Solar Panel Comparison
BLUETTI PV350 350W Portable Solar Panel vs EcoFlow 400W Rigid Solar Panel All Black
The 400W Rigid Solar Panel All Black delivers 400W, 50W more than the PV350 350W Portable Solar Panel at 350W.
PV350 350W Portable Solar Panel has a higher efficiency of 23.4% versus 23% for the 400W Rigid Solar Panel All Black.
They use different cell technologies: PV350 350W Portable Solar Panel uses Monocrystalline, while 400W Rigid Solar Panel All Black uses Mono PERC.
On price, the 400W Rigid Solar Panel All Black is cheaper by £249.50.
Here's how they compare across all key specifications.
Spec
BLUETTI
PV350 350W Portable Solar Panel
350W
23.4% efficiency
EcoFlow
400W Rigid Solar Panel All Black
400W
23% efficiency
Full Specification Comparison
| Spec | PV350 350W Portable Solar Panel | 400W Rigid Solar Panel All Black |
|---|---|---|
| Performance | ||
| Power Output | 350 W | 400 W |
| Efficiency | 23.4% | 23% |
| Cell Type | Monocrystalline | Mono PERC |
| Temp. Coeff. | -0.3 %/°C | -0.3 %/°C |
| Bifacial | No | No |
| Electrical | ||
| Voc | 26.1 V | 37.1 V |
| Vmp | 21.8 V | — |
| Isc | 16.7 A | 13.79 A |
| Imp | 16.1 A | — |
| Max System Voltage | 48 V | 1000 V |
| Operating Temp | — | -40 to +85 °C |
| Physical | ||
| Dimensions | 1530x695x0 mm | 1722x1134x35 mm |
| Weight | 7.5 kg | 21.8 kg |
| Frame Colour | Black | Black |
| Connector Type | MC4-compatible | EcoFlow Solar Connector |
| Junction Box IP | IP65 | IP68 |
| Warranty & Certification | ||
| Product Warranty | 12 | 10 |
| Power Warranty | 80% yr25 | No output warranty stated |
| MCS Certified | No | No |
| Certifications | — | IEC 60529 IP68 |
| Pricing (UK) | ||
| Retail Price | £399.00 | £149.50 |
| Price per Watt | £1.140/W | £0.374/W |
Frequently Asked Questions
Which is more efficient, the PV350 350W Portable Solar Panel or the 400W Rigid Solar Panel All Black?
The PV350 350W Portable Solar Panel is more efficient at 23.4%, compared to 23% for the 400W Rigid Solar Panel All Black. Higher efficiency means more power generated per square metre of roof space.
Which panel produces more power, the PV350 350W Portable Solar Panel or the 400W Rigid Solar Panel All Black?
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 PV350 350W Portable Solar Panel.
Is the PV350 350W Portable Solar Panel or 400W Rigid Solar Panel All Black better value for money?
The 400W Rigid Solar Panel All Black is priced lower at £149.50 per panel, saving £249.50 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 PV350 350W Portable Solar Panel or the 400W Rigid Solar Panel 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.
BLUETTI
PV350 350W Portable Solar Panel
350W · 23.4% efficiency · Monocrystalline
View full specs →EcoFlow
400W Rigid Solar Panel All Black
400W · 23% efficiency · Mono PERC
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.