Adjustable DC Power Supply Adapter 3V–12V 3A (36W) with LED Display

This Adjustable DC Power Supply is a versatile and reliable AC to DC adapter designed for a wide range of low-voltage electronic devices. It features a rotary voltage control knob, real-time LED voltage display, and stable output from 3V to 12V DC. With a maximum power of 36W (3A), it is ideal for DIY electronics, testing, repair work, and powering various household and electronic devices.

Key Features

• Wide Adjustable Voltage Range:
  Output voltage adjustable from 3V to 12V DC using a smooth rotary knob.

• High Power Output:
  Supports up to 3A current and 36W maximum power.

• LED Digital Voltage Display:
  Built-in LED screen shows real-time output voltage clearly.

• Universal DC Output Interface:
  Standard 5.5 × 2.1 mm / 5.5 × 2.5 mm DC connector, compatible with most devices.

• Safe & Stable Performance:
  Designed for stable voltage output with reliable internal circuitry.

• Compact & Portable Design:
  Small size, lightweight, and easy to carry or store.

• Polarity Identification:
  Red (+) and Black (–) cables for easy polarity recognition.

Technical Specifications

• Input Voltage: AC 100–240V, 50/60Hz

• Output Voltage: DC 3V – 12V (Adjustable)

• Max Output Current: 3A

• Max Power: 36W

• Output Connector: DC 5.5 × 2.1 mm (compatible with 5.5 × 2.5 mm)

• Voltage Display: LED Digital Display

• Control Type: Rotary Knob

• Cable Length: Approx. 42 inches (Power Cord)

• Adapter Dimensions:

  • Length: 108 mm

  • Width: 59 mm

Applications

Suitable for powering and testing:

• Bluetooth Speakers

• Routers

• Digital Cameras

• CCTV Cameras

• LED Strip Lights

• Mini Fans

• Printers

• Massagers

• DIY Electronics Projects