Detailed Product Description wind generator equipment 1.CE proved+7 patents 2.high efficiency+small size 3.NO MOQ+wholesale price 4.professional factory 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