... hybrid system 300wwe specialize in manufacturing :a,vertical axis wind turbine (VAWT) :300W,500W,1KW,2KW,3KW, ... -25Survival wind speed(m/s)40Rotation speed(rpm)400Number of blades3Tower height(m)6Controller and inverterCharging controller and ... pure sin wave inverterBattery reference12V100AH*2Power capabilities21 in. and under TV,electric fans, lighting, charging various appliances wind ...