some information of the wind turbine PW-200 Rated power(W)200 Rated voltage(V)24 Rotor diameter(m)2.2 Start-up wind speed(m/s)2.5 Rated wind speed(m/s)6 Security wind speed(m/s)35 Furling type:steel Rated rotating rate(r/m) 550 Generator material:casted iron Blade material:fiber glass Blade quantity:3 Guy cable tower high(m)t:6 Tower thickness(mm)2.5 Tower diameter(mm)48 Suggested-battery capacity :2pcs12V150AH