Model EA-WG200 EA-WG300 EA-WG500 Rated power(W) 200 300 500 Rated voltage (V) 24 24 24 Rotordiameter(M) 2.2 2.5 2.5 Start-up wind speed(m/s) 3 2.5 2 Rated wind speed(m/s) 6 7 8 Security wind speed(m/s) 35 35 35 Rated rotating rate (r/m) 450 400 400 Blade material fiber glass fiber glass fiber glass Blade quantity 3 3 3 Tower height (m) 4.5 6 6 Tower thickness(mm) 2.5 2.5 3.25 Tower diameter (mm) 60 76 89 Matched battery capacity 12V100AH2PCS 12V150AH2PCS 12V200AH2PCS