Solar Panel Comparison
AIKO Neostar 2S+ 510W Dual Glass All Black Gen 2 vs Risen Energy Titan S 400W Full Black
The Neostar 2S+ 510W Dual Glass All Black Gen 2 delivers 510W, 110W more than the Titan S 400W Full Black at 400W.
Neostar 2S+ 510W Dual Glass All Black Gen 2 has a higher efficiency of 23% versus 20.8% for the Titan S 400W Full Black.
They use different cell technologies: Neostar 2S+ 510W Dual Glass All Black Gen 2 uses N-type ABC (All-Back Contact), while Titan S 400W Full Black uses Mono PERC MBB Half-Cell.
Here's how they compare across all key specifications.
Spec
AIKO
Neostar 2S+ 510W Dual Glass All Black Gen 2
510W
23% efficiency
Risen Energy
Titan S 400W Full Black
400W
20.8% efficiency
Full Specification Comparison
| Spec | Neostar 2S+ 510W Dual Glass All Black Gen 2 | Titan S 400W Full Black |
|---|---|---|
| Performance | ||
| Power Output | 510 W | 400 W |
| Efficiency | 23% | 20.8% |
| Cell Type | N-type ABC (All-Back Contact) | Mono PERC MBB Half-Cell |
| Temp. Coeff. | -0.26 %/°C | -0.34 %/°C |
| Number of Cells | 120 | 120 |
| Bifacial | Yes | No |
| Electrical | ||
| Voc | 45.32 V | 41.3 V |
| Vmp | 38.2 V | 34.39 V |
| Isc | 14.23 A | 12.34 A |
| Imp | 13.49 A | 11.64 A |
| Max System Voltage | 1500 V | 1500 V |
| Operating Temp | -40 to +85 °C | -40 to +85 °C |
| Physical | ||
| Dimensions | 1954x1134x30 mm | 1754x1096x30 mm |
| Weight | 27.2 kg | 21.5 kg |
| Frame Colour | Black | Black |
| Connector Type | MC4 EVO2 | MC4 compatible |
| Junction Box IP | — | IP68 |
| Warranty & Certification | ||
| Product Warranty | 25 | 12 years |
| Power Warranty | 30 years linear | 25 years linear (84.8% yr25) |
| MCS Certified | Yes | No |
| Certifications | IEC 61215, IEC 61730 | IEC 61215, IEC 61730, ISO 9001, ISO 14001, ISO 45001 |
| Pricing (UK) | ||
| Retail Price | £78.52 | — |
| Price per Watt | £0.154/W | — |
Frequently Asked Questions
Which is more efficient, the Neostar 2S+ 510W Dual Glass All Black Gen 2 or the Titan S 400W Full Black?
The Neostar 2S+ 510W Dual Glass All Black Gen 2 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 Neostar 2S+ 510W Dual Glass All Black Gen 2 or the Titan S 400W Full Black?
The Neostar 2S+ 510W Dual Glass All Black Gen 2 has a higher rated output at 510W. This means fewer panels would be needed to reach the same system size compared to the Titan S 400W Full Black.
Which solar panel should I choose for my home — the Neostar 2S+ 510W Dual Glass All Black Gen 2 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.
AIKO
Neostar 2S+ 510W Dual Glass All Black Gen 2
510W · 23% efficiency · N-type ABC (All-Back Contact)
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.