Amazon.com: 2X Black Battery Cover for Microsoft Xbox 360 Wireless Controller : Video Games
1-Pack Rechargeable 3600mAh Battery Pack for Xbox 360 Wireless Remote - Insten
Controller Rechargeable Battery Pack for Microsoft Xbox 360® - XYAB
I just dug up my old Xbox 360 and found it to somehow work, only problem I had was that the controllers battery compartment looks like this and the controller doesn't turn
Rechargeable Battery Pack Charger Cable Dock for Xbox 360 Controller | Wish
Amazon.com: Rechargeable Battery Pack of 4800mah Replacement Battery Pack Controller Charging Package Backup Battery for Xbox 360 Charging During Games with a USB Cable and Charging Base : Video Games