No more worrying about losing power during game play! dreamGEAR’s Xbox 360 Power Kit offers a charging Cable, a Rechargeable Battery and a Charging Dock! Your Charging Cable lets you play games while you recharge your Rechargeable Battery. When you are not using your Charging Cable and you notice your Rechargeable Battery losing power, take out the old battery, put it into the Charging Dock to charge and slide in a freshly charged battery pack!