Since 2000, Large battery insists operate standard that develop as demand, 24 hour service, 10 year maintenance, has a service team who has excellent professional technology, reliable work style and experienced, and cooperates long term relationship with Bak, Seiko, Sanyo, Desay etc. excellent companies on cell, BMS and pack manufacture.

Certificate: CE, SGS, CCC, MSDS, UL, UN38.3 etc.

Service principle: develop as demand, 24 hour service, 10 year maintenance.

Cell brand option: Sanyo, Panasonic, Sony, Bak, Lishen, ATL etc.