2 x AAA Battery Holder with On/Off Switch and JST Connector – Perfect for micro:bit Projects This slim 2 x AAA battery holder is the ideal portable power solution for your micro:bit projects. Designed to connect two AAA batteries in series, it provides a stable 3V output. Just what your micro:bit needs to run reliably in classrooms, workshops, or maker spaces. Features Compatible with BBC micro:bit (via standard 2-pin JST PH connector) Integrated on/off switch for easy power control without unplugging Compact, lightweight design fits into tight enclosures or wearables Polarity matched for micro:bit and Li-Ion/JST power setup Whether you're building a wearable project, robot, or a classroom experiment, this battery pack keeps your micro:bit powered safely and efficiently. The JST plug is designed to avoid tearing pins—perfect for frequent use by students and makers. Use it for: STEM education kits Portable or remote micro:bit experiments Low-voltage DIY electronics Pair it with our other micro:bit accessories for a complete setup!
