Solar cell: 19%-21%High efficiency
Tempered glass: Anti-reflecting coating
Aluminum frame
Life time: 25 years
IEC CE ROHS
sunpower cells; 21% high effeciency; looks like very charming and elegant; excellent quality.
FD-100W-SP is a imported cells; More than 20.5% high effeciency; looks like very charming and elegant.
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