NiMH button cell battery 1.2V.2.4V,3.6V,4.8V, 40mAh,80mAh Over 400 cycle times Wide ... & flashlight, LED Lights, emergency lighting, wireless microphone, remote control, toys, automatic alarm, power memory support, medical equipment, communication equipment etc. Specifications ... Name: NiMH button cell batteryVoltage:2.4V,3.6V,4.8VCapacity: 40mAh,80mAhWide temp: -20 to +45 ...