... button cell battery 3.6V40mAh NiMH button cell Over 400 cycle times Temp -20 to +45 degreeC CE,RoHS,ISO 3.6V40mAh NiMH Button Cell BatteryApplicationsRechargeable NiMH button cell battery ... packs for torch & flashlight, LED Lights, emergency lighting, wireless microphone, remote control, toys, automatic alarm, power memory support, medical equipment, communication equipment ...