Battery type: Li-Ion - no memory-effect Capacity: 500 mAh Voltage: 7.4 V Energy: 3.7 Wh Number of cells: 2 Weight: 38 g Cell configuration: 2S1P Dimensions (length x width x height): 5.4 x 2.8 x 1.4 cm Discharge rate: 15 C Connection plug: SM-2P Balancer connector: XH 2.54 (3P) Short-time discharge current (burst discharge rate): 5 C .