7S5P Battery Pack with Panasonic B Cells, 16.75Ah, 24.37A, 25.2V, Cuboid Shape, Customizable - 18650 Battery Pack - Lithium Ion Battery Pack - Voltaplex
20S6P Battery Pack with Panasonic B Cells, 20.1Ah, 29.25A, 72V, Cuboid Shape, Customizable - 18650 Battery Pack - Lithium Ion Battery Pack - Voltaplex
Amazon.com: ElecGear Lithium ion Battery Pack for Xbox Wireless Controller, 2X 1200mAh Li-ion Rechargeable Battery for Xbox Series X/S, Xbox One Video Game Controller with 2X Play and Charge USB Cable :
Analyzing Thermal Distribution in a Li-Ion Battery Pack | COMSOL Blog