8BitDo is predominantly known for its excellent gamepads of all shapes and sizes, but it makes other accessories too, including a charging dock for the Xbox Wireless Controller that is currently 20 percent off. Right now you can grab the officially licensed dock for $20, down from its regular price of $25. 8BitDo's charging dock is compatible with the Xbox Series X|S and Xbox One variants of the Xbox Wireless Controller and uses magnetic contact charging to juice up your pad.