Solar Panel Comparison
AIKO Neostar 2S+ 510W Dual Glass All Black Gen 2 vs Risen Energy Titan Bifacial 540W
The Titan Bifacial 540W delivers 540W, 30W more than the Neostar 2S+ 510W Dual Glass All Black Gen 2 at 510W.
Neostar 2S+ 510W Dual Glass All Black Gen 2 has a higher efficiency of 23% versus 20.7% for the Titan Bifacial 540W.
They use different cell technologies: Neostar 2S+ 510W Dual Glass All Black Gen 2 uses N-type ABC (All-Back Contact), while Titan Bifacial 540W uses Mono PERC Half-Cut Bifacial.
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 Bifacial 540W
540W
20.7% efficiency
Full Specification Comparison
| Spec | Neostar 2S+ 510W Dual Glass All Black Gen 2 | Titan Bifacial 540W |
|---|---|---|
| Performance | ||
| Power Output | 510 W | 540 W |
| Efficiency | 23% | 20.7% |
| Cell Type | N-type ABC (All-Back Contact) | Mono PERC Half-Cut Bifacial |
| Temp. Coeff. | -0.26 %/°C | -0.25 %/°C |
| Number of Cells | 120 | 110 |
| Bifacial | Yes | Yes |
| Electrical | ||
| Voc | 45.32 V | 37.88 V |
| Vmp | 38.2 V | 31.56 V |
| Isc | 14.23 A | 18.13 A |
| Imp | 13.49 A | 17.12 A |
| Max System Voltage | 1500 V | 1500 V |
| Operating Temp | -40 to +85 °C | -40 to +85 °C |
| Physical | ||
| Dimensions | 1954x1134x30 mm | 2384x1096x30 mm |
| Weight | 27.2 kg | 34 kg |
| Frame Colour | Black | — |
| Connector Type | MC4 EVO2 | MC4 |
| Warranty & Certification | ||
| Product Warranty | 25 | 12 years |
| Power Warranty | 30 years linear | 30 years |
| MCS Certified | Yes | No |
| Certifications | IEC 61215, IEC 61730 | IEC 62941, 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 Bifacial 540W?
The Neostar 2S+ 510W Dual Glass All Black Gen 2 is more efficient at 23%, compared to 20.7% for the Titan Bifacial 540W. 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 Bifacial 540W?
The Titan Bifacial 540W has a higher rated output at 540W. This means fewer panels would be needed to reach the same system size compared to the Neostar 2S+ 510W Dual Glass All Black Gen 2.
Which solar panel should I choose for my home — the Neostar 2S+ 510W Dual Glass All Black Gen 2 or the Titan Bifacial 540W?
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 Bifacial 540W
540W · 20.7% efficiency · Mono PERC Half-Cut Bifacial
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.