Power 300W Diameter of wind wheel 2.6m Rated speed (rpm) 400 Rated wind speed 8m/s Rated power 300w Maximum power 450w Output voltage 24v Starting wind speed 3m/s Working wind speed 3-25(m/s) Security wind speed 40m/s Top quality except tower 30Kg height of tower 6m Tower size (diameter*thickness)mm í+60*3 Controller parameter 24V 40A Inverter Parameter DC24V í·userí»s local voltage & frequecy Suggested capacity of storage battery "12V100AH 2 pcs" plywood