We are a specialized Hi-tech company, committed to design all types of OEM/ODM battery packs & chargers for medical device, testing and measuring equipment, telecommunication instrument, power tool, 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 ISO9001, CE, Rohs, UL, and become an outstanding manufacturer in the battery pack design and assembling in fields of Medical device, telecommunication, Handheld & barcode scanner, Industry measurement, and Power tool industry. All our batteries are comfirmed to the UN38.3, MSDS requirement, 2009 IATA DGR and 2006-66-EC Battery Declaration.