Water pumps have a wide working voltage: the voltage range of a 48v water pump is 38v-90v, and the optimal working voltage is about 60v. Built-in MPPT controller to make full use of solar energy.The pump automatically stops working when the voltage is too high or too low. Then check every 5 minutes. The water pump can connect directly to the solar panel in the sunlight without connecting the battery. Do not mix the positive (+) and negative (-) connection. The pump is submersible pump, it must be full submerged in the water.
Do not use the pump over max lift. The water pump cannot work long without water. Cable requirements: when the length of cable is greater than 30 meters, it is recommended to use 6 square or 10 square pure copper cables.
Water requirement: please do not select diameter less than 32 mm. Pipe blockage is forbidden bending, such force would reduce pipe outlet diameter, then it will cause the pump working current too high and motor damage. 1pc Solar powered water pump. Please check with your country. We will provide a best resolution for you.Pls do not open a return request before contacting us! Maybe we couldn't reply to you in a timely manner. This item is in the category "Home & Garden\Home Improvement\Electrical Supplies\Alternative Energy Supplies\Solar Power Supplies\Solar Water Pumps & Kits". The seller is "22shopde" and is located in this country: CN.