|    Electrical Characteristic  |   |||||||||
|    Rated output (Pmp/Wp)  |      520W  |      525W  |      530W  |      535W  |      540W  |      545W  |      550W  |      555W  |      560W  |   
|    Open Circuit Voltage(Voc)  |      48.9  |      49.05  |      49.20  |      49.35  |      49.50  |      49.65  |      49.90  |      50.05  |      50.20  |   
|    Short Circuit Current(Isc)  |      13.57  |      13.65  |      13.71  |      13.78  |      13.85  |      13.92  |      14.00  |      14.07  |      14.14  |   
|    Maximum Power Voltage(Vmpp)  |      41.05  |      41.20  |      41.35  |      41.50  |      41.65  |      41.80  |      41.96  |      42.12  |      42.28  |   
|    Maximum Power Current(Impp)  |      12.67  |      12.79  |      12.82  |      12.90  |      12.97  |      13.04  |      13.11  |      13.18  |      13.25  |   
|    Module efficiency(%)  |      20.3%  |      20.5%  |      20.7%  |      20.9%  |      21.1%  |      21.3%  |      21.5%  |      21.7%  |      21.9%  |   
|    Standard Test Condition(STC)  |      Irradiance 1000w/m2, Cell Temperature 25 Centigrade, Air Mass 1.5  |   ||||||||
|    Mechanical Characteristic  |   |||||||||
|    No.of Cells  |      144(6x24)  |   ||||||||
|    Weight  |      32.3kg  |   ||||||||
|    Dimension  |      2256x1133x35mm  |   ||||||||
|    Junction Box  |      IP68,three diodes  |   ||||||||
|    Output Cables  |      4mm2,positive 400mm /negative 200mm ,length can be customized  |   ||||||||
|    Glass  |      Dual glass,3.2mm coated tempered glass  |   ||||||||
|    Frame  |      Anodized aluminum alloy frame  |   ||||||||