Solar Panel Comparison
REC Alpha Pure-RX 470W vs Suntech Ultra V Pro Mini 445W All Black
The Alpha Pure-RX 470W delivers 470W, 25W more than the Ultra V Pro Mini 445W All Black at 445W.
Alpha Pure-RX 470W has a higher efficiency of 22.6% versus 22.5% for the Ultra V Pro Mini 445W All Black.
They use different cell technologies: Alpha Pure-RX 470W uses N-type HJT (Heterojunction), while Ultra V Pro Mini 445W All Black uses N-type TOPCon.
Here's how they compare across all key specifications.
Spec
REC
Alpha Pure-RX 470W
470W
22.6% efficiency
Suntech
Ultra V Pro Mini 445W All Black
445W
22.5% efficiency
Full Specification Comparison
| Spec | Alpha Pure-RX 470W | Ultra V Pro Mini 445W All Black |
|---|---|---|
| Performance | ||
| Power Output | 470 W | 445 W |
| Efficiency | 22.6% | 22.5% |
| Cell Type | N-type HJT (Heterojunction) | N-type TOPCon |
| Temp. Coeff. | -0.24 %/°C | — |
| Number of Cells | 88 | 108 |
| Bifacial | Yes | No |
| Electrical | ||
| Voc | 47 V | 39.11 V |
| Vmp | 39.5 V | 32.87 V |
| Isc | 12.85 A | 14.49 A |
| Imp | 11.9 A | 13.54 A |
| Max System Voltage | 1000 V | 1500 V |
| Operating Temp | -40 to +85 °C | -40 to +85 °C |
| Physical | ||
| Dimensions | 1728x1205x30 mm | 1722x1134x30 mm |
| Weight | 22.7 kg | 21 kg |
| Frame Colour | Black | Black |
| Connector Type | — | MC4 |
| Junction Box IP | — | IP68 |
| Warranty & Certification | ||
| Product Warranty | 20 years | 25 years |
| Power Warranty | 25 years (0.25%/yr degradation) | 30 years linear |
| MCS Certified | No | Yes |
| 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 Alpha Pure-RX 470W or the Ultra V Pro Mini 445W All Black?
The Alpha Pure-RX 470W is more efficient at 22.6%, 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 Alpha Pure-RX 470W or the Ultra V Pro Mini 445W All Black?
The Alpha Pure-RX 470W has a higher rated output at 470W. 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 Alpha Pure-RX 470W 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.
REC
Alpha Pure-RX 470W
470W · 22.6% efficiency · N-type HJT (Heterojunction)
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.