Vertical Axis Wind Turbine 1000w

1,silent,
2,won't be influeced by wind direction.
3,low start up wind speed.
4,can work in low wind speed
Blades Material:Aluminium alloy
Size OF Blade(H*W) mm:2000*950
Quantity of the blades: 5
Diameter (MM):2500
Generator:PMG
Rated wind speed: 8m/s
Rated power:1000 W
Start up wind speed:3(m/s)
Operating wind speed:3-25(m/s)
Free stand tower :8m
Security wind speed:40(m/s)
Output controller system:charger and inverter
Capacity and quantity of battery(reference):4PCS*100AH