... 2,Power:260W/36V 3,High efficien solar PV module1,Certification:CE ,TUV,ISO 9000,ROHS ... *992*50mmFront Glass Thikness(mm)3.2Maxium System Voltage (V)1000Temperature Coefficients of Isc(%)0 ... ,7.53gWeight Per Piece(KG)23Cell Efficiency for 180W(%)>17%Frame(Material Corners,etc.)Anodized Aluminum ... Type)TPTWarranty3 years for the whole product, for the power,90% for 10 years, 80% for 25 yearsStandard Test ...