<p><span style="color: rgb(51, 51, 51); font-family: "Amazon Ember", Arial, sans-serif; font-size: small;">320W solar panel – Maximum power 320W (STC*) – Efficiency 21.13% – Power guaranteed 0 + 5 W – Maximum voltage (Vmp) = 34.50 V – Maximum current (Imp) = 11 A – Open circuit voltage (Voc) = 41.7 V – Short circuit current (Isc) = 11.55A – Dimensions: 69.0 94 in x 1038 mm x 35 mm - Mass = 19.5 kg - Cell type: Mono 83 x 166, 120 cells - Operating temperature: -40°C - 85°C Warranty: 15 years Certifications: TUV(IEC61215/IEC61730), PIDC. (IEC612) 15/IEC61730), Ammonia(IEC62716), Salt mist corrosion(IEC61701) CE, SGS, INMETRO, CQC, ISO9001, ISO14001, OHSAS18001. STC* = Irradiance 1000W/m², Temperature Module 25°C, Air Mass 1.5</span></p>