Solar Panel Comparison
EcoFlow 400W Rigid Solar Panel All Black vs Q CELLS (Hanwha) Q.PEAK DUO BLK ML-G10+ 405W All Black
The Q.PEAK DUO BLK ML-G10+ 405W All Black delivers 405W, 5W more than the 400W Rigid Solar Panel All Black at 400W.
400W Rigid Solar Panel All Black has a higher efficiency of 23% versus 20.9% for the Q.PEAK DUO BLK ML-G10+ 405W All Black.
They use different cell technologies: 400W Rigid Solar Panel All Black uses Mono PERC, 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
EcoFlow
400W Rigid Solar Panel All Black
400W
23% efficiency
Q CELLS (Hanwha)
Q.PEAK DUO BLK ML-G10+ 405W All Black
405W
20.9% efficiency
Full Specification Comparison
| Spec | 400W Rigid Solar Panel All Black | Q.PEAK DUO BLK ML-G10+ 405W All Black |
|---|---|---|
| Performance | ||
| Power Output | 400 W | 405 W |
| Efficiency | 23% | 20.9% |
| Cell Type | Mono PERC | Mono PERC Q.ANTUM DUO Z |
| Temp. Coeff. | -0.3 %/°C | -0.35 %/°C |
| Number of Cells | — | 132 |
| Bifacial | No | No |
| Electrical | ||
| Voc | 37.1 V | 40.2 V |
| Vmp | — | 33.8 V |
| Isc | 13.79 A | 10.7 A |
| Imp | — | 11.98 A |
| Max System Voltage | 1000 V | 1000 V |
| Operating Temp | -40 to +85 °C | -40 to +85 °C |
| Physical | ||
| Dimensions | 1722x1134x35 mm | 1756x1096x32 mm |
| Weight | 21.8 kg | — |
| Frame Colour | Black | Black |
| Connector Type | EcoFlow Solar Connector | MC4 |
| Junction Box IP | IP68 | — |
| Warranty & Certification | ||
| Product Warranty | 10 | 12 |
| Power Warranty | No output warranty stated | 25 years linear |
| MCS Certified | No | Yes |
| Certifications | IEC 60529 IP68 | IEC 61215, IEC 61730, VDE, CE |
| Pricing (UK) | ||
| Retail Price | £149.50 | — |
| Price per Watt | £0.374/W | — |
Frequently Asked Questions
Which is more efficient, the 400W Rigid Solar Panel All Black or the Q.PEAK DUO BLK ML-G10+ 405W All Black?
The 400W Rigid Solar Panel All Black is more efficient at 23%, 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 400W Rigid Solar Panel All Black or the Q.PEAK DUO BLK ML-G10+ 405W All Black?
The Q.PEAK DUO BLK ML-G10+ 405W All Black has a higher rated output at 405W. This means fewer panels would be needed to reach the same system size compared to the 400W Rigid Solar Panel All Black.
Which solar panel should I choose for my home — the 400W Rigid Solar Panel All Black 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.
EcoFlow
400W Rigid Solar Panel All Black
400W · 23% efficiency · Mono PERC
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.