18650 Battery, Rechargeable Battery, Battery Pack manufacturer / supplier in China, offering Lockable Kettle 36V 10ah 20ah E-Bike Lithium Batteries, 36V 10ah Hailong Electric Bike 18650 Lithium Ion Battery Pack, Silverfish 36V 10ah 12ah 18ah 20ah 48V Electric Bike Customized Battery Pack and so on.