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  Detailed Product Description1.       rated power: 500W~10KW2.       starting wind speed: 1.5m/s3.       working wind speed: 3~45m/s4.       number of blades: 3~6pcs5.       diameter of wind mill: 4~6m6.       service life: 20years7.       capacity of storage cell: 12V 100Ah x 2~20pcs8.       control system: microcomputer intelligent control9.       ambient temperature: -30~6010.   lighting time: over 8 hours a day normally, capable of working for 5 consecutive days without wind and sunlight