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\Home Improvement\Electrical Supplies\Alternative Energy Supplies\Solar Power Supplies\Solar Water Pumps & Kits". The seller is "ksrn0804" and is located in this country: CN.
This item can be shipped worldwide.