Solar Panel Comparison
Canadian Solar HiKu6 440W Mono PERC vs Canadian Solar HiKu7 665W Mono PERC Commercial
The HiKu7 665W Mono PERC Commercial delivers 665W, 225W more than the HiKu6 440W Mono PERC at 440W.
HiKu6 440W Mono PERC has a higher efficiency of 22.5% versus 21.2% for the HiKu7 665W Mono PERC Commercial.
They use different cell technologies: HiKu6 440W Mono PERC uses Mono PERC, while HiKu7 665W Mono PERC Commercial uses Mono PERC M12 Half-Cell.
Here's how they compare across all key specifications.
Spec
Canadian Solar
HiKu6 440W Mono PERC
440W
22.5% efficiency
Canadian Solar
HiKu7 665W Mono PERC Commercial
665W
21.2% efficiency
Full Specification Comparison
| Spec | HiKu6 440W Mono PERC | HiKu7 665W Mono PERC Commercial |
|---|---|---|
| Performance | ||
| Power Output | 440 W | 665 W |
| Efficiency | 22.5% | 21.2% |
| Cell Type | Mono PERC | Mono PERC M12 Half-Cell |
| Temp. Coeff. | -0.34 %/°C | -0.34 %/°C |
| Number of Cells | 108 | 156 |
| Bifacial | No | No |
| Electrical | ||
| Voc | 41.5 V | 43.9 V |
| Vmp | 39.4 V | 37 V |
| Isc | 11.4 A | 19.59 A |
| Imp | 11.16 A | 18 A |
| Max System Voltage | 1000 V | 1500 V |
| Operating Temp | -40 to +85 °C | -40 to +85 °C |
| Physical | ||
| Dimensions | 1722x1134x30 mm | 2384x1303x35 mm |
| Weight | 21.3 kg | 34.4 kg |
| Frame Colour | Black | Silver |
| Connector Type | Staubli MC4 | MC4 |
| Junction Box IP | — | IP68 |
| Warranty & Certification | ||
| Product Warranty | 25 years | 25 |
| Power Warranty | 25 years linear | 25 years linear (0.55%/yr) |
| MCS Certified | Yes | No |
| Certifications | IEC 61215, IEC 61730 | IEC 61215, IEC 61730, CE |
| Pricing (UK) | ||
| Retail Price | £45.72 | — |
| Price per Watt | £0.104/W | — |
Frequently Asked Questions
Which is more efficient, the HiKu6 440W Mono PERC or the HiKu7 665W Mono PERC Commercial?
The HiKu6 440W Mono PERC is more efficient at 22.5%, compared to 21.2% for the HiKu7 665W Mono PERC Commercial. Higher efficiency means more power generated per square metre of roof space.
Which panel produces more power, the HiKu6 440W Mono PERC or the HiKu7 665W Mono PERC Commercial?
The HiKu7 665W Mono PERC Commercial has a higher rated output at 665W. This means fewer panels would be needed to reach the same system size compared to the HiKu6 440W Mono PERC.
Which solar panel should I choose for my home — the HiKu6 440W Mono PERC or the HiKu7 665W Mono PERC Commercial?
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.
Canadian Solar
HiKu6 440W Mono PERC
440W · 22.5% efficiency · Mono PERC
View full specs →Canadian Solar
HiKu7 665W Mono PERC Commercial
665W · 21.2% efficiency · Mono PERC M12 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.