Solar panel
Trina Vertex S TSM-420DE09R.08
Normalized specs with provenance: where each number came from, how confident we are, and when it was recorded.
| W | 420 |
|---|---|
| Voc | 50.1 |
| Vmp | 42.0 |
| Isc | 10.58 |
| Imp | 10.01 |
| Eff % | 21.0 |
| Cell | mono PERC |
| Size in | 69.37 x 44.65 x 1.18 |
| lb | 48 |
| Fuse A | 20 |
| Temp coeff %/°C | -0.34 |
| Product wty | 15 |
| Perf wty | 25 |
| Notes | 144 third-cut cells. Signature Solar now sells successor Vertex S+ TSM-NE09RC.05 420W bifacial at $156.95 (Voc 50.9, Isc 10.43, 47 lb, 25/25yr). |
| Provenance | manufacturer 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.