3.6 V 2400 mAh AA NiMH Battery Pack with SM-2P Black 2 Pin Plug and USB Chargin
Battery type: nickel-metal hydride battery. Battery voltage: 3.6 V. Capacity: 2400 mAh. 1 x 3.6 V 2400 mAh Ni-MH rechargeable battery with standard Tamiya plug. 1 x USB charger cable.