Pump/Motor:
-helical screw-rubber impeller
-permanent magnetic brushless motor
-Food machinery oil filled cooling
MPPT controller:
-Dry running protection
-Over-load protection
-Over-voltage protection
-Over-current protection
-Wrong wiring protection
-Low water level protection
-High temperature(>80℃) protection
-Maximum Power Point Tracking
-Motor speed adjustable
-Battery operation