Solar Panel Comparison
Maxeon / SunPower Maxeon 6 DC 440W vs Q CELLS (Hanwha) Q.PEAK DUO BLK ML-G10+ 405W All Black
The Maxeon 6 DC 440W delivers 440W, 35W more than the Q.PEAK DUO BLK ML-G10+ 405W All Black at 405W.
Maxeon 6 DC 440W has a higher efficiency of 22.8% versus 20.9% for the Q.PEAK DUO BLK ML-G10+ 405W All Black.
They use different cell technologies: Maxeon 6 DC 440W uses IBC (Interdigitated Back Contact), while Q.PEAK DUO BLK ML-G10+ 405W All Black uses Mono PERC Q.ANTUM DUO Z.
Here's how they compare across all key specifications.
Spec
Maxeon / SunPower
Maxeon 6 DC 440W
440W
22.8% efficiency
Q CELLS (Hanwha)
Q.PEAK DUO BLK ML-G10+ 405W All Black
405W
20.9% efficiency
Full Specification Comparison
| Spec | Maxeon 6 DC 440W | Q.PEAK DUO BLK ML-G10+ 405W All Black |
|---|---|---|
| Performance | ||
| Power Output | 440 W | 405 W |
| Efficiency | 22.8% | 20.9% |
| Cell Type | IBC (Interdigitated Back Contact) | Mono PERC Q.ANTUM DUO Z |
| Temp. Coeff. | -0.29 %/°C | -0.35 %/°C |
| Number of Cells | 66 | 132 |
| Bifacial | No | No |
| Electrical | ||
| Voc | 48.2 V | 40.2 V |
| Vmp | 40.5 V | 33.8 V |
| Isc | 11.58 A | 10.7 A |
| Imp | 10.87 A | 11.98 A |
| Max System Voltage | 1000 V | 1000 V |
| Operating Temp | -40 to +85 °C | -40 to +85 °C |
| Physical | ||
| Dimensions | 1872x1032x40 mm | 1756x1096x32 mm |
| Weight | 20.9 kg | — |
| Frame Colour | Black | Black |
| Connector Type | EVO2 | MC4 |
| Junction Box IP | IP68 | — |
| Warranty & Certification | ||
| Product Warranty | 25 years | 12 |
| Power Warranty | 25 years / 92% (extendable to 40yr) | 25 years linear |
| MCS Certified | No | Yes |
| Certifications | IEC 61215, IEC 61730, UL 61730, ISO 9001, ISO 14001, IEC 62716, IEC 61701, MIL-STD-810G | IEC 61215, IEC 61730, VDE, CE |
| Pricing (UK) | ||
| Retail Price | £650.00 | — |
| Price per Watt | £1.477/W | — |
Frequently Asked Questions
Which is more efficient, the Maxeon 6 DC 440W or the Q.PEAK DUO BLK ML-G10+ 405W All Black?
The Maxeon 6 DC 440W is more efficient at 22.8%, compared to 20.9% for the Q.PEAK DUO BLK ML-G10+ 405W All Black. Higher efficiency means more power generated per square metre of roof space.
Which panel produces more power, the Maxeon 6 DC 440W or the Q.PEAK DUO BLK ML-G10+ 405W All Black?
The Maxeon 6 DC 440W has a higher rated output at 440W. This means fewer panels would be needed to reach the same system size compared to the Q.PEAK DUO BLK ML-G10+ 405W All Black.
Which solar panel should I choose for my home — the Maxeon 6 DC 440W or the Q.PEAK DUO BLK ML-G10+ 405W All Black?
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.
Maxeon / SunPower
Maxeon 6 DC 440W
440W · 22.8% efficiency · IBC (Interdigitated Back Contact)
View full specs →Q CELLS (Hanwha)
Q.PEAK DUO BLK ML-G10+ 405W All Black
405W · 20.9% efficiency · Mono PERC Q.ANTUM DUO Z
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.