... 5SituationBe immersed in waterApplicationPumping water from deep well, gardening, fountain and etcPRODUCT FEATUREcompact structure, high-lift, noiseless, ... -free, safe, reliable, energy-saving, efficient;Photovoltaic water pump, Permanent magnet brushless motor, Maximum power point tracking( ... 4inch 72V screw solar powered solar submersible water pump system for agriculture (4SPS4/100-D72/1000)