Xtech 4 AA High Capacity 2950mah Rechargeable Batteries with Travel Quick Charger for Microsoft Xbox One Wireless Controllers 100/240V Quick Charger for up to 4 AA, AAA and 2 9volt Batteries Dual LED Indicator when Charging Includes 4 AA 2950mah NI-MH Rechargeable Batteries, 100% Memory Free Charge up to 1000 Cycles, European Adapter Included, Five Year Limited Warranty note: batteries charge with the included charger only (not while in the Xbox One Wireless Controller)