Energize your Body and Your Batteries! Now you can get as close to non-stop 24/7 workout as possible, short of hard-wiring your Wii Fit directly to your body. With Intec's new rechargeable battery pack for the Wii Balance Board, you can extend your workouts and power up for those endless hours of muscle strengthening. When your rechargeable battery pack power gets low, simply plug in the link cable and charge! Includes 8 foot long link cable. Save hundreds of dollars...No need to buy batteries! So go ahead and get stepping!