Shenzhen Kweight Development Co. Ltd. is one of the leading lead-acid battery manufacturer in China. Our factory is located in Longgang District of Shenzhen , Yangquan Shanxi in China and covers an area of 50,000 square meters. There are over 200 workers and 15 members in charge of engineering management and quality control.,br>brOur company specializes in manufacturing 2V> 4V 6V and 12V series maintenance free lead-acid battery, Gel battery Deep cycle battery, solar battery front access,gel battery) OPzV and OPzS battery etc.. We have hundreds of models and specifications for selection and all of products are compliance with CE, RoHS and UL. Our quality is strictly controlled as per ISO90012008 quality system and every piece of our battery is inspected by advanced testing machines before shipment. :br>brOur batteries are exported to North America> South America East , West Europe Australia , Africa relying on their good quality and competitive prices.br