DreamGEAR Power Base: This device is designed to charge the rechargeable batteries of your Xbox 360 controllers. It comes with two rechargeable batteries, an AC adapter for charging the batteries, a user's guide, and a warranty card.

To charge the battery while it is attached to the controller, insert the battery into the battery compartment on the back of the controller and place the controller face up on the Power Base. An LED will illuminate red when the battery is charging and green when it is fully charged.

You can also charge the battery by itself by placing it on the Power Base. An LED will illuminate red when the battery is charging and green when it is fully charged.