With the Xbox One(tm), the Play&Charge Kit keeps you in the game. Even when your Xbox (r) is on standby, you can still recharge while playing. The long-lasting and rechargeable battery is fully charged in under 4 hours. Get rid of disposable batteries or having to switch them out mid-game. Always Ready* Charges when you play or the console is on standby. Fully charges in just under 4 hours. The Xbox One(tm), the console that charges your batteries, will eliminate the need for AA disposable battery.