Lithium-Ion Battery, Custom Battery Pack, 48V Battery manufacturer / supplier in China, offering Lithium Werks 26650 Lithium Ion Battery for Robot Battery/Power Tool/Drone Battery, Lithium Werks Battery Cell 18650 1800mAh for Medical Backup Battery Drone Battery Power Bank, 48V 20ah Lithium Battery Pack – Ideal for E-Scooter and Energy Storage and so on.