... -300W for poly, mono 2) High efficiency:17%, good performance 130W Polycrystalline Silicon Solar PanelsElectrical DataPOLYSYW-130WNominal peak power(Pmax)130WpMaximum ... years:Materials and workmanship defects CertificatesCE,ISO,IE(TUV),Cellspolysilicon 130W Polycrystalline Silicon Solar Panels