dreamGEAR Power Base Quad for Nintendo Wii & Wii U. Charge up to four Wii or Wii U controllers wirelessly, simultaneously Power Base Quad charges up to four Wii or Wii U controllers simultaneously. Features advanced induction to allow you to wirelessly charge your Wii or Wii U remote without removing the sleeve. Includes four long life rechargeable battery packs. LED indicators allow you to monitor charging. Red light = charging, Blue light = full. Plug into the wall with the provided AC adapter giving you the option to place the Power Base Quad anywhere in the room. Charge where you play!