Rechargeable Lithium Polymer Batteries LP564546 3.7V 1400mAh with 5.18Wh With PCM & wires 50mm  LiPo battery Type Rechargeable Lithium Polymer Batteries LP564546 3.7V 1400mAh with 5.18Wh Voltage 3.7V Energy 5.18Wh Net Weight 30g Detail Protection circuit&50mm...