Detailed Product Description battery based wind turbine generator 30kw 1.higher generating efficiency above 0.92 2.lower start up wind speed 2.5m/s. deep cycle battery based wind turbine generator 30kw rated power 30000W max power 45000W charging voltage DC 360V blade quantity 3 PCS blade material GRP blade diameter 10.0m start up wind speed 2.5m/s rated wind speed 11m/s rated rotating speed 160rpm wind energy utilizing ratio(Cp) 0.42 generator output single phase conversion AC output frequency 50HZ reated charging current 125A max charging current(in a short time) 190A generator efficiency 0.92 above tower specification hydraulic tower or freestanding tower tower height 18M net weight of generator 800kgs suggested battery size 600AH/1000AH