We are a specialized Hi-tech company, committed to design all types of OEM/ODM battery packs & specified chargers for portable electronic devices in medical, industry testing and measurement, telecommunication, military, security, etc. Since its establishment, HY Energy has brought in advanced technology, automatic equipments and management experience from Japan. During this 10 years, we have been certified by CE, Rohs, ISO9001, UL, and become an outstanding manufacturer in the battery pack design and assembling in fields of Military, Satellite, Medical Equipment, Optical Cable, Mining and Telecommunication, Traffic Telematics, Gas and Power Tools industry. All our batteries are comfirmed to the UN38.3, MSDS requirement, 2009 IATA DGR and 2006-66-EC Battery Declaration.