🔹 12V Adjustable Power Adapter – 2A, 3V–12V Variable Output (30W)
This universal AC/DC power adapter delivers a variable output voltage from 3V to 12V, making it a versatile solution for powering LEDs, audio gear, DIY electronics, and a wide range of household devices. With a constant 2A current capability and an adjustable voltage knob, you can precisely match the power requirements of your project or device .
âś… Specifications:
Input Voltage: AC 100–240V, 50/60Hz (Worldwide Compatibility)
Output Voltage: DC 3V–12V Adjustable
Output Current: 2A Max (30W Max)
Voltage Adjustment: Rotary knob / selector switch (visual indicator via LED display on some models)
Connector: 5.5mm x 2.1mm / 2.5mm DC plug (with multiple interchangeable tips included)
Polarity: Center Positive (+), Outer Negative (-) (reverse polarity converter included for some devices)
Protections: Overcurrent, Overvoltage, Short Circuit, Overload
Cable Length: 1.5m (approx)
Operating Temperature: 0°C to 40°C
📦 Features:
✔️ Easily select voltage from 3V to 12V with a simple knob, replacing multiple fixed-voltage adapters
✔️ Versatile for prototyping—use with Arduino, ESP32, and other microcontroller projects requiring variable power
✔️ Comes with a kit of interchangeable DC tips to fit most devices (e.g., LED strips, routers, audio amplifiers)
✔️ Includes reverse polarity converter, expanding compatibility with center-negative devices
✔️ Built-in short-circuit and overload protection ensures safety for your equipment
✔️ Compact and lightweight design, ideal for bench testing and everyday use
📦 Applications:
✔️ Powering and testing DIY electronics projects (Arduino, ESP8266, sensors)
✔️ LED strip lighting and decorative lighting systems
✔️ Audio amplifiers, preamps, and music equipment
✔️ Wireless routers, modems, and networking equipment
✔️ Battery chargers, handheld fans, and toys
✔️ CCTV cameras and security devices
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