Features:

• Rechargeable battery pack provides up to 25 hours of gameplay per charge.
• Don't miss a thing: Recharge while you play with the Play and Charge Cable, or keep some extra Rechargeable Batteries juiced with the Quick Charge Kit.
• Economical: save your cash for games, not disposable batteries.
• Compatible with Microsoft XBOX360 wireless controller
• High capacity 4800mAh rechargeable battery pack included
• Never run out of batteries again 
• The lasting time of this battery charger is about 3 hours
• USB charge cable

Package includes:

• 2 x rechargeable batteries
• 1 x Charging cable.