One unit= 12V+24V two units.

With Smart switch ,can easy change the output voltage 12V and 24V

Use good performance laminate material, the alternator efficiency above 50% than other products.

Carbon Fiber Blades 6KG=600Watts

Configuration: 3 blades, upwind
Rotor Diameter: 46.9 inches (1.191 meters)
Net Weight: 13.9 lb. (6.3Kg)
High-speed control: Hysteresis Braking (slow down)
Over-speed Protection: Hysteresis Braking (shut down)
Electrical Voltage: DC 12V / DC 24V (Voltage Smart Change)
Rated Power: 400Watts(12V) 24V(600Watts)
Max Power: 550Watts(12V) 750Watts(24V)
Start up wind speed: 3m/sec (6.7 mph)
Start Charging wind speed: 2.5m/sec (5.6 mph)
Rated wind speed: 25m/sec (56 mph)
Incision wind speed: 12.5m/sec (28 mph)
Survival wind speed: 60m/sec (134mph)

build-in controller:Microprocessor-based smart internal regulator with
peak power tracking

REMARK:
1m/sec = 2.237mph
1mph = 0.4477m/sec