250W Poly Solar Panels

Product Description 1)Long lifetime: more than 25years,less power decrease. 2)Good performance of preventing from atrocious weather such as wind and hails. 3)Resisting moisture and etching effectively,not effect by geology. 4)Warranty:10 year product warranty,and Pmax is no less than 90% in 10 years and 80% in 20 years. 5)Tolerance:+/-5%, solar cell`s efficiency can get to above 16%. 6)Certificate:TUV,IEC61215,IEC61730,CE and ISO9001:2000. 7)System voltage:12V/24V/36V/48V Technical Parameters Workshop Project Refrences About us KOI can offer newest design various styles of lights, with more than 10 years experiences in manufacturing solar street lights, with a professional engineers team and hard working workers. we own a good reputation over the world. you can choose the style and material by yourself. If you have any  interesting in our products, please feel free to let us know. Our services 1. Small quantity order accepted, monthly supply 40,000pcs items.2. Your inquiry related to our products will be replied in 12 hours.3. Well trained and experienced staffs answer all your inquiries in English or other languages.4. OEM service provided.