BEBONCOOL Rechargeable Battery Pack for Xbox One/Xbox Series X|S, 2x2550 mAh Controller Battery Pack for Xbox Series X|S/Xbox One/Xbox One S/Xbox One X/Xbox One Elite Controller Green - Walmart.com
Nickel–metal hydride battery - Wikipedia
HPF 18650 2200 Mah Lithium Ion Rechargeable Battery Cell, Voltage: 3.7V, | ID: 21801351588
Rechargeable Battery Pack for Xbox Series X|S | Xbox | PowerA