Detailed Product Description 3kw wind turbine,wind generator,wind turbine generatorRotor diameter: 4m Blades quantity: 3 ... about 10 hours Weight: 396kg(without mast)3KW generator is applicable to daylight lamp, TV and 750W ... single-water pump,when there is no wind and the batteries are full. The batteries can ... days. If the wind speed is about 9 m/s every year., the generator run 4000 hours,the ...