... ,T/T,L/C 3, high efficiency Solar Panel Model GT-72M-Series265270275280Max. power at STC (Pm)265W270W275W280WOpen-circuit voltage (Voc ... 600V (UL) NOTE 1, STC: irradiance 1000W/M2, module temperature 25°C, AM=1.5 SPECIFICATIONS Cell Size156mm*156mm No. of ... Hailstone Impact25mm at 23m/s 185w Poly Solar Panel with 25 years warranty