Capacity: 3600mAH Size : 112x47x16 mm (0.59 x 1.81 x 4.33inches) Weight : 165g (With Wire) (5.6 oz) Pack Configuration: 2S1P Voltage: 7.4V Spektrum EC3, Futaba/JR, JST and Thunder Power type balance connector for charging. Note: Trim tab on Futaba receiver connector to work on JR receiver