... diameter2.4m Blade materialFRPSwept area4.5m2 Start up wind speed2m/s Work wind speed2-24m/sRotation speed150r/minNumber of blades5Turbine weight73kg ... 4pcsService life20-25 yearsProduct Description:Our 1,000 watt vertical wind turbine is unlike any other on the market today. ... the-grid, public, private, and business use. It can supply power for charging stations, water pumps (285W and under), TV, ...