Solar Panel Comparison
REC Group Alpha Pure-R 430W vs Victron Energy BlueSolar 175W 12V Mono Series 4a
The Alpha Pure-R 430W delivers 430W, 255W more than the BlueSolar 175W 12V Mono Series 4a at 175W.
Alpha Pure-R 430W has a higher efficiency of 22.3% versus 14% for the BlueSolar 175W 12V Mono Series 4a.
They use different cell technologies: Alpha Pure-R 430W uses HJT (Heterojunction), while BlueSolar 175W 12V Mono Series 4a uses Mono PERC.
Here's how they compare across all key specifications.
Spec
REC Group
Alpha Pure-R 430W
430W
22.3% efficiency
Victron Energy
BlueSolar 175W 12V Mono Series 4a
175W
14% efficiency
Full Specification Comparison
| Spec | Alpha Pure-R 430W | BlueSolar 175W 12V Mono Series 4a |
|---|---|---|
| Performance | ||
| Power Output | 430 W | 175 W |
| Efficiency | 22.3% | 14% |
| Cell Type | HJT (Heterojunction) | Mono PERC |
| Temp. Coeff. | -0.24 %/°C | -0.4 %/°C |
| Number of Cells | 80 | 36 |
| Bifacial | No | No |
| Electrical | ||
| Voc | 59.4 V | 23.7 V |
| Vmp | 50 V | 19.4 V |
| Isc | 8.91 A | 9.89 A |
| Imp | 8.4 A | 9.03 A |
| Max System Voltage | 1000 V | 600 V |
| Operating Temp | -40 to +85 °C | -40 to +85 °C |
| Physical | ||
| Dimensions | 1730x1118x30 mm | 1485x668x30 mm |
| Weight | 21.5 kg | 11 kg |
| Frame Colour | Black | Silver |
| Connector Type | MC4 | MC4 |
| Warranty & Certification | ||
| Product Warranty | 20 years | 5 |
| Power Warranty | 25 years (92% min, 0.25%/yr) | 90% yr10 / 80% yr25 |
| MCS Certified | Yes | No |
| Certifications | IEC 61215, IEC 61730, RoHS | IEC 61215, IEC 61730 |
| Pricing (UK) | ||
| Retail Price | £142.00 | — |
| Price per Watt | £0.330/W | — |
Frequently Asked Questions
Which is more efficient, the Alpha Pure-R 430W or the BlueSolar 175W 12V Mono Series 4a?
The Alpha Pure-R 430W is more efficient at 22.3%, compared to 14% for the BlueSolar 175W 12V Mono Series 4a. Higher efficiency means more power generated per square metre of roof space.
Which panel produces more power, the Alpha Pure-R 430W or the BlueSolar 175W 12V Mono Series 4a?
The Alpha Pure-R 430W has a higher rated output at 430W. This means fewer panels would be needed to reach the same system size compared to the BlueSolar 175W 12V Mono Series 4a.
Which solar panel should I choose for my home — the Alpha Pure-R 430W or the BlueSolar 175W 12V Mono Series 4a?
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 Group
Alpha Pure-R 430W
430W · 22.3% efficiency · HJT (Heterojunction)
View full specs →Victron Energy
BlueSolar 175W 12V Mono Series 4a
175W · 14% efficiency · Mono PERC
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.