NiMH button cell battery 1.2V 40mAh NiMH button cell battery Over 400 cycle times Wide temp -20 to +45 degreeC CE,RoHS,ISO 1.2V40mAh NiMH Rechargeable Button Cell Battery Applications laptop computers, PDA, electric clocks, watches, remote control keys, cameras, toys, electric water heater, electric cooker, timer, wireless headset, electric toy, car audio, digital voice recorder, cash register, ...