Solar Panel Comparison
EcoFlow 400W Rigid Solar Panel All Black vs Meyer Burger White 395W
The 400W Rigid Solar Panel All Black delivers 400W, 5W more than the White 395W at 395W.
400W Rigid Solar Panel All Black has a higher efficiency of 23% versus 21.5% for the White 395W.
They use different cell technologies: 400W Rigid Solar Panel All Black uses Mono PERC, while White 395W uses HJT with SmartWire (SWCT).
Here's how they compare across all key specifications.
Spec
EcoFlow
400W Rigid Solar Panel All Black
400W
23% efficiency
Meyer Burger
White 395W
395W
21.5% efficiency
Full Specification Comparison
| Spec | 400W Rigid Solar Panel All Black | White 395W |
|---|---|---|
| Performance | ||
| Power Output | 400 W | 395 W |
| Efficiency | 23% | 21.5% |
| Cell Type | Mono PERC | HJT with SmartWire (SWCT) |
| Temp. Coeff. | -0.3 %/°C | -0.259 %/°C |
| Number of Cells | — | 120 |
| Bifacial | No | Yes |
| Electrical | ||
| Voc | 37.1 V | 44.5 V |
| Vmp | — | 38.3 V |
| Isc | 13.79 A | 10.9 A |
| Imp | — | 10.3 A |
| Max System Voltage | 1000 V | 1000 V |
| Operating Temp | -40 to +85 °C | -40 to +85 °C |
| Physical | ||
| Dimensions | 1722x1134x35 mm | 1767x1041x35 mm |
| Weight | 21.8 kg | 19.7 kg |
| Frame Colour | Black | Black |
| Connector Type | EcoFlow Solar Connector | MC4,MC4-Evo2 |
| Junction Box IP | IP68 | IP68 |
| Warranty & Certification | ||
| Product Warranty | 10 | 25 years |
| Power Warranty | No output warranty stated | 25 years (93% retained) |
| MCS Certified | No | Yes |
| Certifications | IEC 60529 IP68 | IEC 61215, IEC 61730, IEC 62804, IEC 61701 |
| 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 White 395W?
The 400W Rigid Solar Panel All Black is more efficient at 23%, compared to 21.5% for the White 395W. 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 White 395W?
The 400W Rigid Solar Panel All Black has a higher rated output at 400W. This means fewer panels would be needed to reach the same system size compared to the White 395W.
Which solar panel should I choose for my home — the 400W Rigid Solar Panel All Black or the White 395W?
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 →Meyer Burger
White 395W
395W · 21.5% efficiency · HJT with SmartWire (SWCT)
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.