Solar panel

Silfab SIL-400 HC+ (Prime)

Normalized specs with provenance: where each number came from, how confident we are, and when it was recorded.

W400
Voc43.0
Vmp36.1
Isc11.58
Imp11.10
Eff %20.2
Cellmono PERC
Size in75.3 x 40.8 x 1.4
lb47
Fuse A20
Temp coeff %/°C-0.36
Product wty25
Perf wty30
Max system v1000
NotesUS-made (WA/NY). 132 half-cells. Product warranty 12yr base, 25yr with registration.
Provenancemanufacturer datasheet · confidence: verified · recorded 2026-08-19

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Numbers are from the manufacturer datasheet or primary retailer spec page as recorded on the date shown; verify against the current datasheet before you buy. How this site researches.