Detailed Product Description wind generator 1.CE proved+7patents 2.high efficiency+small size 3.NO MOQ+wholesale price 4.professional factory wind generator Hummer H3.1-1000w wind generator is Great in strucutre ,small & light which with patented technologies Great in output, the generator with low energy consumption by itself ,and introduce some special materials , the max output for 1000W wind turbine is 2000W Great in protection from over charging , over voltage , over current , over load etc . Great in running with low noise Great in quality but competitive prices . It well used in house , TV transfer stations , Telecommunication stations , Water-pumping stations etc . The specification for Hummer H3.1-1000w wind generatoris : Rated power(W) 1000 Maximum output powerW 2000 Charging voltage(V) DC 60 Blade quantity 3 Rotor blade material GRP Rotor blade diameterm 3.1 Start-up wind speed (m/s) 3.0 Rated wind speed (m/s) 9.0 Rated rotating rate (r/min) 500 Wind energy utilizing ratio (Cp) 0.45 Generator output Single-phase frequency conversion AC Output AC frequency (Hz) 0~400 Rated charging current (A) 15 The maximum charging current (in a short time )(A) 30 Generator efficiency >0.8 Tower diameter(mm) 8920003.5 (4pcs) Tower height(m) 8 Weight of generator (kg) 15 Battery 12V 150Ah/ 200Ah 5pcs For more detials ,pls feel free to contact with us , we will provide the right products and best solutions for you