Solar Panel Comparison
Eurener Nexa 450W TOPCon All Black vs Suntech Ultra V Pro Mini 445W All Black
The Nexa 450W TOPCon All Black delivers 450W, 5W more than the Ultra V Pro Mini 445W All Black at 445W.
Nexa 450W TOPCon All Black has a higher efficiency of 23% versus 22.5% for the Ultra V Pro Mini 445W All Black.
Both use N-type TOPCon cell technology.
Here's how they compare across all key specifications.
Spec
Eurener
Nexa 450W TOPCon All Black
450W
23% efficiency
Suntech
Ultra V Pro Mini 445W All Black
445W
22.5% efficiency
Full Specification Comparison
| Spec | Nexa 450W TOPCon All Black | Ultra V Pro Mini 445W All Black |
|---|---|---|
| Performance | ||
| Power Output | 450 W | 445 W |
| Efficiency | 23% | 22.5% |
| Cell Type | N-type TOPCon | N-type TOPCon |
| Temp. Coeff. | -0.3 %/°C | — |
| Number of Cells | 108 | 108 |
| Bifacial | No | No |
| Electrical | ||
| Voc | 39.33 V | 39.11 V |
| Vmp | 32.71 V | 32.87 V |
| Isc | 14.52 A | 14.49 A |
| Imp | 13.76 A | 13.54 A |
| Max System Voltage | 1500 V | 1500 V |
| Operating Temp | -40 to +85 °C | -40 to +85 °C |
| Physical | ||
| Dimensions | 1724x1134x30 mm | 1722x1134x30 mm |
| Weight | 22 kg | 21 kg |
| Frame Colour | Black | Black |
| Connector Type | MC4 | MC4 |
| Junction Box IP | — | IP68 |
| Warranty & Certification | ||
| Product Warranty | 25 | 25 years |
| Power Warranty | 30 years linear | 30 years linear |
| MCS Certified | Yes | Yes |
| Certifications | IEC 61215, IEC 61730 | IEC 61215, IEC 61730 |
Frequently Asked Questions
Which is more efficient, the Nexa 450W TOPCon All Black or the Ultra V Pro Mini 445W All Black?
The Nexa 450W TOPCon All Black is more efficient at 23%, compared to 22.5% for the Ultra V Pro Mini 445W All Black. Higher efficiency means more power generated per square metre of roof space.
Which panel produces more power, the Nexa 450W TOPCon All Black or the Ultra V Pro Mini 445W All Black?
The Nexa 450W TOPCon All Black has a higher rated output at 450W. 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 Nexa 450W TOPCon All Black 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.
Eurener
Nexa 450W TOPCon All Black
450W · 23% efficiency · N-type TOPCon
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.