Solar Panel Comparison
LONGi Hi-MO X6 425W All-Black HPBC vs Maxeon / SunPower Maxeon 7 475W
The Maxeon 7 475W delivers 475W, 50W more than the Hi-MO X6 425W All-Black HPBC at 425W.
Maxeon 7 475W has a higher efficiency of 24% versus 22.5% for the Hi-MO X6 425W All-Black HPBC.
They use different cell technologies: Hi-MO X6 425W All-Black HPBC uses HPBC (Hybrid Passivated Back Contact), while Maxeon 7 475W uses IBC (Interdigitated Back Contact) N-type.
Here's how they compare across all key specifications.
Spec
LONGi
Hi-MO X6 425W All-Black HPBC
425W
22.5% efficiency
Maxeon / SunPower
Maxeon 7 475W
475W
24% efficiency
Full Specification Comparison
| Spec | Hi-MO X6 425W All-Black HPBC | Maxeon 7 475W |
|---|---|---|
| Performance | ||
| Power Output | 425 W | 475 W |
| Efficiency | 22.5% | 24% |
| Cell Type | HPBC (Hybrid Passivated Back Contact) | IBC (Interdigitated Back Contact) N-type |
| Temp. Coeff. | -0.29 %/°C | -0.27 %/°C |
| Number of Cells | 108 | 120 |
| Bifacial | No | No |
| Electrical | ||
| Voc | 39.23 V | 44.47 V |
| Vmp | 32.96 V | 38.06 V |
| Isc | 13.93 A | 13.2 A |
| Imp | 12.9 A | 12.48 A |
| Max System Voltage | 1500 V | 1000 V |
| Operating Temp | -40 to +85 °C | -40 to +85 °C |
| Physical | ||
| Dimensions | 1722x1134x30 mm | 1913x1035x35 mm |
| Weight | — | 21.1 kg |
| Frame Colour | Black | Black |
| Connector Type | MC4 | MC4 compatible |
| Warranty & Certification | ||
| Product Warranty | 25 | 40 years |
| Power Warranty | 25 years linear | 40 years (92% yr25, 0.25%/yr) |
| MCS Certified | Yes | No |
| Certifications | IEC 61215, IEC 61730 | IEC 61215, IEC 61730 |
Frequently Asked Questions
Which is more efficient, the Hi-MO X6 425W All-Black HPBC or the Maxeon 7 475W?
The Maxeon 7 475W is more efficient at 24%, compared to 22.5% for the Hi-MO X6 425W All-Black HPBC. Higher efficiency means more power generated per square metre of roof space.
Which panel produces more power, the Hi-MO X6 425W All-Black HPBC or the Maxeon 7 475W?
The Maxeon 7 475W has a higher rated output at 475W. This means fewer panels would be needed to reach the same system size compared to the Hi-MO X6 425W All-Black HPBC.
Which solar panel should I choose for my home — the Hi-MO X6 425W All-Black HPBC or the Maxeon 7 475W?
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.
LONGi
Hi-MO X6 425W All-Black HPBC
425W · 22.5% efficiency · HPBC (Hybrid Passivated Back Contact)
View full specs →Maxeon / SunPower
Maxeon 7 475W
475W · 24% efficiency · IBC (Interdigitated Back Contact) N-type
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.