10S 36V 42V Lithium Ion battery PCB board with 15A constant discharge current for small electric kit of less than 250W – LLT POWER ELECTRONIC
Amazon.com: 36V 4.4AH Lithium Li-ion Battery General Purpose Battery Replacement fit 42V : Health & Household
Amazon.com: 36V Battery, (2-5 Days Delivery from California) 10AH/ 14AH/ 16AH/ 20AH Lithium Battery Pack Li ion Battery for 200-1000W Motor Electric Bike Bicycle Scooter : Sports & Outdoors