This NiMH battery pack consists of 6 AA batteries with a voltage of 7.2 V and a capacity of 1500 mAh. The battery size is 3.35" x 2" x 0.55" and comes with a KET 2P connector. This USB charging cable has an input voltage of 5V, an input current of 0.5-2A, an output voltage of 7.2V and a maximum output current of 250mA. Package list: 1 x 7.2V NiMH battery pack. 1 x USB charging cable.