Kayo is a China-Japan joint venture company, established in 1999, with three production plants in South China and specialized in production of Li-polymer battery, Li-ion battery, LiFePO4 battery, Ni-MH batteries, which have UL, CE, PSE, RoHS and UN authentication. Our products are European quality with Chinese price and have been sold far to over 30 countries including Japan, American, Germany and so one. We are also supplier of some famous brand company, such as Cooper lighting, Philips, and Zebra etc. We are not only a specialized manufactory of rechargeable batteries, but also a supplier of portable power solution with Strong capability in OEM and ODM service. KAYO holds a strong R&D team mainly constituted by doctors, masters and senior engineers come from China, Japan & Korea. We could develop and design according to client’s requirement, and provide a perfect battery solution for you.