Battery type: Li-polymer Capacity: 250 mAh Voltage: 3.7 V Energy: 0.93 Wh Number of cells: 1 Weight: 8 g Cell configuration: 1S1P Connection plug: Mini JST-Plug Balancer connector: Mini JST-Plug Current-carrying capacity: 50C Compatible with the following device models: Hubsan H107D Hubsan X4 H107 .