Rechargeable Lithium Polymer Batteries LP883562 3.7V 2000mAh with 7.4Wh With PCM  & wires 50mm LiPo battery Type Rechargeable Lithium Polymer Batteries LP883562 3.7V 2000mAh with 7.4Wh Voltage 3.7V Energy 7.4Wh Net Weight 50g Detail Protection circuit&50mm...