It can charge 4pcs controllers at the same time.
Matched with 4 big capacity Ni-MH batteries, simple and convenient to use.
The light will turn red when it's in charging, after full charged it will turn blue. Before charging, please check the on/off switch on the back of Charging Stand.
Package Include: Wii Charger Dock Station, 4x 2800mAh Rechargeable Batteries, 1xUSB Cable
Note: There are various brands of battery pack and charger. They may have different charging position causing incompatibility with each other. The best way is buying the same brand of battery and charger. Otherwise, Please check product pictures carefully to make sure it will be suitable before ordering.