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18650 Li-ion Battery

Since Li-ion battery was invented, by reason of higher discharge voltage level, higher energy density,more than 500cycles life and environmental friendly, it has become major portable energy rapidly.Kayo cylindrical li-ion battery keeping higher security, best uniformity and longer cycle life,so that KAYO battery used widely in medical, security,office&family digital field.

Our company, KAYO Battery, is one of the leading 18650 li-ion battery manufacturers and suppliers in China. We offer both wholesale service and customized service. Please be free to buy the quality 18650 li-ion battery with large electrical capacity from our factory.