Play and recharge the Xbox One wireless controller's battery pack simultaneously. The Power Kit includes 2 high quality NiMH rechargeable and an extra long USB charging cable. The battery provides up to 20 hours of play per charge while the extra long cable allows simultaneous play and charging. The extended cord makes it easy to kick back at a comfortable distance from the TV without accidentally disconnecting the controller. Never worry about running out of battery power for your controller during play again. 2 High quality NiMH rechargeable battery for excellent performance and long life Longer charge and play cable for convenient battery recharge from the consoles USB ports Compatible with Microsoft's wireless controller for Xbox One CE approved for safety and quality assurance Eliminates the need for expensive batteries