Solar Panel Comparison
JA Solar DeepBlue 4.0 500W Bifacial Commercial vs Maxeon / SunPower Maxeon 6 DC 440W
The DeepBlue 4.0 500W Bifacial Commercial delivers 500W, 60W more than the Maxeon 6 DC 440W at 440W.
Maxeon 6 DC 440W has a higher efficiency of 22.8% versus 21.5% for the DeepBlue 4.0 500W Bifacial Commercial.
They use different cell technologies: DeepBlue 4.0 500W Bifacial Commercial uses N-type TOPCon MBB Half-Cell, while Maxeon 6 DC 440W uses IBC (Interdigitated Back Contact).
Here's how they compare across all key specifications.
Spec
JA Solar
DeepBlue 4.0 500W Bifacial Commercial
500W
21.5% efficiency
Maxeon / SunPower
Maxeon 6 DC 440W
440W
22.8% efficiency
Full Specification Comparison
| Spec | DeepBlue 4.0 500W Bifacial Commercial | Maxeon 6 DC 440W |
|---|---|---|
| Performance | ||
| Power Output | 500 W | 440 W |
| Efficiency | 21.5% | 22.8% |
| Cell Type | N-type TOPCon MBB Half-Cell | IBC (Interdigitated Back Contact) |
| Temp. Coeff. | -0.3 %/°C | -0.29 %/°C |
| Number of Cells | 144 | 66 |
| Bifacial | Yes | No |
| Electrical | ||
| Voc | 43.2 V | 48.2 V |
| Vmp | 36 V | 40.5 V |
| Isc | 15.01 A | 11.58 A |
| Imp | 13.9 A | 10.87 A |
| Max System Voltage | 1500 V | 1000 V |
| Operating Temp | -40 to +85 °C | -40 to +85 °C |
| Physical | ||
| Dimensions | 2108x1048x35 mm | 1872x1032x40 mm |
| Weight | — | 20.9 kg |
| Frame Colour | Silver | Black |
| Connector Type | MC4 | EVO2 |
| Junction Box IP | IP68 | IP68 |
| Warranty & Certification | ||
| Product Warranty | 25 | 25 years |
| Power Warranty | 30 years linear | 25 years / 92% (extendable to 40yr) |
| MCS Certified | No | 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 | — | £650.00 |
| Price per Watt | — | £1.477/W |
Frequently Asked Questions
Which is more efficient, the DeepBlue 4.0 500W Bifacial Commercial or the Maxeon 6 DC 440W?
The Maxeon 6 DC 440W is more efficient at 22.8%, compared to 21.5% for the DeepBlue 4.0 500W Bifacial Commercial. Higher efficiency means more power generated per square metre of roof space.
Which panel produces more power, the DeepBlue 4.0 500W Bifacial Commercial or the Maxeon 6 DC 440W?
The DeepBlue 4.0 500W Bifacial Commercial has a higher rated output at 500W. This means fewer panels would be needed to reach the same system size compared to the Maxeon 6 DC 440W.
Which solar panel should I choose for my home — the DeepBlue 4.0 500W Bifacial Commercial 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
DeepBlue 4.0 500W Bifacial Commercial
500W · 21.5% efficiency · N-type TOPCon 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.