As a big battery manufacturers in China,Website:http://www.yangtze-power.com,we supply ... ,such as the lead acid AGM battery,Gel battery,AGM deep cycle battery,Gel deep cycle battery,OPzV battery,OPzS battery ..etc .The following is our ... .High quality AGM separator: extend cycle life and prevent micro short circuit4.ABS material: increase the strength of battery container. (Flame-retardant ...