Solar Panel Comparison
JA Solar Deep Blue 3.0 420W PERC vs Viridian Solar Clearline Fusion 340W White Backsheet BIPV
The Deep Blue 3.0 420W PERC delivers 420W, 80W more than the Clearline Fusion 340W White Backsheet BIPV at 340W.
Both panels share the same 21% efficiency rating.
They use different cell technologies: Deep Blue 3.0 420W PERC uses Mono PERC MBB Half-Cell, while Clearline Fusion 340W White Backsheet BIPV uses Mono PERC Half-Cell.
Here's how they compare across all key specifications.
Spec
JA Solar
Deep Blue 3.0 420W PERC
420W
21% efficiency
Viridian Solar
Clearline Fusion 340W White Backsheet BIPV
340W
21% efficiency
Full Specification Comparison
| Spec | Deep Blue 3.0 420W PERC | Clearline Fusion 340W White Backsheet BIPV |
|---|---|---|
| Performance | ||
| Power Output | 420 W | 340 W |
| Efficiency | 21% | 21% |
| Cell Type | Mono PERC MBB Half-Cell | Mono PERC Half-Cell |
| Temp. Coeff. | — | -0.35 %/°C |
| Number of Cells | 108 | 72 |
| Bifacial | No | No |
| Electrical | ||
| Voc | — | 42.4 V |
| Vmp | 37.73 V | 35 V |
| Isc | — | 10.4 A |
| Imp | — | 9.7 A |
| Max System Voltage | 1000 V | 1000 V |
| Operating Temp | -40 to +85 °C | -40 to +85 °C |
| Physical | ||
| Dimensions | 1762x1134x30 mm | 1686x1000x69 mm |
| Weight | 20 kg | — |
| Frame Colour | Black | Silver |
| Connector Type | MC4 | MC4 |
| Warranty & Certification | ||
| Product Warranty | 12 years | 15 |
| Power Warranty | 25 years linear | 25 years linear |
| MCS Certified | Yes | Yes |
| Certifications | IEC 61215, IEC 61730 | IEC 61215, IEC 61730, MCS |
| Pricing (UK) | ||
| Retail Price | £57.81 | — |
| Price per Watt | £0.138/W | — |
Frequently Asked Questions
Which is more efficient, the Deep Blue 3.0 420W PERC or the Clearline Fusion 340W White Backsheet BIPV?
Both the Deep Blue 3.0 420W PERC and Clearline Fusion 340W White Backsheet BIPV have the same efficiency rating of 21%.
Which panel produces more power, the Deep Blue 3.0 420W PERC or the Clearline Fusion 340W White Backsheet BIPV?
The Deep Blue 3.0 420W PERC has a higher rated output at 420W. This means fewer panels would be needed to reach the same system size compared to the Clearline Fusion 340W White Backsheet BIPV.
Which solar panel should I choose for my home — the Deep Blue 3.0 420W PERC or the Clearline Fusion 340W White Backsheet BIPV?
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
Deep Blue 3.0 420W PERC
420W · 21% efficiency · Mono PERC MBB Half-Cell
View full specs →Viridian Solar
Clearline Fusion 340W White Backsheet BIPV
340W · 21% efficiency · Mono PERC Half-Cell
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.