Parameter Blade diameter:2.6m Number of blades: 3 Blade material: fiber glass Rated wind speed: 8m/s Start wind speed: 3m/s Working wind speed: 3-25m/s Security wind speed: 40m/s Rated output power: 300w Max output power: 450w Rated speed: 400r/min Type of generator: permanent-magnets-3 phase a.C. Speed regulation: yaw& magnetic resistance output voltage : dc24v Tower type: pull wire tubular tower Normal tower height: 6m Weight of top section: 30kg Necessary battery: 12v 100ah 2 pieces Can supply power for ú¦color tvú¿below 29 inchú¬ú¼lightingú¼electric fan and charger. Packing no. N.W kgs G.W kgs Packing size L (cm) W (cm) H (cm) M3 1 50 62 135 40 31 0.1674 1 3 7 81 55 6 0.0267 3 30 30 200 6 6 0.0216 5 83 99 0.2157