Blade diameter 2.5m Rated Rotated speed 50 Rated wind speed 10m/s Rated power 2000W Max voltage 3000w Output voltage 96v/48v Start up wind speed 2.5(m/s) Operating wind speed 3-30(m/s) Security wind speed 50(m/s) Height of tower 8m Weight of top section 232/252kg Output controller system charger and inverter Capacity and quantity of battery(reference) 12V100AH 8pcs can supply power for ice box, washer, water pump, tv, lighting, electric fan, charger. Wooden case packing.