Source Bak B18650Ca 2250Mah 18650 Li Ion Battery 10S2P 36V 4400Mah Agli Ioni Di Litio Pack Rechargeable 2200Mah 3.7V 8.14Wh Batterie on m.alibaba.com
4.4ah 36v Lithium Battery 36 Volt 4400mah Battery for Electric Scooter with XT60 Plug. Configuration 10S2P for Balancing Electric Scooter Universal Battery - Walmart.com