Vmaxtanks VMAXSLR100 AGM Sealed deep cycle 12V 100AH battery for Use with PV Solar Panel 12V AGM Deep Cycle Military Grade custom made plates Float Service Life span of 8 to 10 years Designed for 99% recombination capabilities; no dangerous fumes or gases. 12 months warranty offered by VMAXTANKS or bargainshore (Amazon Authorized seller).