SpecificationsMaximumoutputpower:10WMaximumoutputvoltage:17.4VMaximumoutputcurrent:0.57AOpen-circuitvoltage:21.6VShort-circuitcurrent:0.63ACellefficiency:16%Tolerancewattage: 3Standardtestingconditions:AM1.5,1,000W/m ,25 CMaximumsystemvoltage:715VDCDimension:340x285x25mmWeight:1.4kgResistances:227gsteelballfalldownfrom1mheightand60mwindFrame:anodizedaluminumalloyGlass:lowironhightransmissive3.2mmtoughenedglassWarranty:5yearsformaterialandworkmanship90%poweroutputin15yearsand80%poweroutputin25years