Make Your Own 4S 2P Li-ion Battery Pack | 18650 Battery - YouTube
Custom Li-ion 18650 Battery: 14.4V 6.0Ah (86Wh, 30A rate, INR18650HG2) in special configuration
Amazon.com: 36v Lithium Battery 36 Volt 4.4ah 4400mah Battery with XT60 Plug configuration 10S2P. MADE IN USA : Health & Household
3S4P Battery Pack with LG HE2 Cells, 10Ah, 80A, 10.8V, Cuboid Shape, Customizable - 18650 Battery Pack - Lithium Ion Battery Pack - Voltaplex
Lithium Ion Battery pack containing IEC62133 2nd edition certified 2600mAh capacity 18650 size cells in a 3S2P configuration includes on board charger, fuel gauge, and customized LED based user interface, Model BL2600C1865003S2PG2G