Rechargeable Lithium Polymer Batteries LP763538 1050mAh with 3.885Wh With PCM & wires 50mm  LiPo battery Type Rechargeable Lithium Polymer Batteries LP763538 1050mAh  Voltage 3.7V Energy 3.885Wh Net Weight 30g Detail Protection circuit&50mm wires LiPo Battery...