... circuit current (Isc): 8.73AMaximum power voltage (Vmp): 31.20VMaximum power current (Imp): 8.02ACell efficiency: ... 15ASolar cell: 6 x 10 matrix, color poly(156x 156)Junction box: IP65, 1,000V ... 4mm², 900mm length, TUV certificatedEncapsulation: low iron tempered glass, 3.2mm thickness, light transmission above 91%, ... and SGS 250w ploy photovoltaic solar panel with solar cells/CE,IEC,TUV cetificates