vertical axis wind turbine 1kw VAWT

1kw vertical wind turbine:
1.ISO,CE certification
2.High generation efficiency
3.Simple installation
Low start-up wind speed
1kw vertical wind turbine:

Vertical Wind Turbine -- VH Model 1KW
Item/Model
CTV-1KW
Rated Speed (m/s)
8
Rated Power (w)
1000
Working Speed (m/s)
3–25
Rotor Diameter (m)
1.75
OUT DC off grid (v)
48
Blade Length (m)
1.8
Baterry off grid
12V150AH*4
Setup Speed (m/s)
2.5
Height of Tower (m)
6
Generator Type
3 phase permanent magnet,direct driven
Charge Controller
with Automatic Electrical Brake
Pure Sine Wave Inverter
110/220/230v,50/60Hz

the pictures of our VAWT: