Mercury 12V, 200AH Deep Cycle Inverter Battery is specially designed for optimum performance, very long life, and high reliability. These are eminently suitable for a wide range of applications. Specification: Perfect Match for your Inverter & UPS Systems. Performs under extreme conditions. Withstands Deep Discharge and Overcharge. Excellent protection against leakage and corrosion. Strong Containers/Covers. Intercell Welding reduces chances of accidental short-circuiting of cells. Special Lead Alloy Composition. Excellent charge acceptance. Large electrolyte volume. Microporous PVC Separators. Option of Ceramic Vent Plugs.