Solar Panel Comparison
Canadian Solar HiKu6 440W Mono PERC vs JA Solar Deep Blue 3.0 420W PERC
The HiKu6 440W Mono PERC delivers 440W, 20W more than the Deep Blue 3.0 420W PERC at 420W.
HiKu6 440W Mono PERC has a higher efficiency of 22.5% versus 21% for the Deep Blue 3.0 420W PERC.
They use different cell technologies: HiKu6 440W Mono PERC uses Mono PERC, while Deep Blue 3.0 420W PERC uses Mono PERC MBB Half-Cell.
On price, the HiKu6 440W Mono PERC is cheaper by £12.09.
Here's how they compare across all key specifications.
Spec
Canadian Solar
HiKu6 440W Mono PERC
440W
22.5% efficiency
JA Solar
Deep Blue 3.0 420W PERC
420W
21% efficiency
Full Specification Comparison
| Spec | HiKu6 440W Mono PERC | Deep Blue 3.0 420W PERC |
|---|---|---|
| Performance | ||
| Power Output | 440 W | 420 W |
| Efficiency | 22.5% | 21% |
| Cell Type | Mono PERC | Mono PERC MBB Half-Cell |
| Temp. Coeff. | -0.34 %/°C | — |
| Number of Cells | 108 | 108 |
| Bifacial | No | No |
| Electrical | ||
| Voc | 41.5 V | — |
| Vmp | 39.4 V | 37.73 V |
| Isc | 11.4 A | — |
| Imp | 11.16 A | — |
| Max System Voltage | 1000 V | 1000 V |
| Operating Temp | -40 to +85 °C | -40 to +85 °C |
| Physical | ||
| Dimensions | 1722x1134x30 mm | 1762x1134x30 mm |
| Weight | 21.3 kg | 20 kg |
| Frame Colour | Black | Black |
| Connector Type | Staubli MC4 | MC4 |
| Warranty & Certification | ||
| Product Warranty | 25 years | 12 years |
| Power Warranty | 25 years linear | 25 years linear |
| MCS Certified | Yes | Yes |
| Certifications | IEC 61215, IEC 61730 | IEC 61215, IEC 61730 |
| Pricing (UK) | ||
| Retail Price | £45.72 | £57.81 |
| Price per Watt | £0.104/W | £0.138/W |
Frequently Asked Questions
Which is more efficient, the HiKu6 440W Mono PERC or the Deep Blue 3.0 420W PERC?
The HiKu6 440W Mono PERC is more efficient at 22.5%, compared to 21% for the Deep Blue 3.0 420W PERC. Higher efficiency means more power generated per square metre of roof space.
Which panel produces more power, the HiKu6 440W Mono PERC or the Deep Blue 3.0 420W PERC?
The HiKu6 440W Mono PERC has a higher rated output at 440W. This means fewer panels would be needed to reach the same system size compared to the Deep Blue 3.0 420W PERC.
Is the HiKu6 440W Mono PERC or Deep Blue 3.0 420W PERC better value for money?
The HiKu6 440W Mono PERC is priced lower at £45.72 per panel, saving £12.09 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 HiKu6 440W Mono PERC 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.
Canadian Solar
HiKu6 440W Mono PERC
440W · 22.5% efficiency · Mono PERC
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.