European subsidiary of VISION Group -Shenzen Center Power Tech. Ltd VISION Group is one of the largest manufacturers of batteries in the world. Products are classified in two categories : Valve Regulated Lead Acid Battery (VRLA) and Lithium-Ion battery. VISION Group was founded in 1994 and its Head Quarter is in Shenzen. It is one of the largest and the first one to develop and commercialize VRLA batteries, with brand name VISION, in China. VISION Group has two industrial locations, in Shenzen and in Vietnam.