Solar Panel Comparison
AIKO Neostar 2S+ 510W Dual Glass All Black Gen 2 vs LONGi Hi-MO 7 580W Bifacial
The Hi-MO 7 580W Bifacial delivers 580W, 70W 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 22.5% for the Hi-MO 7 580W Bifacial.
They use different cell technologies: Neostar 2S+ 510W Dual Glass All Black Gen 2 uses N-type ABC (All-Back Contact), while Hi-MO 7 580W Bifacial uses N-type HPDC 182mm.
Here's how they compare across all key specifications.
Spec
AIKO
Neostar 2S+ 510W Dual Glass All Black Gen 2
510W
23% efficiency
LONGi
Hi-MO 7 580W Bifacial
580W
22.5% efficiency
Full Specification Comparison
| Spec | Neostar 2S+ 510W Dual Glass All Black Gen 2 | Hi-MO 7 580W Bifacial |
|---|---|---|
| Performance | ||
| Power Output | 510 W | 580 W |
| Efficiency | 23% | 22.5% |
| Cell Type | N-type ABC (All-Back Contact) | N-type HPDC 182mm |
| Temp. Coeff. | -0.26 %/°C | -0.28 %/°C |
| Number of Cells | 120 | 144 |
| Bifacial | Yes | Yes |
| Electrical | ||
| Voc | 45.32 V | 51.41 V |
| Vmp | 38.2 V | 43.22 V |
| Isc | 14.23 A | 14.22 A |
| Imp | 13.49 A | 13.42 A |
| Max System Voltage | 1500 V | 1500 V |
| Operating Temp | -40 to +85 °C | -40 to +85 °C |
| Physical | ||
| Dimensions | 1954x1134x30 mm | 2278x1134x30 mm |
| Weight | 27.2 kg | 31.8 kg |
| Frame Colour | Black | Silver |
| Connector Type | MC4 EVO2 | MC4 |
| Junction Box IP | — | IP68 |
| Warranty & Certification | ||
| Product Warranty | 25 | 12 years |
| Power Warranty | 30 years linear | 30 years linear (0.4%/yr) |
| MCS Certified | Yes | No |
| Certifications | IEC 61215, IEC 61730 | IEC 61215, IEC 61730, CE, CB, ISO 9001 |
| 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 Hi-MO 7 580W Bifacial?
The Neostar 2S+ 510W Dual Glass All Black Gen 2 is more efficient at 23%, compared to 22.5% for the Hi-MO 7 580W Bifacial. 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 Hi-MO 7 580W Bifacial?
The Hi-MO 7 580W Bifacial has a higher rated output at 580W. 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 Hi-MO 7 580W Bifacial?
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 →LONGi
Hi-MO 7 580W Bifacial
580W · 22.5% efficiency · N-type HPDC 182mm
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.