Solar Panel Comparison
Eurener Nexa 475W TOPCon All Black Bifacial vs REC Alpha Pure-RX 470W
The Nexa 475W TOPCon All Black Bifacial delivers 475W, 5W more than the Alpha Pure-RX 470W at 470W.
Nexa 475W TOPCon All Black Bifacial has a higher efficiency of 23.8% versus 22.6% for the Alpha Pure-RX 470W.
They use different cell technologies: Nexa 475W TOPCon All Black Bifacial uses N-type TOPCon, while Alpha Pure-RX 470W uses N-type HJT (Heterojunction).
Here's how they compare across all key specifications.
Spec
Eurener
Nexa 475W TOPCon All Black Bifacial
475W
23.8% efficiency
REC
Alpha Pure-RX 470W
470W
22.6% efficiency
Full Specification Comparison
| Spec | Nexa 475W TOPCon All Black Bifacial | Alpha Pure-RX 470W |
|---|---|---|
| Performance | ||
| Power Output | 475 W | 470 W |
| Efficiency | 23.8% | 22.6% |
| Cell Type | N-type TOPCon | N-type HJT (Heterojunction) |
| Temp. Coeff. | -0.3 %/°C | -0.24 %/°C |
| Number of Cells | 144 | 88 |
| Bifacial | Yes | Yes |
| Electrical | ||
| Voc | 36.98 V | 47 V |
| Vmp | 31.49 V | 39.5 V |
| Isc | 16.1 A | 12.85 A |
| Imp | 15.09 A | 11.9 A |
| Max System Voltage | 1500 V | 1000 V |
| Operating Temp | -40 to +85 °C | -40 to +85 °C |
| Physical | ||
| Dimensions | 1762x1134x30 mm | 1728x1205x30 mm |
| Weight | 24 kg | 22.7 kg |
| Frame Colour | Black | Black |
| Connector Type | MC4 | — |
| Warranty & Certification | ||
| Product Warranty | 30 | 20 years |
| Power Warranty | 30 years linear | 25 years (0.25%/yr degradation) |
| MCS Certified | Yes | No |
| Certifications | IEC 61215, IEC 61730 | IEC 61215, IEC 61730 |
| Pricing (UK) | ||
| Retail Price | — | £151.95 |
| Price per Watt | — | £0.323/W |
Frequently Asked Questions
Which is more efficient, the Nexa 475W TOPCon All Black Bifacial or the Alpha Pure-RX 470W?
The Nexa 475W TOPCon All Black Bifacial is more efficient at 23.8%, compared to 22.6% for the Alpha Pure-RX 470W. Higher efficiency means more power generated per square metre of roof space.
Which panel produces more power, the Nexa 475W TOPCon All Black Bifacial or the Alpha Pure-RX 470W?
The Nexa 475W TOPCon All Black Bifacial has a higher rated output at 475W. This means fewer panels would be needed to reach the same system size compared to the Alpha Pure-RX 470W.
Which solar panel should I choose for my home — the Nexa 475W TOPCon All Black Bifacial or the Alpha Pure-RX 470W?
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 475W TOPCon All Black Bifacial
475W · 23.8% efficiency · N-type TOPCon
View full specs →REC
Alpha Pure-RX 470W
470W · 22.6% efficiency · N-type HJT (Heterojunction)
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.