The Technical Specifications to be considered can be directly identified from the PV module datasheet include:
•    Technology type (mono-, poly-crystalline Silicon, thin-film)
•    Efficiency (%)
•    Peak power and tolerance (W)
•    Temperature coefficients (%/°C)
•    Nominal Operating Cell Temperature (°C)
•    Bypass Diodes
•    Package type
•    Dimensions/Weight
•    Manufacturer specific patented technology