2S-6S (2 to 6 Cell) Multi-Tap Balance Board + 4mm Bullet (charger) to XT60 (battery) PRO SERIES Charge Lead – Fantom Racing
Batería recargable de 3800mAh para Wii Fit Balance Board (no para Wii Fit 2) 745560343395 | eBay
2800mA Batería de Repuesto con Cable Cargador USB para Nintendo Wii Fit Balance Board|nintendo battery|battery replacementbattery with charger - AliExpress