Green Energy---20KW Wind Turbine Specification: Model Number: FD12.0-20KW Rotor Blade Diameter: 12.5m Number of Blades: 3pcs Materials of Blade: FRP Rated Rotation Speed: 160(r/m) Type of Generator: Permanent-magnet 3 Phase AC Rated Power: 20KW Max Power: 30KW Output Voltage: 380v Cut-in Wind Velocity: 3(m/s) Rated Wind Velocity: 12(m/s) Working Wind Velocity: 3-30(m/s) Survival Wind Velocity: 50(m/s) Tower Height: 18m Type of Tower: Manganese steel independence tower Material of Tower: 325mm Manganese Steel Tube Tower Weight: 180kg Main Body Weight: 750kg Output controlling system: Electrified Controller & Inverter Speed Regulation Method: Yaw Stop Method: Brake by Hand Drag Measurement (CBM): 8.5 Life Span: 15 years Warranty: 1 year Recommended Batteries: 12V200AH, 60 pieces Can load: Light, fan, charger, TV, pump, washer, refrigerator, electric cooker, air conditioner and small village power supply Authentication: CE certificate