255W260W265W270W275W280W Warranty Product Warranty10 Years Power Warranty30 Years of 83% Output Power Electrical Data at STC Maximum Power (Pmax) 255 Wp260 Wp265 Wp270 Wp275 Wp280 Wp Voltage at Maximum Power (Vmpp) 30.6 V31 V31.4 V31.8 V31 V31.4 V ...