Replace your Nintendo Wii remote controller battery with this rechargeable battery kit. Now, you will never run out of battery power. Simply recharge controller by resting the remote into the station.Brand new generic.Simply recharge by resting the remote into the stationNever run out of battery power when you are about to score the winning pointSave money and protect the environment by using the rechargeable batteryHigh capacity battery that lasts 2~4 times longer than the standard AA batteriesNo additional charger is needed to recharge the battery. Just plug it into stationBattery's built-in cover replaces the original remote control coverWii remote controller not includedPackage include:Four rechargable batteries packOne docking station for 4 Wii remote controllerOne USB cable power adapter for docking station