Solar Panel Comparison
JA Solar DeepBlue 4.0 Pro 580W Bifacial vs Suntech Ultra V Pro Mini 445W All Black
The DeepBlue 4.0 Pro 580W Bifacial delivers 580W, 135W more than the Ultra V Pro Mini 445W All Black at 445W.
Both panels share the same 22.5% efficiency rating.
They use different cell technologies: DeepBlue 4.0 Pro 580W Bifacial uses N-type TOPCon 182mm, while Ultra V Pro Mini 445W All Black uses N-type TOPCon.
Here's how they compare across all key specifications.
Spec
JA Solar
DeepBlue 4.0 Pro 580W Bifacial
580W
22.5% efficiency
Suntech
Ultra V Pro Mini 445W All Black
445W
22.5% efficiency
Full Specification Comparison
| Spec | DeepBlue 4.0 Pro 580W Bifacial | Ultra V Pro Mini 445W All Black |
|---|---|---|
| Performance | ||
| Power Output | 580 W | 445 W |
| Efficiency | 22.5% | 22.5% |
| Cell Type | N-type TOPCon 182mm | N-type TOPCon |
| Temp. Coeff. | -0.3 %/°C | — |
| Number of Cells | 144 | 108 |
| Bifacial | Yes | No |
| Electrical | ||
| Voc | 51.3 V | 39.11 V |
| Vmp | 43.03 V | 32.87 V |
| Isc | 14.36 A | 14.49 A |
| Imp | 13.48 A | 13.54 A |
| Max System Voltage | 1500 V | 1500 V |
| Operating Temp | -40 to +85 °C | -40 to +85 °C |
| Physical | ||
| Dimensions | 2278x1134x30 mm | 1722x1134x30 mm |
| Weight | 31.8 kg | 21 kg |
| Frame Colour | Silver | Black |
| Connector Type | MC4 | MC4 |
| Junction Box IP | IP68 | IP68 |
| Warranty & Certification | ||
| Product Warranty | 12 years | 25 years |
| Power Warranty | 30 years linear (0.4%/yr) | 30 years linear |
| MCS Certified | Yes | Yes |
| Certifications | IEC 61215, IEC 61730, IEC 61701, IEC 62716, CE, TUV SUD, TUV NORD | IEC 61215, IEC 61730 |
Frequently Asked Questions
Which is more efficient, the DeepBlue 4.0 Pro 580W Bifacial or the Ultra V Pro Mini 445W All Black?
Both the DeepBlue 4.0 Pro 580W Bifacial and Ultra V Pro Mini 445W All Black have the same efficiency rating of 22.5%.
Which panel produces more power, the DeepBlue 4.0 Pro 580W Bifacial or the Ultra V Pro Mini 445W All Black?
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 Ultra V Pro Mini 445W All Black.
Which solar panel should I choose for my home — the DeepBlue 4.0 Pro 580W Bifacial or the Ultra V Pro Mini 445W All Black?
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 →Suntech
Ultra V Pro Mini 445W All Black
445W · 22.5% efficiency · N-type TOPCon
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.