Description: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 withoutaccidentally disconnecting the controller. Never worry about running out of battery power for your controller during play again. 1.High quality NiMH rechargeable battery for excellent performance and long life 2.Longer charge and play cable for convenient battery recharge from the consoles USB port3.Compatible with Microsoft's wireless controller for Xbox One4.Eliminates the need for expensive batteries5.Battery Capacity: NI-MH 2400mAh6.Input: CD5.0V7.Output: DC 2.4V8.Cable Length: About 1MNOTE: You may meet the following problems in use.Question 1. Why does the product keep green while charging?Answer: Because the battery doesn't have the function to change light color when fully charged. Normally the charging time is about 4 hours.Package includes:2 x 2400mAh rechargeable battery1 x USB Cable.