Vmaxtanks VMAX SLR155 AGM 12v 155ah Deep Cycle SLA Rechargeable Battery for Solar and Golf, Pv Solar Panels, Smart chargers, Wind Turbine and Inverters. 12V 155Ah AGM Deep Cycle Solar Battery Military Grade custom made plates Float Service Life span of 10 to 12 years Designed for 99% recombination capabilities; no dangerous fumes or gases Maintenence free and safe for indoor use