Detailed Product Description Lithium 9V Battery9v Battery, Lithium 9V Battery, Rechargeable 9v battery, 9v Li-ion batteryLithium-polymer cellCapacity: 580mAhVoltage: 7.8-9vSize: 26*15*43mm(L*W*H)Weight: 25gAvailable for:Electronic toy's remote controllerSmoking AlarmsWireless MicrophoneInstrument for multimeter etc