Solar Panel Comparison
Trina Solar Vertex S+ 450W Dual Glass Full Black vs Trina Solar Vertex S+ Bifacial Dual Glass 445W
The Vertex S+ 450W Dual Glass Full Black delivers 450W, 5W more than the Vertex S+ Bifacial Dual Glass 445W at 445W.
Vertex S+ 450W Dual Glass Full Black has a higher efficiency of 22.5% versus 22.3% for the Vertex S+ Bifacial Dual Glass 445W.
They use different cell technologies: Vertex S+ 450W Dual Glass Full Black uses N-type i-TOPCon Triple-Cut, while Vertex S+ Bifacial Dual Glass 445W uses N-type i-TOPCon 1/3-cut.
Here's how they compare across all key specifications.
Spec
Trina Solar
Vertex S+ 450W Dual Glass Full Black
450W
22.5% efficiency
Trina Solar
Vertex S+ Bifacial Dual Glass 445W
445W
22.3% efficiency
Full Specification Comparison
| Spec | Vertex S+ 450W Dual Glass Full Black | Vertex S+ Bifacial Dual Glass 445W |
|---|---|---|
| Performance | ||
| Power Output | 450 W | 445 W |
| Efficiency | 22.5% | 22.3% |
| Cell Type | N-type i-TOPCon Triple-Cut | N-type i-TOPCon 1/3-cut |
| Temp. Coeff. | -0.29 %/°C | -0.3 %/°C |
| Number of Cells | 144 | 144 |
| Bifacial | Yes | Yes |
| Electrical | ||
| Voc | 52.9 V | 52.6 V |
| Vmp | 44.6 V | 44.3 V |
| Isc | 10.74 A | 10.71 A |
| Imp | 10.09 A | 10.05 A |
| Max System Voltage | 1500 V | 1500 V |
| Operating Temp | -40 to +85 °C | -40 to +85 °C |
| Physical | ||
| Dimensions | 1762x1134x30 mm | 1762x1134x30 mm |
| Weight | 21 kg | 21 kg |
| Frame Colour | Black | Black |
| Connector Type | — | MC4-EVO2 |
| Warranty & Certification | ||
| Product Warranty | 25 years | 25 years |
| Power Warranty | 30 years (87.4% yr30, 0.4%/yr) | 30 years linear (0.4%/yr) |
| MCS Certified | Yes | Yes |
| Certifications | IEC 61215, IEC 61730, IEC 62804, IEC TS 63209 | IEC 61215, IEC 61730, UL, CEC, IEC 61701, IEC 62716 |
Frequently Asked Questions
Which is more efficient, the Vertex S+ 450W Dual Glass Full Black or the Vertex S+ Bifacial Dual Glass 445W?
The Vertex S+ 450W Dual Glass Full Black is more efficient at 22.5%, compared to 22.3% for the Vertex S+ Bifacial Dual Glass 445W. Higher efficiency means more power generated per square metre of roof space.
Which panel produces more power, the Vertex S+ 450W Dual Glass Full Black or the Vertex S+ Bifacial Dual Glass 445W?
The Vertex S+ 450W Dual Glass Full Black has a higher rated output at 450W. This means fewer panels would be needed to reach the same system size compared to the Vertex S+ Bifacial Dual Glass 445W.
Which solar panel should I choose for my home — the Vertex S+ 450W Dual Glass Full Black or the Vertex S+ Bifacial Dual Glass 445W?
The right choice depends on your priorities. If maximising energy generation per panel is key, consider efficiency and wattage. If budget is your main concern, compare price per watt. Both panels have their merits — use our Solar Estimator to see how each would perform in your specific home setup.
Trina Solar
Vertex S+ 450W Dual Glass Full Black
450W · 22.5% efficiency · N-type i-TOPCon Triple-Cut
View full specs →Trina Solar
Vertex S+ Bifacial Dual Glass 445W
445W · 22.3% efficiency · N-type i-TOPCon 1/3-cut
View full specs →More Comparisons
See how these panels perform in your home
Use our Solar Estimator to calculate system size, installation cost, and payback period — with either of these panels as a starting point.