... immersed in waterApplicationPumping water from deep well, gardening, fountain and etcPRODUCT FEATUREcompact structure, high-lift, noiseless, ... , reliable, energy-saving, efficient;Photovoltaic water pump, Permanent magnet brushless motor, Maximum power point tracking(MPPT)Ambient temperature ... perfect as always. XINYA DC 4 inch 72V screw solar powered solar submersible pump water pumping system (4SPS4. ...