"Product Information Model: 1kw H-3.1-1kw Wind turbine which features high efficiency and low rated wind speed introducing several patented technologies and some special materials. All of the wind generators are matched with wind-solar hybrid inverter controller, which can connect solar panel within 500w simultaneously. Please contact us for the detail The off-grid wind turbine is matched with 5pcs batteries in series, and on-grid system can connect to state grid. Fuse Parameters of batteries and solar panels are 500V, 30A. Application Well used in: à Housing à Telecommunications Station à TV Transfer Station à Monitoring Station (military, hydrology, observatory) à Water-pumping Station Technical parameters Rated power(W) 1000 Maximum output powerW 2000 Charging voltage(V) DC 60V 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) $89X3.5Ã2000 Tower height(m) 8 Weight of generator (kg) 15 Battery 12V 150Ah/ 200Ah 5pcs "