wii fit battery

Capacity: 2,800mAh  Input: 5.0V Output: 4.8V
Used for Wii balance board power supply
With large capacity rechargeable battery, can charge more than five hundred times
Smart design, can be regularly serviced by fastening the balance board battery slot
Can be charged and used at same time
Can also be charged through USB cable
Fist time charge must be more than 12 hours, usual charge is more than 5 hours