.Established in 2001, Optimum Battery Co., Ltd is High-Tech corporation with independent intellectual-property and core technologies, which is specialized in LiFePO4 and NI-ZN battery's R & D , production and management. Adjacent to Shenzhen Grand Industrial Park, and with an occupation about 20,000 square meters, we have more than 1000 employees and over 30 senior engineers. Since 2002, Optimum batteries have incorporated expertise on technology and management from several famous Universities, which provides a solid back bone for our R&D, production and management team. Up until now, we have developed and possessed nearly 30 intellectual property patents. Our batteries are widely applied to EV, HEV , e-bike / motorcycles/ scooters /wheel chair , solar and wind turbine energy storage system, UPS, digital products, home appliance and many agro-machine, tele-communication system etc. Our daily production capacity is 1.5 million AA Ni-Zn cells, while for ...[More]4, 50,000 cells. We are the first one and the unique one so far in the world who achieved the most strict testing for Lithium battery using for MINE system; We also are the first one in Chinese battery industry who past TS-16949 and got the certificate issued by NQA for EV car batteries design and manufacturing. which keep " OPTIMUM BATTERY "at the leading position for the industry. Stringently comply with international management standard, Optimum Batteries also achieved ISO9001: 2000, ISO14000, CE, UL, SGS/RoHS. Our batteries are well sold to all of world especially Western Europe, North America, the Oceania, the Middle East, East Asia and Mainland China. "Talents Oriented, Technology Leading, Quality Assurance, Global Commitment" is our tenet. With much devotion, Optimum batteries are ready to fully understand clients' requirements and work out full solutions of power supplies for our valuable clients. We are aiming to build a long-lasting and win-win partnership with our worldwide customers.