Battery type: Li-polymer Capacity: 1300 mAh Voltage: 3.7 V Energy: 4.81 Wh Number of cells: 1 Weight: 35 g Cell configuration: 1S1P Dimensions (length x width x height): 6.7 x 3.4 x 0.9 cm Connection plug: SM-2P Balancer connector: no Short-time discharge current (burst discharge rate): 25 C Diameter: 34 mm .