Detailed Product Description wind generator for home 1.CE proved+7 patents 2.high efficiency+small size 3.NO MOQ+wholesale price 4.professional factory wind generator for home Main technical data Rated power (W) 3000 Maximum output power (W) 4500 Charging voltage (V) DC 180 Blade quantity 3 Rotor blade material GRP Rotor blade diameter (ft.) 16 (4.8m) Start-up wind speed (mph) 6 (2.5m/s) Rated wind speed (mph) 22 (10.0m/s) Rated rotating rate (r/min) 265 Wind energy utilizing ratio (Cp) 0.4 Generator output Frequency conversion AC Rated charging current (A) 16.7 The maximum charging current (in a short time)(A) 28 Output AC frequency (Hz) 0~360 Generator efficiency >0.8 Wireless tower diameter (in.) 15.6 5.4 (397137mm) (2pcs) Guy tower diameter (in.) 5.5118.10.2 (14030004mm) (4pcs) Tower height (ft.) 39 (12m) The weight of generator (lb) 132 (60kg) Suggested Battery (Ah) 200/300