-1600MAH Rechargeable Lithium-ion Battery Pack -Rechargeable High-Capacity Li-ion Batteries 2X 1600mAh Rechargeable Batteries -Xbox Controller Compatibility: x100 Rechargeable Li-ion Battery Pack is Compatible With Xbox One and Xbox Series X/S Wireless Controller -Safe Charging: Build-in Temperature Control Detection And Charge-Discharge Protection Chicuit -Eazy and Portable: The World's First Build-in Charging Type-C Port on Battery For Xbox Controller, No Need The Charging Station -For use with Xbox one, X,S,Xbox Elite Controller -Fast Charging: 2 Hours -Playing Time: 25 Hours