SolarWish

Comparing 2 Solar Panels

Side by side on wattage, efficiency, temperature performance and warranty. Winners are highlighted per row.

Q-Cells Q.PEAK DUO
Q-Cells Q.PEAK DUO XL-G10.3 470 (470W)
84
SCORE
Silfab
Silfab SIL-490 HN (490W)
76
SCORE
DC Electrical Characteristics
STC Power Rating 470W470490490W470490
PTC Power Rating 443.95W443.95456.48456.48W443.95456.48
STC Power per unit of area 18.9W/ft (203.0W/m)19.4W/ft (208.8W/m)
Peak Efficiency 0.2030.2030.20880.20880.2030.2088
Power Tolerances 0%/+5%0%/+10%
Number of Cells 156156
Imp 10.51A10.5110.8310.83A10.5110.83
Vmp 44.73V44.7345.2345.23V44.7345.23
Isc 11.04A11.0411.3611.36A11.0411.36
Voc 52.91V52.9153.9653.96V52.9153.96
NOCT 42°C424545°C4245
Temp. Coefficient of Power -0.34%/K-0.36%/K
Temp. Coefficient of Voltage -0.143V/K-0.151V/K
Series Fuse Rating 20A20A
Maximum System Voltage 1500V1500V
Mechanical Characteristics
Type MonoMono
Output Terminal Type Multicontact Connector Type 4Multicontact Connector Type 4
Frame Color ClearClear
Backsheet Color WhiteWhite
Length 87.2in (2,216mm)89.1in (2,263mm)
Width 41.1in (1,045mm)40.8in (1,037mm)
Depth 1.4in (35mm)1.4in (35mm)
Weight 64.2lb (29.1kg)56.9lb (25.8kg)
Installation Method Rack-MountedRack-Mounted
Warranty and Certifications
80% Power Output Warranty Period 30yrs253025yrs2530
90% Power Output Warranty Period 20yrs122012yrs1220
Workmanship Warranty Period data not available25yrs
UL Fire Classification Type 2Type 1
Compliances IEC 61215, IEC 61730, TUVUL 1703, IEC 61215, IEC 61730
CSI Listed