KONNET PowerV Rechargeable Battery Packs for Two Wii Controllers / Consoles (White) - Special Promo Advanced Rechargeable Battery Pack to power up your Wii Remote Controllers. External Rechargeable Battery for Wii Remote Controller x 2 2 x 800mAh Ni-MH Rechargeable Battery. Powered by KONNET PowerV Charging Station or USB Connection Bundle with USB Connection Cable Specification: Rechargeable Battery : Ni-MH 800mAh; Input Power : 5V 500mA; Output Power : 3V 800mAh; Cable Length : 1 Meter; Charging time: 2.5 hours Includes: Rechargeable Battery Pack x 2; USB Connection Cable x 1