{"product_id":"30w-universal-power-adapter-3v-12v-adjustable-usb-nixie","title":"30W Universal Power Adapter 3V–12V Adjustable + USB | Nixie","description":"\n\u003ch2\u003eNixie 30W Multifunctional Universal Power Adapter — Adjustable 3V to 12V with USB Port\u003c\/h2\u003e\n\u003cp\u003ePower virtually any home electronic device with the \u003cstrong\u003eNixie 30W Universal Power Adapter\u003c\/strong\u003e. With a wide adjustable DC output range of \u003cstrong\u003e3V to 12V\u003c\/strong\u003e and a built-in \u003cstrong\u003e5V\/2.1A USB port\u003c\/strong\u003e, this all-in-one adapter replaces a drawer full of single-use chargers. Eight interchangeable DC tip connectors ensure compatibility with routers, LED strips, webcams, security cameras, USB hubs, tablets, DIY circuits, speakers, and more.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e30W Output Power:\u003c\/strong\u003e AC input 100–240V, 0.25A, 50\/60Hz; DC output up to 2.5A maximum across selectable voltages: 3V \/ 4.5V \/ 5V \/ 6V \/ 7.5V \/ 9V \/ 12V.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-in USB Port:\u003c\/strong\u003e 5V\/2.1A USB-A port for simultaneous device charging.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e8 Interchangeable DC Tips:\u003c\/strong\u003e Covers the most popular connector sizes (2.5×0.7mm, 3.0×1.1mm, 3.5×1.35mm, 4.0×1.7mm, 5.0×2.1mm, 5.5×2.5mm, plus Micro USB and LED terminal connector) to suit a wide variety of household electronics.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Voltage Selection:\u003c\/strong\u003e Includes a voltage adjustment wrench — simply dial to the required voltage before plugging in.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Layer Safety Protection:\u003c\/strong\u003e Smart IC chip monitors the circuit continuously and automatically shuts down in the event of overload, over-voltage, overheating, or short circuit, keeping both adapter and device safe.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUS Plug Compatible:\u003c\/strong\u003e Standard US two-prong plug, ideal for North American outlets.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable ABS Construction:\u003c\/strong\u003e Sturdy black ABS housing built for long-lasting everyday use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eItem Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUniversal Power Adapter\u003c\/td\u003e\n\u003c\/tr\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\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAC Input\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100–240V, 0.25A, 50\/60Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDC Output Voltages\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3V \/ 4.5V \/ 5V \/ 6V \/ 7.5V \/ 9V \/ 12V (adjustable)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Output Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.5A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Output Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30W\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUSB Port Output\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\u003eDC Tips Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8 tips\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePlug Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUS Plug\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 × 30W Universal Power Adapter\u003c\/li\u003e\n  \u003cli\u003e8 × DC Connector Tips\u003c\/li\u003e\n  \u003cli\u003e1 × Voltage Adjustment Wrench\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e⚠️ Important Usage Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAlways select the correct voltage for your device \u003cstrong\u003ebefore\u003c\/strong\u003e plugging in. Incorrect voltage can damage connected equipment.\u003c\/li\u003e\n  \u003cli\u003eDC plug polarity: positive (+) inside, negative (−) outside. Not compatible with all devices — verify polarity before use.\u003c\/li\u003e\n  \u003cli\u003eDimensions may vary ±0–1mm due to manual measurement.\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  \u003cli\u003e\u003ca href=\"\/products\/1pc-extended-straw-vacuum-cleaner-aquarium-water-exchanger-simple-cleaning-tool-multi-functional\"\u003e1PC Extended Straw Vacuum Cleaner — Multi-Functional Cleaning Tool\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 devices is this 30W universal power adapter compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This adjustable power adapter is compatible with a wide range of home electronics including routers, LED strips, security cameras, webcams, USB hubs, tablets, speakers, TV boxes, and DIY electronics projects. With 8 interchangeable DC tips covering the most common connector sizes, it works with most devices requiring 3V to 12V DC power. Always confirm your device's required voltage and polarity before use.\u003c\/p\u003e\n\u003ch4\u003eQ: How do I select the correct output voltage?\u003c\/h4\u003e\n\u003cp\u003eA: The included voltage adjustment wrench makes it easy. Simply locate the voltage selector on the adapter and use the wrench to turn it to your desired voltage (3V, 4.5V, 5V, 6V, 7.5V, 9V, or 12V) \u003cem\u003ebefore\u003c\/em\u003e plugging the adapter into the wall outlet. This prevents incorrect voltage from being supplied to your device.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I use the USB port and DC output at the same time?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The adapter features both a DC output (up to 2.5A \/ 30W total) and a separate 5V\/2.1A USB port, allowing you to power or charge two devices simultaneously — provided the combined load stays within the 30W maximum output.\u003c\/p\u003e\n\u003ch4\u003eQ: What safety features does this power adapter have?\u003c\/h4\u003e\n\u003cp\u003eA: The Nixie 30W adapter includes a built-in smart IC protection system that automatically shuts the unit down if it detects overload, over-voltage, overheating, or a short circuit. This protects both the adapter and your connected devices from damage.\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 devices is this 30W universal power adapter compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This adjustable power adapter is compatible with a wide range of home electronics including routers, LED strips, security cameras, webcams, USB hubs, tablets, speakers, TV boxes, and DIY electronics projects. With 8 interchangeable DC tips covering the most common connector sizes, it works with most devices requiring 3V to 12V DC power. 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