Flip open our catalog and you will find solar panels rated from 5w-280w,such as mono-and poly-crystalline solar panel, PV modules.Maximum Power(W)270w Power Tolerance(%) 5 Maximum Power Voltage(Vmp) 35.8Maximum Power Current(Imp) 7.55Open circuit Voltage(Voc) 44.2Short circuit Current(Isc) 8.09 Maximum System Voltage(VDC)750Function:Anti-reflective solar glass;Long service lifeAD modules will last for at least 25 years5 years warranty on material and workmanship and guarantee their output at 90% after 10 years and 80% after 25 years;Excellent construction.