Solar Panel Comparison
JA Solar Deep Blue 4.0 440W N-Type Bifacial vs Maxeon / SunPower Maxeon 6 DC 440W
Both panels are rated at 440W.
Maxeon 6 DC 440W has a higher efficiency of 22.8% versus 22.5% for the Deep Blue 4.0 440W N-Type Bifacial.
They use different cell technologies: Deep Blue 4.0 440W N-Type Bifacial uses N-type Bycium+ MBB Half-Cell, while Maxeon 6 DC 440W uses IBC (Interdigitated Back Contact).
On price, the Deep Blue 4.0 440W N-Type Bifacial is cheaper by £596.59.
Here's how they compare across all key specifications.
Spec
JA Solar
Deep Blue 4.0 440W N-Type Bifacial
440W
22.5% efficiency
Maxeon / SunPower
Maxeon 6 DC 440W
440W
22.8% efficiency
Full Specification Comparison
| Spec | Deep Blue 4.0 440W N-Type Bifacial | Maxeon 6 DC 440W |
|---|---|---|
| Performance | ||
| Power Output | 440 W | 440 W |
| Efficiency | 22.5% | 22.8% |
| Cell Type | N-type Bycium+ MBB Half-Cell | IBC (Interdigitated Back Contact) |
| Temp. Coeff. | -0.29 %/°C | -0.29 %/°C |
| Number of Cells | 108 | 66 |
| Bifacial | Yes | No |
| Electrical | ||
| Voc | 39.38 V | 48.2 V |
| Vmp | 33.37 V | 40.5 V |
| Isc | 13.85 A | 11.58 A |
| Imp | 13.18 A | 10.87 A |
| Max System Voltage | 1500 V | 1000 V |
| Operating Temp | -40 to +85 °C | -40 to +85 °C |
| Physical | ||
| Dimensions | 1722x1134x30 mm | 1872x1032x40 mm |
| Weight | 21.5 kg | 20.9 kg |
| Frame Colour | Black | Black |
| Connector Type | MC4-EVO2 | EVO2 |
| Junction Box IP | IP68 | IP68 |
| Warranty & Certification | ||
| Product Warranty | 12 years | 25 years |
| Power Warranty | 30 years linear | 25 years / 92% (extendable to 40yr) |
| MCS Certified | Yes | No |
| Certifications | IEC 61215, IEC 61730 | IEC 61215, IEC 61730, UL 61730, ISO 9001, ISO 14001, IEC 62716, IEC 61701, MIL-STD-810G |
| Pricing (UK) | ||
| Retail Price | £53.41 | £650.00 |
| Price per Watt | £0.121/W | £1.477/W |
Frequently Asked Questions
Which is more efficient, the Deep Blue 4.0 440W N-Type Bifacial or the Maxeon 6 DC 440W?
The Maxeon 6 DC 440W is more efficient at 22.8%, compared to 22.5% for the Deep Blue 4.0 440W N-Type Bifacial. Higher efficiency means more power generated per square metre of roof space.
Which panel produces more power, the Deep Blue 4.0 440W N-Type Bifacial or the Maxeon 6 DC 440W?
Both panels are rated at the same output of 440W.
Is the Deep Blue 4.0 440W N-Type Bifacial or Maxeon 6 DC 440W better value for money?
The Deep Blue 4.0 440W N-Type Bifacial is priced lower at £53.41 per panel, saving £596.59 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 4.0 440W N-Type Bifacial or the Maxeon 6 DC 440W?
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 4.0 440W N-Type Bifacial
440W · 22.5% efficiency · N-type Bycium+ MBB Half-Cell
View full specs →Maxeon / SunPower
Maxeon 6 DC 440W
440W · 22.8% efficiency · IBC (Interdigitated Back Contact)
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.