Shanghai Bolder Battery Co., Ltd is one of China's leading researchers, manufacturers and sellers of maintenance free starter battery, high capacity low-maintenance deep cycle battery, traction battery, storage battery (VRLA battery). Bolder lead-acid batteries cover automobiles, electric vehicle, traction vehicle and various industries, and have  been recognized by CE and UL. We have excellent sales in China and also export to Japan, USA, UK and other countries etc. Bolder is dedicated to offer you highest quality, most reliable products at the lowest possible price, in order to achieve win-win situation for all of our partners.