Solar panel :Trina-vertex-655w,
PV MODULE :Pmax 655,Vmp 37.6V,Imp 17.43A,Voc 45.5V,Isc 18.48A,
Efficiency 21.1%,Number of cells :132 cells, Warranty: 25 years Power Warranty,
Annual Power Attenuation: 0.55%,
Temperature Coefficient of PMAX:– 0.34%/°C
click here to download the datasheet.