Instructions
Remove the old battery pack from your Xbox 360 controller.
Insert the Play &Charge battery pack into the opening on your Xbox 360 controller.
Turn on your Xbox 360.
Plug in the USB end of the charge cable into your Xbox 360. Plug the other end into the port on the top of your Xbox 360 controller.
Remove the charge cable from the controller and Xbox 360 when the light on the battery pack changes from red to green. This indicates that the controller is charged.
Repeat the steps to charge the controller when the light on the battery pack flashes red.