CHAM BATTERY has been focusing on the development, manufacturing and sales of cylindrical lithium-ion batteries, battery packs and portable power supplies since its establishment on March 18, 2003. It is one of the earliest enterprises in China to engage in professional 18650 lithium battery R & D and production.With strong governance of the management process, CHAM has been certified by ISO9001, IATF16949, ISO14001, ISO45001. Our products can be used in various devices like 3C, smart vaccum cleaner, E-bike, E-motorbike, energy storage and etc.