We are a professional manufacturer of AGM VRLA battery, GEL battery(High/Cold Temperature Long Life Deep Cycle Gel battery), OPzV Battery, Front Terminal batteries with ISO IEC CE UL since 2003. Advantage of our solar battery: 1. The lead plate are produced by ourselves to control the quality and gain 10% benefit to customers. 2. less than 0.3% defective rate in 3years, much lower than others. 3. Evonick's Aerosil silicone imported from Germany . 4 no recycle lead, Use 99.997% pure new le