Name:Solar Powered Pump Model:672170. Color:gray Materials:304 stainless steel Rated Voltage: 24V DC Max Power: 284W Input Voltage: 18v-45v Max Head: 40m Max Flow: 2m³/H Standard Wiring: 1m Intake:76mm Outlet:25mm Rotation Speed:3500r/m Protection Class:IP68 Recommended Solar Panels: 430w-570w 36V. Built-in MPPT controller, can be directly connected to solar panel or battery -18V-45V wide working voltage for different system (36V solar panel is recommended) -Screw pump design, provides constant high efficiency with variable capacity, the flow will not change with pump head -Brushless motor long life, no need to replace the carbon brush, maintenance-free -304 stainless steel body and outlet, anti-rust, for underwater working.If the pump is only working in the sun, you can connect it to the solar panels directly, no need for a controller. If the pump also needs to work in the evening or rainy days, external battery and controller is required (not included). Due to the manual measurement, there might be some error. 1 x Solar Powered Pump. Water pump and built-in controller Only, solar panels is not included. The item "24V DC 2m³/H Shallow Well Solar Water Pump 284W Submersible Bore Hole Deep MPPT" is in sale since Wednesday, May 13, 2020. 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 "nuflower2009" and is located in Shenzhen. This item can be shipped worldwide.