... waterfilling, permanent magnet, brushless DC, and non-sensor shielding motor, and MPPT (maximum power point ... power supply) Product UseHousehold water, deep well water, vehicles, ships, reverse osmosis pure water machines, water treatment equipment, filters, ... cooling systems, and other industries. AccessoriesSolar Controller, Water Level Sensor, Solar Panel Connecting Line, Waterproof Adhesive Tape, ...