500W Wind Turbine with MPPT Controller 8 Blades Wind Generator Kit for Solar Power Generation System 12V Item Type: Wind Turbine Kit Model: S7 Rated Power: 500W Maximum Power: 550W Starting Wind Speed: 2.5m/s Rated Wind Speed: 10m/s Safe Wind Speed: 65m/s Maximum Wind Speed: 70m/s Wind Turbine Diameter: Approx. 1.2 meter / 3.9ft Rated Speed: 480rpm Number Of Blades: 8 Blade Material: Nylon Fiber Generator Shell: Cast Aluminum Alloy Generator Type: 3 Phase AC Permanent Magnet Generator Controller System: Electromagnetic, Off Course Adjustment Method: Wind direction angle automatic adjustment Working Temperature: -40-80℃ Features: 1. Intelligent control through high power tracking microprocessor, effectively adjust current and voltage. 2. Low wind speed, high wind power; Small size, beautiful appearance, small running vibration. 3. Humanized design and installation, convenient equipment installation, maintenance and repair. 4. The shell is made of aluminum alloy die casting, which has strong typhoon resistance, safer operation and more reliable operation. 5. The wind turbine blade adopts nylon fiber, coupled with the optimization of aerodynamic shape design and structural design, the wind power utilization rate is high, and the annual power generation is increased. 6. For charging boats, gazebos, cabins or mobile homes as well as green mills, homes, businesses and industrial power batteries