VMaxtanks SLR175 AGM 175Ah EA 700AH TOTAL Solar Wind Power Backup AGM 12V VMAX Battery QTY 4 19"*6.7"*9.4"h Heavy Duty 12V AGM 200ah ea Deep Cycle Battery Charge using AC, Solar or Wind Power Float Service Life span of 8 to 10 years AGM with 99% recombination capabilities; no dangerous fumes or gases. VISIT our main web site bargainshore.com for more information re Solar and Backup batteries