Detailed Product Description wholesale price wind energy generator 1.CE proved+7 patents 2.high efficiency 3.NO MO+wholesale price 4.factory 500W home wind turbine with the features of : Small & light strucutre ,which has patented technologies ,the weight of its generator just 6.5kg. Swift start up at low wind speed:Its start up wind speed is 3m/s Low rated wind speed:7m/s High output efficiency: The generator efficiency is more than 0.78 ,max output is 1000W 500W home wind turbine with CE certificate ,very easy to install . The main technical data of Hummer 500w home wind turbine is : Rated power(W) 500 Maximum output powerW 1000 Charging voltage (V) DC 24 Blade quantity 3 Blade material GRP Blade diameterm 2.7 Start-up wind speed (m/s) 3.0 Rated wind speed (m/s) 7.0 Rated rotating rate (r/min) 600 Wind energy utilizing ratio (Cp) 0.48 Generator output Single-phase frequency conversion AC Output AC frequency (Hz) 0~300 Rated charging current (A) 15 The maximum charging current (in a short time )(A) 25 Generator efficiency >0.78 Tower diameter(mm) 7620003 (3pcs) Tower height(m) 6 Generator weight (kg) 6.5 Battery 12V 150Ah/200Ah 2pcs