... life expectancy 3.maintenance free 4cost-efficient. SOLAR PUMP'S APPLICATION AREA:This project products are mainly used ... stainless steelScrew:stainless steel ACCESSORIES:Pump controller,Screw,Cable connector,Water level sensor,Cabel for solar panel,Solar flashlight. ... ,brushless,non-sensor motor.2.Technics innovationAdopt double plastic package for rotor and stator,motor insulation≥300MΩ,the motor ...