... magnet brushless motor 2.MPPT: max power point tracking 3.Max efficiency 85% ... saving, efficient;Photovoltaic water pump, Permanent magnet brushless motor, Maximum power point tracking(MPPT)Ambient temperature ... installation, accident or mishandling during shipment, connecting to improper line voltage, or serviced by ... 4 inch 48V screw solar powered solar submersible water pump system (4SPS3.6/80-D48 ...