Model: MS3.2-1000W Numbers of Blade: 3pcs Material of Blade: Reinforced fiber glass Diameter of blade: 3.0m Start (cut-in) wind speed: 2m/s Rated Wind Speed: 9 m/s Furling wind speed: 12m/s Outage (cut-out) wind speed: 35m/s Rated rotating speed: 400rpm Security wind speed: 45m/s Wind energy ratio: 40% Generator: Permanent Magnetic alternator Generator rated power: 1000w Max output power: 1500w Output voltage: 56V Nominal Overspend Protection: Auto Furl Type of off-course: wind direction is decided by tail Pole: Flexibility Guy Pole height: 6m Pole diameter: 114*325mm Charging control: Electron control Power generation of year: 2500kwh Inverter: Pure sine wave inverter Matching Battery: 4pcs 12v-200AH deeply cycle batteries Time of charging: above 15 hours Life expectancy: 15-20 years