Detailed Product Description horizontal wind generator 1. CE certification+7patents 2. High power efficiency 3. Low start up wind speed 4. Low noise horizontal wind generator in best quality   Application of Model H6.4-5000W It can drive air-condition (3-5 horsepower), 1.7KW water pump or other resistive appliances (��5KW). Well used in:  Housing and factory and farm  Telecommunication Station  TV Transfer Station  Monitoring Station (military, hydrology, observatory)  Water-pumping Station  shipping   Main technical data Rated power (W) 5000 Maximum output power (W) 7500 Charging voltage (V) DC 240 Blade quantity 3 Rotor blade material GRP Rotor blade diameter (ft.) 21  (6.4m) Start-up wind speed (mph) 6    (2.5m/s) Rated wind speed (mph) 22  (10.0m/s) Rated rotating rate (r/min) 240 Wind energy utilizing ratio (Cp) 0.4 Generator output Frequency conversion AC Rated charging current (A) 20.8 The maximum charging current (in a short time) (A) 32 Output AC frequency (Hz) 0~360 Generator efficiency >0.8 Free standing tower diameter (in.) 19.5*7.3 (?495*?185mm) (2pcs) Guy tower diameter(in.) 8.7*78.7*0.2  (?220*3000*6mm)(4pcs) Tower height (ft.) 39    (12m) The weight of generator (lb) 324  (147kg) Suggested Battery (Ah) 400/600