[. . . ] NOTE: Avoid pinching your fingers by pushing only on the flat surface of the Rechargeable Battery. [. . . ] Press the ON button on the Power Base, which is located in the center of the Power Base. Place the Xbox 360 controller face up onto the Power Base with the top of the controller facing the middle of the Power Base. NOTE: The LED will light up RED when the battery is charging and GREEN when the battery is full. Solution: Make sure that the AC adapter is plugged in properly and securely into a standard wall outlet. Make sure that the Power Base and its rechargeable batteries are free from debris. Make sure that none of the contacts on both the Power Base and rechargeable batteries are damaged or compromised. [. . . ] Make sure that the Power Base and its rechargeable batteries are free from debris. [. . . ]