The pump can be directly connected to solar panels in sunshine without controller. 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 the working voltage range of the pump.Environmental protection, achieve zero carbon dioxide emissions. Improve the water shortage problems of the area without electricity.
18V Monocrystalline / Polycrystalline solar panels in parallel connection. Village or family water supply. Water supply for bivouac or camping car. 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. 1 PC 30M Water Pump. The item "Solar DC12V 30M 260W Water Pump Submersible Deep Well Bore Pump for Pond Tank" is in sale since Tuesday, June 5, 2018. This item is in the category "Garden & Patio\Ponds & Water Features\Pond & Fountain Pumps". The seller is "renergy2017" and is located in CN. This item can be shipped worldwide.