The Valken NiMh 9.6v 2200mAh Split Type airsoft battery is made from high performance 1.2v cells. The NiMh nunchuck battery is also easy to charge, and does not require discharging like NiCd battery packs. The NiMh nunchuck battery has a long recharge life cycle, and consistent, reliable power output. They are built with 16AWG wiring and include a mini Tamiya connector.