Nyko Wii Balance Board Energy Pack

Energy Pak is a rechargeable Lithium-Ion battery pack for the Wii Balance Board...Keep your workout going strong with Nyko's Energy Pak for the Wii Balance Board. The Lithium-Ion powered Energy Pack fits directly into the Balance Board's battery compartment, powering the Balance Board for up to 30 hours. The Energy Pack is recharged from any AC outlet through the AC Port Relocator that allows for easy charging of the batteries even while in use. The AC Port Relocator features an easy to read charge indicator and blends seamlessly with the contours of the Balance Board, providing the most simplistic charging solution for the Wii Balance Board.