Product Specifications:Battery Type: Lithium-ion (Li-ion)Voltage: 3.7 Volts; 650 mAh Battery CapacityPackage Include 1 x 650 mAh BatteryApplication: Quadcopter, Helicopter,Bluetooh speaker, Small DRONES, GPS,Mp4 player, ipod, DVD,Mobiles backup power supply,Power bank,Tablet PC and other deviceSize:..