Rated power(w) 2000 Maximal power(w) 2450 Rated rotation(rmp) 350 Starting torque(n/m) 0.87 Reted speed(m/s) 3.6 Cut-in speed(m/s) 2.5 Normal working speed(m/s) 3-25 Shut down(m/s) 40 Normal output voltage(dc) 48 Optional output voltage(dc) 28-240 Optional minimum outpvoltage(dc) 28 Blade diameter(m) 3.5 Blade material enhanced frp Number of baldes 3 The weight of the main power(kg) 80 The height of the tower(m) 6 The weight of the tower(kg) 57-70 Recommended battery capacity(ah*n) 12v*200ah*4 Export packing standards