Insten Dual Remote Charging Dock Charger Station with 2 Rechargeable 2800mAh Batteries & LED Light Indicator Docking Compatible With NINTENDO Wii / Wii U Game Controller, Black Will NOT charge when Wii power off. Package includes:2x Ni-MH Rechargeable battery, 1x USB cable, 1x Dual Remote-Control Charging Dock Color: Black Capacity: 2800mAh Nintendo Wii / Wii U