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. If the pump is only working in the sun, you can connect the solar panels directly.
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.
With 89mm inlet and 32mm outlet. Stainless steel body will not rust. Small size and easy to carry. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Hydroponics\Hydroponic Systems, Parts & Accessories\Water Pumps". The seller is "ksrn1991" and is located in this country: CN.
This item can be shipped worldwide.