500w wind turbine for off grid

{"cid":"91190745","title":"2kw 3Kw Wind Turbine For Home Vertical Axis Wind Generator Connect To Grid","imgUrl":"","attrs":{"Price":"$299-32999","Brand Name":"GreeF","Model Number":"GV-500W","Minimum Order Quantity":"1 Set","Delivery Time":"25-30 working days","Certification":"CE","Place of Origin":"CHINA","Payment Terms":"L\/C, T\/T, Western Union, MoneyGram","Packaging Details":"Foam + Plywooden Case","Model":"GV-500W","Rated Power":"500W","Max Power":"650W","Start Wind Speed":"1m\/s (2.24mph)","Rated Wind Speed":"10m\/s(22.4mph)","Working Wind Speed":"1-25m\/s (2.24-56 mph)","Generator Type":"Axial Flux coreless disc permanent magnet direct drive generator","Rated Rotor Speed":"200RPM","Blades Material":"FRP","Warranty":"3 Years"}}

{"cid":"91185580","title":"Magnetic Levitation Smart Power Application Off Grid Wind Energy 500W 48V","imgUrl":"https:\/\/img.ismap.com\/nimg\/00\/fe\/002d7ced416569f21dedb769caee-200x200-1.jpg","attrs":{"Price":"negotiation","Brand Name":"HICORPWELL","Model Number":"500W 48V Wind Turbine Smart Energy Power Application","Minimum Order Quantity":"1set","Delivery Time":"15 working days","Certification":"IEC & Intetek","Place of Origin":"China","Payment Terms":"Western Union, L\/C, T\/T","Supply Ability":"200pcs Per Month","Packaging Details":"Plywood Package 0.88 CBM","Name":"500W 48V Wind Turbine","Blades Qty":"7 (3 Darrieusand 4 Savonius)","Color":"Red & blue, Sliver and customrized","Advantage":"Magnetic levitation technology","Start wind speed":"1m\/s","Dimension (Height\/Diameter)":"\u00d81540mm \/ 1320mm","Net \/Gross Weight":"50 kg\/ 86kg","Volume Weight":"100KG","Cut-off wind speed":"15m\/s","Survival wind speed":"60m\/s"}}