Mercury 652000uk series 1224v softstart power inverters modified sine mercury 652011uk the mercury 652011uk is a 216 to 31v dc high efficiency softstart power inverter that uses a modified sine wave to power 230v mains equipment from a 24v battery or dc power supplythe inverter is perfect for use while camping in commercial vans lorries or as a means to convert charged batteries for back up power in case of a blackout applications ideal for use with tvs lighting fans kettles a