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5V 3A barrel jack power supply

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5V 3A barrel jack power supply

This 5V 3A barrel jack power supply delivers up to 18W of regulated DC power, making it a solid choice for projects that need more current than a standard USB supply can provide. It ships with interchangeable adapter plates for Australia, UK, Europe, and the USA.

Key Features

  • Output – 5V DC at up to 3A (18W)
  • Connector – 5.5mm OD / 2.5mm ID centre-positive DC barrel jack
  • International Adapters – Australian, UK, European, and US plug plates included

Ideal For

  • Media players and single-board computers with barrel jack input
  • LED strips and lighting projects
  • Any 5V device requiring up to 3A via barrel jack

Package Contents

  • 1× 5V 3A Power Supply (5.5×2.5mm barrel jack)
  • 4× Interchangeable plug adapters (AU, UK, EU, US)
Note: This supply uses a 5.5×2.5mm barrel jack. Check your device's DC input size before purchasing — many boards use a 5.5×2.1mm jack instead.
$6.16

Original: $20.54

-70%
5V 3A barrel jack power supply—

$20.54

$6.16

Product Information

Shipping & Returns

Description

This 5V 3A barrel jack power supply delivers up to 18W of regulated DC power, making it a solid choice for projects that need more current than a standard USB supply can provide. It ships with interchangeable adapter plates for Australia, UK, Europe, and the USA.

Key Features

  • Output – 5V DC at up to 3A (18W)
  • Connector – 5.5mm OD / 2.5mm ID centre-positive DC barrel jack
  • International Adapters – Australian, UK, European, and US plug plates included

Ideal For

  • Media players and single-board computers with barrel jack input
  • LED strips and lighting projects
  • Any 5V device requiring up to 3A via barrel jack

Package Contents

  • 1× 5V 3A Power Supply (5.5×2.5mm barrel jack)
  • 4× Interchangeable plug adapters (AU, UK, EU, US)
Note: This supply uses a 5.5×2.5mm barrel jack. Check your device's DC input size before purchasing — many boards use a 5.5×2.1mm jack instead.