Sealed lead acid battery with oxygen recombination technology. Totally sealed battery maintenance free, suitable for photovoltaic systems and for every application that needs long duration and high performances. This battery have an average of 5 years (if the use is correct). The battery is constructed by plates, separators, safety valves and container. Since the electrolyte is held a glassmat separator and plates, the battery can be useb in any direction and position without leakage. Not for engine starter.Features:- 12 V - 65 AH;- Stand-by voltage: 13,5 - 13,6 V;- Deep cycle voltage: 14,7 - 15,0 V;- Average life: 5 years;- Dimension lenght: 330 mm; height: 180 mm; depth: 170 mm;- Weight 30 Kg.