https://www.windowscentral.com/xbox-series-x-controller-features-usb-c-port-aa-batteries-return
http://i.imgur.com/y6sD0ZA.jpg
The new Xbox Series X gamepad also retains the external batteries, requiring AA cells, or a separate charging pack. When using a charging back, users will need a USB-C to USB-A cable, due to a lack of USB-C on the system itself.
可換電池派win,內建電池派out
Xbox Series X落後Play Station十年
還在用老舊低價的AA電池
http://i.imgur.com/8f1CGm4.jpg