Maximum power (watt) 75 W Production tolerance +3% /-3% Maximum power voltage 16.8 V Maximum power current 4.47 A Open circuit voltage 20.5 V Short circuit current 4.80 A Size of module (wide and high) 1200*550*35mm Weight 9.5Kg Frame(type, material and thickness) Anodized Alum. Alloy 46mm thickness Number of cells 36pcs By pass Schottky diode(3pcs) 10A Type of junction box TUV certified junction box Certificates CE, ROHS,ISOIEC,TUV carton and pallet size: 1200*550*35mm