This charge station contains a two-space cradle that allows you to charge and rest two remotes, with or without Wii MotionPlus adapters connected, in an upright position. Also included are two sets of rechargeable 1800 mAh batteries, which are enclosed in a mold that you can attach to the back of your Wii Remote. The Dual Charger Station is powered by a USB cable that attaches from the AC adaptor connection to a USB port on the Wii Console or on a computer. A first of its kind, this product contains both the standard USB-DC power cable and a USB-Wall outlet plug that allows you to connect to an electrical wall outlet! This device is made specifically to eliminate constant and costly AA battery usage with eco-friendly rechargeable technology. After a full charge you"ll have long-lasting game play for approximately 13-20 hours! Includes charge station, USB cable, and two 1800 mAh rechargeable batteries.