The dreamGEAR Charging DOCK for the Wii is the most convenient way to keep you in the game. Charge 2 Wii Remotes at the same time using the 2 included rechargeable battery packs. It has a built-in LED light which indicates when it has finished charging. The Pass-Through power cable even allows you to charge your Wii Remotes with the Wii console powered OFF.
Nintendo Wii Gaming Console Remote