Kayo Battery (Shenzhen) Company Limited is a prominent China-Japan joint venture established in 1999, specializing in the design, research, and large-scale manufacturing of high-performance lithium-ion batteries. Headquartered in Shenzhen with additional production facilities in Dongguan, Hunan, and Vietnam, the company operates as a world-class manufacturer with a workforce of up to 5,000 employees. Kayo Battery integrates advanced Japanese management practices and technology to deliver a diverse portfolio of over 200 battery models, including Lithium Polymer, Cylindrical Li-ion, LiFePO4, and Ni-MH batteries. Their daily production capacity reaches 500,000 pieces, supported by fully automated production lines and a robust R&D team holding over 40 patents.
As a comprehensive provider of portable power solutions, the company offers extensive OEM, ODM, and contract manufacturing services. Their products serve a wide range of industries, including medical devices, industrial PDAs, smart home monitoring, robotics, and green transportation. Kayo Battery is recognized for its commitment to quality and environmental standards, holding certifications such as ISO 9001, ISO 14001, UL, CE, FCC, RoHS, and MFI. The company maintains a strong global presence, supplying international brands such as Samsung, Philips, Honeywell, LG, and Toshiba across markets in Europe, North America, and Asia.
Shenzhen KayJX Technology Co., Limited, operating under the KESHEE brand, is a high-tech manufacturer and distributor established in 2013. Based in the Longhua district of Shenzhen, China, the company specializes in the research, development, and production of advanced energy solutions, particularly lithium-ion and LiFePO4 battery packs. With a workforce of 51 to 100 employees and an annual revenue between US$2.5 million and US$5 million, the company provides OEM services and maintains strategic relationships with major industry players such as Panasonic, Samsung, and Sony.