This 2 x AAA Battery holder with JST connector is compatible with the BBC micro:bit. Supplied with 145mm colour coded power leads and a JST connector at the end this battery holder is light and features an M3 mounting hole in the centre so it can be attached to the back of BBC micro:bit cases.The JST connector easily plugs into the BBC micro:bit to provide a portable power supply. Ideal in any project kit with a JST connector power supply interface. Requires 2 x AAA Batteries.Dimensions:Length: 53mmWidth: 25mmHeight: 13mmFeatures:JST connector for easy power supply connectionsHolds 2 x AAA batteriesClips hold AAA batteries securely in place