30W Universal Power Adapter 3V–12V Adjustable + USB | Nixie
30W Universal Power Adapter 3V–12V Adjustable + USB | Nixie
Nixie 30W Multifunctional Universal Power Adapter — Adjustable 3V to 12V with USB Port
Power virtually any home electronic device with the Nixie 30W Universal Power Adapter. With a wide adjustable DC output range of 3V to 12V and a built-in 5V/2.1A USB port, 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.
Key Features
- 30W Output Power: 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.
- Built-in USB Port: 5V/2.1A USB-A port for simultaneous device charging.
- 8 Interchangeable DC Tips: 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.
- Easy Voltage Selection: Includes a voltage adjustment wrench — simply dial to the required voltage before plugging in.
- Multi-Layer Safety Protection: 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.
- US Plug Compatible: Standard US two-prong plug, ideal for North American outlets.
- Durable ABS Construction: Sturdy black ABS housing built for long-lasting everyday use.
Specifications
| Item Type | Universal Power Adapter |
| Material | ABS Plastic |
| Color | Black |
| AC Input | 100–240V, 0.25A, 50/60Hz |
| DC Output Voltages | 3V / 4.5V / 5V / 6V / 7.5V / 9V / 12V (adjustable) |
| Max Output Current | 2.5A |
| Max Output Power | 30W |
| USB Port Output | 5V / 2.1A |
| DC Tips Included | 8 tips |
| Plug Type | US Plug |
| Country of Origin | Made in Mainland China |
What's in the Box
- 1 × 30W Universal Power Adapter
- 8 × DC Connector Tips
- 1 × Voltage Adjustment Wrench
⚠️ Important Usage Notes
- Always select the correct voltage for your device before plugging in. Incorrect voltage can damage connected equipment.
- DC plug polarity: positive (+) inside, negative (−) outside. Not compatible with all devices — verify polarity before use.
- Dimensions may vary ±0–1mm due to manual measurement.
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Learn more: ENERGY STAR product efficiency guidance
Frequently Asked Questions
Q: What devices is this 30W universal power adapter compatible with?
A: 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.
Q: How do I select the correct output voltage?
A: 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) before plugging the adapter into the wall outlet. This prevents incorrect voltage from being supplied to your device.
Q: Can I use the USB port and DC output at the same time?
A: 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.
Q: What safety features does this power adapter have?
A: 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.
Production & Packaging Notice
To 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.