Solar Panel Comparison
EcoFlow 220W Bifacial Portable Solar Panel vs Risen Energy Titan S 400W Full Black
The Titan S 400W Full Black delivers 400W, 180W more than the 220W Bifacial Portable Solar Panel at 220W.
220W Bifacial Portable Solar Panel has a higher efficiency of 23% versus 20.8% for the Titan S 400W Full Black.
Here's how they compare across all key specifications.
Spec
EcoFlow
220W Bifacial Portable Solar Panel
220W
23% efficiency
Risen Energy
Titan S 400W Full Black
400W
20.8% efficiency
Full Specification Comparison
| Spec | 220W Bifacial Portable Solar Panel | Titan S 400W Full Black |
|---|---|---|
| Performance | ||
| Power Output | 220 W | 400 W |
| Efficiency | 23% | 20.8% |
| Cell Type | — | Mono PERC MBB Half-Cell |
| Temp. Coeff. | — | -0.34 %/°C |
| Number of Cells | — | 120 |
| Bifacial | Yes | No |
| Electrical | ||
| Voc | 21.8 V | 41.3 V |
| Vmp | 18.4 V | 34.39 V |
| Isc | 13 A | 12.34 A |
| Imp | 11.96 A | 11.64 A |
| Max System Voltage | — | 1500 V |
| Operating Temp | Up to 149 °C | -40 to +85 °C |
| Physical | ||
| Dimensions | 1830x820x25 (unfolded) / 500x820x32 (folded) mm | 1754x1096x30 mm |
| Weight | 9.5 kg | 21.5 kg |
| Frame Colour | Black | Black |
| Connector Type | MC4 | MC4 compatible |
| Junction Box IP | IP67 | IP68 |
| Warranty & Certification | ||
| Product Warranty | — | 12 years |
| Power Warranty | — | 25 years linear (84.8% yr25) |
| MCS Certified | No | No |
| Certifications | — | IEC 61215, IEC 61730, ISO 9001, ISO 14001, ISO 45001 |
| Pricing (UK) | ||
| Retail Price | £349.00 | — |
| Price per Watt | £1.586/W | — |
Frequently Asked Questions
Which is more efficient, the 220W Bifacial Portable Solar Panel or the Titan S 400W Full Black?
The 220W Bifacial Portable Solar Panel is more efficient at 23%, compared to 20.8% for the Titan S 400W Full Black. Higher efficiency means more power generated per square metre of roof space.
Which panel produces more power, the 220W Bifacial Portable Solar Panel or the Titan S 400W Full Black?
The Titan S 400W Full Black has a higher rated output at 400W. This means fewer panels would be needed to reach the same system size compared to the 220W Bifacial Portable Solar Panel.
Which solar panel should I choose for my home — the 220W Bifacial Portable Solar Panel or the Titan S 400W Full 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
220W Bifacial Portable Solar Panel
220W · 23% efficiency
View full specs →Risen Energy
Titan S 400W Full Black
400W · 20.8% efficiency · Mono PERC MBB Half-Cell
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.