Best Open Circuit Voltage Range:60-90v. 4pcs 280-300w Solar Panels Each Panels. Solar Water Pump, Durable for Home and Industrial Use. Permanent Magnet Dc Brushless Synchronous Motor, Designed for Solar, with 15-20% Efficiency Improved.The Solar Water Pump Controller Drives the High Efficient Brush-less Dc Pump Motor, Utilizing the Latest Mppt Technology to Ensure Maximum Flow Is Delivered Under All Light Conditions. It Also Protects the Submersible Pump from Frequent Start up in Low Light Conditions, Overheating & Running Dry. Longer Working Life and High Reliability. The Pump Stops Working Automatically When There Is No Water in the Well, and Automatically Start Working 15-30 Minutes. If You Need a Solar Panel Solution, Please Contact Customer Service at Any Time.
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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 "balalastore8" and is located in this country: US. This item can be shipped to United States.