3x AA Battery Holder Box 4.5V with Switch & USB Lead

3x AA Battery Holder Box – 4.5V with On/Off Switch

Keep your battery-powered projects running smoothly with this compact and reliable 3x AA Battery Holder Box. Outputting a steady 4.5V, this handy case is perfect for DIY electronics, LED lighting, remote controls, Arduino projects, and more. Available with a standard wire lead or a convenient USB output — choose the option that suits your setup.

Key Features

• 4.5V Output – Powers a wide range of low-voltage electronics and DIY projects
• Built-in On/Off Switch – Easily control power without disconnecting wires
• Wire Lead or USB/Wire Options – Versatile connectivity to suit different devices
• Compact Design – Measures just 7.5 × 5 × 2 cm (2.95 × 1.96 × 0.78 in) for easy placement
• Durable Plastic Construction – Lightweight yet sturdy for everyday use
• Available in Black or White – Blends neatly into any project build
• No Batteries Included – Compatible with standard AA batteries (not included)

Specifications

Made in China.

Perfect For

• Arduino, Raspberry Pi, and other microcontroller projects
• LED strip and fairy light setups
• Science fair and hobby electronics experiments
• Remote sensors and small motors
• DIY gadgets and school projects

For guidance on safe battery handling and storage, visit the U.S. Consumer Product Safety Commission – Battery Safety page.

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Learn more: Battery holder

Frequently Asked Questions

Q: What voltage does this AA battery holder box output?

A: This battery holder box holds 3x AA batteries in series to deliver a 4.5V DC output, making it suitable for a wide range of low-voltage electronic devices and DIY projects.

Q: Does this battery holder come with batteries?

A: No, batteries are not included. You will need to supply your own standard AA batteries (3 required).

Q: What is the difference between the "with line" and "with USB/line" options?

A: The "with line" version features a standard bare wire lead for direct soldering or terminal connections. The "with USB/line" version includes a USB connector on the output lead, making it easy to power USB-compatible devices directly from your AA batteries.

Q: What are the dimensions of this battery holder?

A: The holder measures approximately 7.5 × 5 × 2 cm (2.95 × 1.96 × 0.78 inches). Please allow for minor measurement variations of 5–10 mm.

Q: Can I use this battery box for an Arduino project?

A: Yes! This 4.5V battery holder is a popular choice for powering Arduino boards, sensors, LED arrays, and other microcontroller-based projects, especially where a portable and switchable power source is needed.