Dongguan Large Electronics Co., Ltd is a national High-Tech Enterprise which specializes in the design, production and sale of Lithium-ion battery packs. LARGE always insists on serving users of the global mobile power /backup power/energy storage power, and has become a global leader in customized lithium battery solutions and products.

LARGE has advanced operating system which consists of customized research and development, professionalization manufacture and powerful supply chain. Technical center in LARGE includes Professional and technical category such as electronics, power, structure, technology, electrochemical and so on. There are 50 above stuff in the technical center and most of them are senior engineers with more than five years experiences in the lithium battery industry. Our testing centers include safety laboratory, environmental laboratory, environmental laboratory, power laboratory and electrical property laboratory. We can accomplish autonomously testing and certification of whole projects which consist of raw / auxiliary materials, spare and accessory parts and battery modules, and testing technology meet international standards. LARGE based on advanced application technology in lithium battery, supported by cooperative partners like SANYO, BAK, Lishen, Industrial Development Institute of Tsinghua University, and National Electrochemical Power Source Quality Inspection Center, established core competencies of customized lithium battery service by means of professional manufacture which takes multiple series and parallel combinations of lithium battery as the main direction.

Our current customized Lithium battery program and products are extensively used by Military, medical, financial, communication, security, transportation, logistics, mine, consumer electronics and other fields. And we set up a comprehensive and long-term strategic cooperative relationship with many respectable users like Motorola, Foxconn, Fujitsu, Maxell, Shidean Legrand, Midea, Changhong, Hisense, Skyworth etc, to make a great contribution to our users.