Xbox One controllers can be charged using the Xbox One’s power brick, or by connecting the controller to a USB port on a computer. The controller will indicate when it is charging by flashing its light blue. To charge the controller using the Xbox One’s power brick, plug the power brick into an outlet and plug the controller into one of the USB ports on the back of the console. The controller will start charging as soon as it is plugged in. To charge the controller using a USB port on a computer, connect the controller to a USB port on your computer. The controller will indicate when it is charging by flashing its light blue. ..