual measurement.\u003c\/li\u003e\n  \u003cli\u003eSlight color differences may occur due to varying display settings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cp\u003eExplore more electronics and tools in our store:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/ancient-nutrition-multi-collagen-advanced-muscle-60-capsules\"\u003eAncient Nutrition Multi Collagen Advanced Muscle 60 Capsules\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/bu-29mm-sinking-minnow-jerkbait-fishing-lure-bass-trout-pike\"\u003eB\u0026amp;U 29mm Sinking Minnow Jerkbait Lure – Bass Trout Pike\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What type of batteries is this 1S power module compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This module is designed for 1S 3.7V–4.2V Li-Ion and Li-Po batteries. It accurately monitors battery voltage across four detection points, providing clear LED charging and discharging indication for your lithium battery projects.\u003c\/p\u003e\n\u003ch4\u003eQ: How difficult is it to install the 1S battery power module?\u003c\/h4\u003e\n\u003cp\u003eA: Installation is straightforward — only two wires need to be soldered (positive B+ and negative B− terminals). No additional configuration or settings are required, making it ideal for hobbyists, makers, and electronics enthusiasts of any experience level.\u003c\/p\u003e\n\u003ch4\u003eQ: Will this module drain my battery when not in active use?\u003c\/h4\u003e\n\u003cp\u003eA: No. The module features an ultra-low current consumption of less than 10µA in standby, which means it has virtually no impact on your battery's overall capacity or runtime.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What type of batteries is this 1S power module compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This module is designed for 1S 3.7V–4.2V Li-Ion and Li-Po batteries. It accurately monitors battery voltage across four detection points, providing clear LED charging and discharging indication for your lithium battery projects.\"}}, {\"@type\": \"Question\", \"name\": \"How difficult is it to install the 1S battery power module?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Installation is straightforward — only two wires need to be soldered (positive B+ and negative B− terminals). No additional configuration or settings are required, making it ideal for hobbyists, makers, and electronics enthusiasts of any experience level.\"}}, {\"@type\": \"Question\", \"name\": \"Will this module drain my battery when not in active use?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. The module features an ultra-low current consumption of less than 10µA in standby, which means it has virtually no impact on your battery's overall capacity or runtime.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Mini 1S Li-Ion Battery Power Module with LED Display\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/products\/mini-1s-li-ion-battery-power-module-led-display\"}]}\u003c\/script\u003e","brand":"P3","offers":[{"title":"China Mainland","offer_id":67927032922393,"sku":"1005008633744681-China Mainland","price":9.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/S1b491093edf644e0bcc5ba18f9be4582G.webp?v=1792926610"},{"product_id":"li-ion-battery-protection-pcb-for-dyson-21-6v-v6-v7-vacuum","title":"Li-Ion Battery Protection PCB for Dyson 21.6V V6 V7 Vacuum","description":"\n\u003ch2\u003eLi-Ion Battery Charging Protection Circuit Board for Dyson 21.6V V6 V7 Cordless Vacuum Cleaner\u003c\/h2\u003e\n\u003cp\u003eRestore your Dyson V6 or V7 cordless vacuum to peak performance with this precision-engineered \u003cstrong\u003eLi-Ion Battery Charging Protection Circuit Board (PCB)\u003c\/strong\u003e. Designed specifically for 21.6V Dyson battery packs (including D7G1), this replacement PCB is an essential component for DIY battery pack repairs, offering reliable overcharge, over-discharge, and short-circuit protection.\u003c\/p\u003e\n\n\u003cp\u003eWhether you're an experienced electronics technician or a hands-on hobbyist familiar with battery pack assembly, this board gives you everything you need to bring a failing battery back to life — saving money on costly replacements.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecise Compatibility:\u003c\/strong\u003e Engineered for Dyson 21.6V V6, V7, and D7G1 cordless vacuum battery packs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Soldering:\u003c\/strong\u003e Voltage induction solder joints are clearly laid out for straightforward soldering\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExcellent Mold Adaptability:\u003c\/strong\u003e PCB dimensions are optimized to fit snugly within original battery pack housings\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery Pack Protection:\u003c\/strong\u003e Guards against overcharging, over-discharging, and short circuits to extend battery life\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuality Construction:\u003c\/strong\u003e Made from durable green PCB material for long-lasting reliability\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIY-Friendly Design:\u003c\/strong\u003e Recommended for users with practical experience in battery pack handling and electronics repair\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Name:\u003c\/strong\u003e Battery Charging Protection Circuit Board\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Models:\u003c\/strong\u003e Dyson V6, V7, D7G1 (21.6V) Cordless Vacuum Cleaners\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e PCB (Printed Circuit Board)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Green\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e DAZZLEEX\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Battery Charging Protection Circuit Board (PCB)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNote: Only the above item is included. Other products shown in images are for illustrative purposes only. Slight color variations may occur due to different monitor settings. Measurement tolerance is ±1–3 cm.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cp\u003eLooking for more ways to keep your home running efficiently? Check out these related products:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/ancient-nutrition-multi-collagen-advanced-muscle-60-capsules\"\u003eAncient Nutrition Multi Collagen Advanced Muscle 60 Capsules\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/bu-sinking-minnow-lure-29mm-2-8g-bass-pike-trout-wobbler\"\u003eB\u0026amp;U Sinking Minnow Lure 29mm 2.8g – Bass Pike Trout Wobbler\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Which Dyson vacuum models is this battery protection PCB compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This Li-Ion battery charging protection circuit board is specifically designed for Dyson 21.6V cordless vacuum cleaners, including the V6, V7, and D7G1 models. Always verify your battery pack's voltage and connector layout before installation.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this PCB suitable for a beginner electronics user?\u003c\/h4\u003e\n\u003cp\u003eA: This board is recommended for users who are already familiar with battery pack performance and have hands-on experience with soldering and electronics repair. If you are new to battery pack assembly, we suggest consulting an experienced technician before attempting installation.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What does the protection circuit board actually do?\u003c\/h4\u003e\n\u003cp\u003eA: The PCB acts as a safeguard for your Li-Ion battery pack. It monitors and manages charging and discharging cycles, protecting against overcharge, over-discharge, and short circuits — helping to maintain battery health and extend the overall lifespan of your Dyson vacuum battery pack.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is included in the package?\u003c\/h4\u003e\n\u003cp\u003eA: Each order includes one (1) battery charging protection circuit board. No additional tools, cells, or accessories are included.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Which Dyson vacuum models is this battery protection PCB compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This Li-Ion battery charging protection circuit board is specifically designed for Dyson 21.6V cordless vacuum cleaners, including the V6, V7, and D7G1 models. Always verify your battery pack's voltage and connector layout before installation.\"}}, {\"@type\": \"Question\", \"name\": \"Is this PCB suitable for a beginner electronics user?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This board is recommended for users who are already familiar with battery pack performance and have hands-on experience with soldering and electronics repair. If you are new to battery pack assembly, we suggest consulting an experienced technician before attempting installation.\"}}, {\"@type\": \"Question\", \"name\": \"What does the protection circuit board actually do?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The PCB acts as a safeguard for your Li-Ion battery pack. It monitors and manages charging and discharging cycles, protecting against overcharge, over-discharge, and short circuits — helping to maintain battery health and extend the overall lifespan of your Dyson vacuum battery pack.\"}}, {\"@type\": \"Question\", \"name\": \"What is included in the package?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Each order includes one (1) battery charging protection circuit board. No additional tools, cells, or accessories are included.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Li-Ion Battery Protection PCB for Dyson 21.6V V6 V7 Vacuum\", \"item\": \"https:\/\/fzefzx-nb.myshopify.com\/products\/li-ion-battery-protection-pcb-dyson-21-6v-v6-v7-cordless-vacuum\"}]}\u003c\/script\u003e","brand":"P3","offers":[{"title":"China Mainland","offer_id":67928572035353,"sku":"1005006472260651-China Mainland","price":21.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/S4d3fa77c72184387b79dffe4018dbd45r.webp?v=1792932402"}],"url":"https:\/\/shinebrightlyshop.com\/collections\/protection-boards-bms.oembed","provider":"BRIGHTLY","version":"1.0","type":"link"}