This USB to 2.1 mm barrel jack cable lets you power 5 V DC devices from any USB port. Simply connect the USB-A end to a computer, USB wall adapter, or USB battery pack, and the barrel jack end to your device. At 1 metre long with 22 AWG wires, it handles higher current draws reliably.

The barrel jack is centre-positive with a 5.5 mm outer / 2.1 mm inner diameter — the most common DC barrel jack size used in electronics and single-board computers.

Key Features

• USB-A to 2.1 mm Barrel Jack – Converts USB power to DC barrel jack
• 22 AWG Wires – Thicker gauge for higher current capacity
• 1 Metre Length – Convenient cable length for bench and project use
• Centre Positive – Standard polarity for most 5 V DC devices

Specifications

• Input Connector – USB Type-A
• Output Connector – 5.5 mm / 2.1 mm DC barrel jack (male, centre positive)
• Wire Gauge – 22 AWG
• Cable Length – 1 metre
• Output Voltage – 5 V DC (from USB source)

Ideal For

• Powering single-board computers from USB
• Portable power setups with USB battery packs
• Bench testing DC-powered devices
• Replacing wall adapters with USB power sources