... High effeciency, competitive price IEC/CE/ISO, 25-year warranty Solar panel, high efficiency156x156 mm polycrystalline photovoltic (PV) cell NOCT: 48 ... Type:4mm2Length of Cables: 900mm Remarks:STC: Irrandiance 1000W/m2, Module temperature 25 degree centigrade, AM1.6 spectrum.NOCT: Nominal Operating ... 90% power output25 years limited warranty on 80% power output solar panel