Solar Panel Comparison
Renogy N-Type 320W Monocrystalline Solar Panel (2-Pack) vs Risen Energy Titan S 400W Full Black
The Titan S 400W Full Black delivers 400W, 80W more than the N-Type 320W Monocrystalline Solar Panel (2-Pack) at 320W.
N-Type 320W Monocrystalline Solar Panel (2-Pack) has a higher efficiency of 22.2% versus 20.8% for the Titan S 400W Full Black.
They use different cell technologies: N-Type 320W Monocrystalline Solar Panel (2-Pack) uses N-type Monocrystalline 18BB, while Titan S 400W Full Black uses Mono PERC MBB Half-Cell.
Here's how they compare across all key specifications.
Spec
Renogy
N-Type 320W Monocrystalline Solar Panel (2-Pack)
320W
22.2% efficiency
Risen Energy
Titan S 400W Full Black
400W
20.8% efficiency
Full Specification Comparison
| Spec | N-Type 320W Monocrystalline Solar Panel (2-Pack) | Titan S 400W Full Black |
|---|---|---|
| Performance | ||
| Power Output | 320 W | 400 W |
| Efficiency | 22.2% | 20.8% |
| Cell Type | N-type Monocrystalline 18BB | Mono PERC MBB Half-Cell |
| Temp. Coeff. | -0.29 %/°C | -0.34 %/°C |
| Number of Cells | — | 120 |
| Bifacial | No | No |
| Electrical | ||
| Voc | 43.82 V | 41.3 V |
| Vmp | 37.85 V | 34.39 V |
| Isc | 8.92 A | 12.34 A |
| Imp | 8.46 A | 11.64 A |
| Max System Voltage | 1000 V | 1500 V |
| Operating Temp | -40 to +85 °C | -40 to +85 °C |
| Physical | ||
| Dimensions | 1640x880x35 mm | 1754x1096x30 mm |
| Weight | — | 21.5 kg |
| Frame Colour | Silver | Black |
| Connector Type | MC4 | MC4 compatible |
| Junction Box IP | IP68 | IP68 |
| Warranty & Certification | ||
| Product Warranty | 10 | 12 years |
| Power Warranty | 25 years (power) | 25 years linear (84.8% yr25) |
| MCS Certified | No | No |
| Certifications | IEC 61215, IEC 61730 | IEC 61215, IEC 61730, ISO 9001, ISO 14001, ISO 45001 |
| Pricing (UK) | ||
| Retail Price | £320.99 | — |
| Price per Watt | £1.003/W | — |
Frequently Asked Questions
Which is more efficient, the N-Type 320W Monocrystalline Solar Panel (2-Pack) or the Titan S 400W Full Black?
The N-Type 320W Monocrystalline Solar Panel (2-Pack) is more efficient at 22.2%, 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 N-Type 320W Monocrystalline Solar Panel (2-Pack) 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 N-Type 320W Monocrystalline Solar Panel (2-Pack).
Which solar panel should I choose for my home — the N-Type 320W Monocrystalline Solar Panel (2-Pack) 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.
Renogy
N-Type 320W Monocrystalline Solar Panel (2-Pack)
320W · 22.2% efficiency · N-type Monocrystalline 18BB
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.