Adjustable 3V-12V 2A DC Power Adapter Variable Voltage Controller

$13.99 $16.99

Color AU US UK EU

Ships FromChina Mainland

Adjustable Voltage Power Adapter 3V–12V 2A DC Variable Speed Controller Transformer

Take full control of your DC-powered devices with this versatile 3V–12V 2A Adjustable Voltage Power Adapter. Whether you're running LED lights, air blowers, humidifiers, or other low-voltage electronics, this variable DC transformer lets you dial in the exact output voltage you need — all in one compact, easy-to-use unit. Compatible with EU, UK, and AU plug types, it's a truly global solution for home DIY enthusiasts and electronics hobbyists alike.

Key Features

Wide Voltage Range: Continuously adjustable output from 3V to 12V DC, giving you precise control over device speed and brightness.
2A Output Current: Supports a broad range of small DC devices including LED strip lights, blowers, fans, humidifiers, and more.
Multi-Plug Compatibility: Comes with EU, UK, and AU plug options — perfect for international use and travel.
Variable Speed Controller: Built-in control knob allows smooth, stepless adjustment of output voltage for fine-tuned performance.
Under 500W Rated: Safe and suitable for a wide range of low-power home DIY applications.
DC Power Source: Converts standard AC mains power to regulated DC output with stable performance.
Compact & Portable Design: Lightweight body makes it easy to use at home, in workshops, or on the go.

Specifications

Output Voltage	3V – 12V DC (Adjustable)
Output Current	2A (Max)
Power Source	DC
Wattage	Under 500W
Rated Voltage	12V
Plug Types	EU / UK / AU
Application	LED Lights, Air Blowers, Humidifiers, Home DIY
Battery Included	No
Country of Origin	Made in Mainland China

Compatible Applications

This adjustable power adapter is ideal for a variety of home and hobbyist uses, including:

LED light strips and lamps
Centrifugal and axial air blowers
Humidifiers and mist makers
Small DC motors and fans
DIY electronics projects

Safety & Standards

For guidance on safe use of power adapters and electrical equipment at home, refer to the U.S. Consumer Product Safety Commission (CPSC) – Electrical Safety Resource.

Frequently Asked Questions

Q: What devices can I use with this adjustable voltage power adapter?

A: This 3V–12V 2A DC variable transformer is compatible with a wide range of low-voltage DC devices, including LED strip lights, air blowers, centrifugal fans, humidifiers, small DC motors, and many home DIY electronics projects that operate within the 3V–12V range.

Q: Can I use this adapter in different countries?

A: Yes! This power adapter comes with EU, UK, and AU plug options, making it suitable for use across multiple regions. Always ensure your wall outlet voltage is compatible with the adapter's input requirements before use.

Q: How do I adjust the output voltage?

A: The adapter features a built-in variable control knob that allows smooth, stepless voltage adjustment between 3V and 12V DC. Simply rotate the knob to increase or decrease the output voltage to match your device's requirements.