Solar Panel Comparison
JA Solar DeepBlue 4.0 Pro 580W Bifacial vs Trina Solar Vertex S+ Bifacial Dual Glass 445W
The DeepBlue 4.0 Pro 580W Bifacial delivers 580W, 135W more than the Vertex S+ Bifacial Dual Glass 445W at 445W.
DeepBlue 4.0 Pro 580W Bifacial has a higher efficiency of 22.5% versus 22.3% for the Vertex S+ Bifacial Dual Glass 445W.
They use different cell technologies: DeepBlue 4.0 Pro 580W Bifacial uses N-type TOPCon 182mm, 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
JA Solar
DeepBlue 4.0 Pro 580W Bifacial
580W
22.5% efficiency
Trina Solar
Vertex S+ Bifacial Dual Glass 445W
445W
22.3% efficiency
Full Specification Comparison
| Spec | DeepBlue 4.0 Pro 580W Bifacial | Vertex S+ Bifacial Dual Glass 445W |
|---|---|---|
| Performance | ||
| Power Output | 580 W | 445 W |
| Efficiency | 22.5% | 22.3% |
| Cell Type | N-type TOPCon 182mm | N-type i-TOPCon 1/3-cut |
| Temp. Coeff. | -0.3 %/°C | -0.3 %/°C |
| Number of Cells | 144 | 144 |
| Bifacial | Yes | Yes |
| Electrical | ||
| Voc | 51.3 V | 52.6 V |
| Vmp | 43.03 V | 44.3 V |
| Isc | 14.36 A | 10.71 A |
| Imp | 13.48 A | 10.05 A |
| Max System Voltage | 1500 V | 1500 V |
| Operating Temp | -40 to +85 °C | -40 to +85 °C |
| Physical | ||
| Dimensions | 2278x1134x30 mm | 1762x1134x30 mm |
| Weight | 31.8 kg | 21 kg |
| Frame Colour | Silver | Black |
| Connector Type | MC4 | MC4-EVO2 |
| Junction Box IP | IP68 | — |
| Warranty & Certification | ||
| Product Warranty | 12 years | 25 years |
| Power Warranty | 30 years linear (0.4%/yr) | 30 years linear (0.4%/yr) |
| MCS Certified | Yes | Yes |
| Certifications | IEC 61215, IEC 61730, IEC 61701, IEC 62716, CE, TUV SUD, TUV NORD | IEC 61215, IEC 61730, UL, CEC, IEC 61701, IEC 62716 |
Frequently Asked Questions
Which is more efficient, the DeepBlue 4.0 Pro 580W Bifacial or the Vertex S+ Bifacial Dual Glass 445W?
The DeepBlue 4.0 Pro 580W Bifacial 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 DeepBlue 4.0 Pro 580W Bifacial or the Vertex S+ Bifacial Dual Glass 445W?
The DeepBlue 4.0 Pro 580W Bifacial has a higher rated output at 580W. 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 DeepBlue 4.0 Pro 580W Bifacial 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.
JA Solar
DeepBlue 4.0 Pro 580W Bifacial
580W · 22.5% efficiency · N-type TOPCon 182mm
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.