Fosmon Remote Controller Replacement Rechargeable Battery (1800mah) with USB Charger Cable for Nintendo Wii - White Save money and protect the environment by using this rechargeable battery High capacity battery that lasts roughly 2-4 times longer than the standard AA batteries No additional charger is needed to recharge the battery. Just plug it into any USB port The battery's built-in cover replaces the original remote control cover The package including: 1 x battery pack, 1 x USB charger cable