... 2,steady photovoltaic 3,High efficiency:17% solar PV module1,Certification:CE ,TUV,ISO 9000, ... steady photovoltaic 3,High efficiency:17% Solar battery panelITEM NO.:NZX-60WM18VSolar Cell:125 ... 537*35mmFront Glass Thikness(mm)3.2Maxium System Voltage (V)1000Temperature Coefficients of Isc(%) ... the power,90% for 10 years, 80% for 25 yearsStandard Test ConditionsAM1.5 1000W/ 25 +/-2°C FF (%)73% 60W---solar PV ...