TheSPM40-Mseriesmodulesconsistsof36pcs125x125mmmono-crystallinesiliconsolarcellwithhighefficiency,hightransmissionrateandlowirontemperedglass,anti-agingEVAandhighframeresistantTPTtolaminate,productshavehighefficiency,longlife,easyinstallation,highwindandhailimpactresistance,andmoreadvantagesEncapsulation:glass/EVA/cells/EVA/TPTSizeandnumberofcells:125x125mm36/4x9pcsMaximumpower(Pm):38W，40W, 45WTolerance: 5%Voltageatmaxpower(Vmp):17.4VCurrentatmaxpower(Imp):2.18A，2.3A, 2.58AOpencircuitvoltage(Voc):21.6VShortcircuitcurrent(Isc):2.40A，2.53A,2.84AMaximumsystemopenvoltage:715VDiodes:noneDimensions: 670x 538x23mmWeight:4.5kgOperatetemperaturescope:-40/+85℃Relativehumidity:0to100%Resistances:227gsteelballfalldownfrom1mheightand60m/swindWarranty:Pmisnotlessthan90%in10yearsand80%in25yearsTestconditions:atSTC1,000W/,AM1.5, 25℃Productstandards:modulecertifiedto CE，IEC61215，IEC61730