... EVs, Electronic tools, Toys, back-up power, emergency power portable mobile power, medical equipment, heating equipment, health care equipment ... at high-low temperatureBattery series1. Cylindrical battery: 18650/18350/26650/32650/2. Li-polymer battery: flexible size, customer design3. ... material to finished products.5, Full set of battery pack, PCB and charger is available. NUOCISS rechargeable 5000mah ...