Battery type: Li-Ion - no memory-effect Capacity: 650 mAh Voltage: 7.4 V Energy: 4.81 Wh Number of cells: 2 Weight: 44 g Cell configuration: 2S1P Dimensions (length x width x height): 5.3 x 2.8 x 1.5 cm Discharge rate: 15 C Connection plug: BEC Balancer connector: XH 2.54 (3P) Short-time discharge current (burst discharge rate): 15 C .