Insten 2 Pieces 1600mAh Rechargeable Battery Pack for Xbox One / One Elite / One X|S Controller with 9ft USB Charging Cable
Power Kit™ for use with Xbox One – Nyko Technologies
Amazon.com: Pallus Lithium Xbox Controller Battery Pack Compatible for Xbox Series X|S/Xbox One/Xbox One S/Xbox One X Wireless Controller, 2 Pack 6000mWh Li-Ion Rechargeable Xbox Controller Battery with Charger : Video Games
Xbox 360 battery pack : r/thereifixedit
Li-po and Li-Ion battery for the Xbox 360 controller. – S-Config