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Little Bird

5.0 (1 review)

$3.49 |
In stock
5.0 (1 review)

A flat 4×AA battery holder with a 2.1mm DC barrel jack connector, providing an easy way to power Arduino boards and other projects that accept a DC barrel pl...

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A flat 4×AA battery holder with a 2.1mm DC barrel jack connector, providing an easy way to power Arduino boards and other projects that accept a DC barrel plug. With four alkaline AA batteries installed, it delivers approximately 6V — within the recommended input voltage range for the Arduino Uno's DC jack.

Specifications

  • Battery Type – AA (LR6)
  • Cell Count – 4
  • Configuration – Flat (1×4)
  • Connector – 2.1 mm DC barrel jack (centre-positive)
  • Nominal Output – 6 V (alkaline) / 4.8 V (NiMH)

Ideal For

  • Powering Arduino Uno and compatible boards via the DC jack
  • Portable and battery-powered electronics projects
  • Prototyping without a mains power supply

Package Contents

  • 1× 4-Cell AA Battery Holder with 2.1 mm DC Barrel Jack

Jargon buster

Plain-language definitions for the technical terms used above.

DC barrel jack
A round power connector commonly used for low-voltage DC power supplies, often described by its outer and inner diameters such as 5.5 x 2.1 mm. Matching the barrel size and polarity is important so the plug physically fits and powers the device correctly.
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