Product Overview
Power your micro:bit projects away from the computer with this official micro:bit-branded battery holder.
Key Features
| Feature | Benefit |
|---|---|
| Holds 2 × AAA batteries | Common batteries, easy to replace |
| Built-in on/off switch | Saves the batteries between uses |
| JST plug for the micro:bit battery socket | Plugs straight in, no wiring |
Applications
| Application Area | Example Projects |
|---|---|
| Primary & secondary school | First coding lessons with blocks and Python |
| Science | Measuring temperature, light, sound and motion |
| Games | Reaction timers, step counters and quiz buzzers |
| Robotics | Controlling rovers and servo projects |
| Wearables | Battery-powered badges and name tags |
Benefits
Built for learning
The micro:bit ecosystem is designed around classroom use, with free editors and lesson plans online.
Nothing extra to install
Code is written in a browser and copied to the micro:bit over USB.
Grows with the learner
Start with blocks, move to Python, then add breakouts, batteries and robots.
Specifications
| Specification | Details |
|---|---|
| Batteries | 2 × AAA (not included) |
| Connector | JST, fits the micro:bit battery socket |
| Switch | On/off |
Why Choose This Product?
It makes micro:bit projects portable, so wearables, games and robots can run away from the computer.
Beginner Use Cases
- Wear a micro:bit name badge
- Play a game away from the computer
- Take a step counter for a walk
- Power a small robot
Professional Use Cases
- Deliver school computing curricula
- Run teacher training sessions
- Build low-cost data loggers for science labs
- Prototype simple wearable ideas
Please Note
- Batteries are not included
Build Your micro:bit Kit
- BBC micro:bit V2 — the board itself.
- Battery Holder (2× AAA) with switch — for projects away from the computer.
- USB-A or USB-C to micro-USB cable — for programming.
- Edge Connector Breakout Board — access every pin on a breadboard.
- Micro:Rover Robot Car Kit — turn it into a robot.


