Saip Group 12V type Gel Lead-acid battery 1. long life , large capacity 2.safe Saip Group maintenace free deep cycle batteriesFeatures :1.Our product are specially designed for the stored energy function of the storage battery , it is satisfy with operating requirement of photovoltavic -PV system , wind energy and scene complementary system 2. Our products are GEL lead-acid battery3.Our products' ...