Size: 71 x 35.8 x 13.7 mm / 2.8 x 1.4 x 0.54 in Weight: 74g / 2.61oz Voltage: 7.4V Capacity: 1300mAh Combination: 2S1P With T-shape connector (Dean style connector) pre-installed. With balancing tap (Align type). Continuous discharging: 25C Burst discharging rate: 40C Extreme low internal resistance. find out more