Technological parameters for Wind Generator-EFD-200-L Model:EFD-200-L Rated Power(W): 200 Rated Voltage: 24VDC Rotor Diameter(m): 2.2 Start-up Wind Speed(m/s): 3 Rated Wind Speed(m/s): 6 Security Wind Speed(m/s): 16 Rated Rotate Speed(r/m): 450 Blades Material: Fiber Glass Number of Blades: 3 Tower Height(m): 4.5 Tower Diameter(mm): 60 Inverter Type: Modified Wave Suggested Batteries Capacity: 12V100AH ×2