The best working voltage of about 36V. Built-in MPPT controller which can make the best use of solar energy. Over-voltage protection / Under-voltage protection: The pump will stop working automatically when the voltage is too high or too low; Then it will detect the voltage every 10 minutes, and it will start to work automatically when the voltage is between 18V-45V.
The pump can be directly connected to solar panels without battery in sunshine. Specification Name: Solar powered water pump Voltage: 24V Wide Operating Voltage: 18V-45V Power: 756 W Maximum Flow: 3 m3/h Maximum Head: 90 m (295.28 ft) Diameter of pump: 89 mm (3.5 inch) Outlet Diameter: 32 mm (1-1/4 inch) Standard Wiring: 1 m (3.28 ft) Protection Class: IP6. 24V High Quality Deep Well Water Pump Submersible Solar Water Pump Durable. Name: Solar powered water pump.Maximum Head: 90 m (295.28 ft). Diameter of pump: 89 mm (3.5 inch). Outlet Diameter: 32 mm (1-1/4 inch). Standard Wiring: 1 m (3.28 ft). Pump size:Dia 8.9cm H 50cm/3.519.68cm. With 89mm inlet and 32mm outlet. Stainless steel body will not rust. Small size and easy to carry. Brushless motor without need to replace the carbon brush.
If the pump is only working in the sun, you can connect the solar panels directly, without the need for a controller. If the pump also needs to work in the evening or rainy days, you also need to use the battery and the controller. Due to the manual measurement, there might be some error.
Do not mix the positive (+) and negative (-) connection. Do not operate for long time when there is no water in the pump.
The pump is submersible pump, it must be full submerged in the water. PS: 6 mm2 or 10 mm2 copper wire is required when the cable length is too long. The diameter of the pipe connected to the pump must bigger than 1 inch.Don't block or bend the pipe/ intake/ outlet. Feedback is very important to us.
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We work hard to earn your trust and future business. A If you receive a defective item, you may return it or ask for a discount.
Due to time zones, our reply to your questions may not be immediately. If it's non-workdays, please kindly be patient and wait till Monday. 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 "nanhaipuruite-5" and is located in this country: US. This item can be shipped to United States.