400W 48V DC Solar Water Pump. 3 inch solar water pump with special DC controller can be used for pond, farm, fountain or pool. 1/2 hp solar water pump with low cost can pump 800~1000 gallons per hour. The maximum head is 47~50m. The working voltage of 400W solar water well pump is DC 48 volt. DC controller with LED display can show power .... "/>