Detailed Product Description wind power generator 1.CE proved+7 patents 2.high efficiency+small size 3.NO MOQ+wholesale price 4.professional factory wind power generator The Model Hummer H3.1-1000W Wind Power Generator has the great advantages of high efficiency and low rated wind speed. It introduces several patented technologies and uses some special materials. Application of Model Hummer H3.1-1000W Wind Power Generator It can drive air-condition (1 horsepower), pump or other electrical appliances (1KW). Well used in: Housing Telecommunications Station TV Transfer Station Monitoring Station (military, hydrology, observatory) Water-pumping Station Technical parameters Rated power (W) 1000 Maximum output power (W) 2000 Charging voltage(V) DC 60 Blade quantity 3 Rotor blade material GRP Rotor blade diameter (ft.) 10 (3.1m) Start-up wind speed (mph) 7 (3.0m/s) Rated wind speed (mph) 20 (9.0m/s) Rated rotating rate (r/min) 500 Wind energy utilizing ratio (Cp) 0.45 Generator output Frequency conversion AC Output AC frequency (Hz) 0~400 Rated charging current (A) 16.7 The maximum charging current (in a short time) (A) 30 Generator efficiency >0.8 Tower diameter (in.) 3.578.70.1 (8920003.5 mm) (4pcs) Tower height (ft.) 26 (8m) Weight of generator (lb) 33 (15kg) Suggested Battery (Ah) 120/150