Solar Panel Comparison
JA Solar Deep Blue 3.0 Light 410W vs JA Solar Deep Blue 3.0 420W PERC
The Deep Blue 3.0 420W PERC delivers 420W, 10W more than the Deep Blue 3.0 Light 410W at 410W.
Both panels share the same 21% efficiency rating.
Both use Mono PERC MBB Half-Cell cell technology.
On price, the Deep Blue 3.0 420W PERC is cheaper by £4.19.
Here's how they compare across all key specifications.
Spec
JA Solar
Deep Blue 3.0 Light 410W
410W
21% efficiency
JA Solar
Deep Blue 3.0 420W PERC
420W
21% efficiency
Full Specification Comparison
| Spec | Deep Blue 3.0 Light 410W | Deep Blue 3.0 420W PERC |
|---|---|---|
| Performance | ||
| Power Output | 410 W | 420 W |
| Efficiency | 21% | 21% |
| Cell Type | Mono PERC MBB Half-Cell | Mono PERC MBB Half-Cell |
| Temp. Coeff. | -0.35 %/°C | — |
| Number of Cells | 108 | 108 |
| Bifacial | No | No |
| Electrical | ||
| Voc | 37.32 V | — |
| Vmp | 31.45 V | 37.73 V |
| Isc | 13.95 A | — |
| Imp | 13.04 A | — |
| Max System Voltage | 1500 V | 1000 V |
| Operating Temp | -40 to +85 °C | -40 to +85 °C |
| Physical | ||
| Dimensions | 1722x1134x30 mm | 1762x1134x30 mm |
| Weight | 19.5 kg | 20 kg |
| Frame Colour | Black | Black |
| Connector Type | MC4-EVO2A | MC4 |
| Junction Box IP | IP68 | — |
| Warranty & Certification | ||
| Product Warranty | 12 years | 12 years |
| Power Warranty | 25 years linear (0.55%/yr) | 25 years linear |
| MCS Certified | Yes | Yes |
| Certifications | IEC 61215, IEC 61730, UL 61215, UL 61730, ISO 9001, ISO 14001, ISO 45001 | IEC 61215, IEC 61730 |
| Pricing (UK) | ||
| Retail Price | £62.00 | £57.81 |
| Price per Watt | £0.151/W | £0.138/W |
Frequently Asked Questions
Which is more efficient, the Deep Blue 3.0 Light 410W or the Deep Blue 3.0 420W PERC?
Both the Deep Blue 3.0 Light 410W and Deep Blue 3.0 420W PERC have the same efficiency rating of 21%.
Which panel produces more power, the Deep Blue 3.0 Light 410W or the Deep Blue 3.0 420W PERC?
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 Deep Blue 3.0 Light 410W.
Is the Deep Blue 3.0 Light 410W or Deep Blue 3.0 420W PERC better value for money?
The Deep Blue 3.0 420W PERC is priced lower at £57.81 per panel, saving £4.19 per panel. However, value depends on the full system cost, efficiency, and warranty — use our solar cost calculator to compare total installation costs.
Which solar panel should I choose for my home — the Deep Blue 3.0 Light 410W or the Deep Blue 3.0 420W PERC?
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 Light 410W
410W · 21% efficiency · Mono PERC MBB Half-Cell
View full specs →JA Solar
Deep Blue 3.0 420W PERC
420W · 21% efficiency · Mono PERC MBB 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.