Solar Panel Comparison
Maxeon / SunPower Maxeon 6 DC 440W vs TCL Solar T-Class 440W TOPCon Half-Cut All Black
Both panels are rated at 440W.
Maxeon 6 DC 440W has a higher efficiency of 22.8% versus 22% for the T-Class 440W TOPCon Half-Cut All Black.
They use different cell technologies: Maxeon 6 DC 440W uses IBC (Interdigitated Back Contact), while T-Class 440W TOPCon Half-Cut All Black uses N-type TOPCon Half-Cut SMB.
Here's how they compare across all key specifications.
Spec
Maxeon / SunPower
Maxeon 6 DC 440W
440W
22.8% efficiency
TCL Solar
T-Class 440W TOPCon Half-Cut All Black
440W
22% efficiency
Full Specification Comparison
| Spec | Maxeon 6 DC 440W | T-Class 440W TOPCon Half-Cut All Black |
|---|---|---|
| Performance | ||
| Power Output | 440 W | 440 W |
| Efficiency | 22.8% | 22% |
| Cell Type | IBC (Interdigitated Back Contact) | N-type TOPCon Half-Cut SMB |
| Temp. Coeff. | -0.29 %/°C | -0.3 %/°C |
| Number of Cells | 66 | 108 |
| Bifacial | No | No |
| Electrical | ||
| Voc | 48.2 V | — |
| Vmp | 40.5 V | — |
| Isc | 11.58 A | — |
| Imp | 10.87 A | — |
| Max System Voltage | 1000 V | 1500 V |
| Operating Temp | -40 to +85 °C | -40 to +85 °C |
| Physical | ||
| Dimensions | 1872x1032x40 mm | 1762x1134x30 mm |
| Weight | 20.9 kg | — |
| Frame Colour | Black | Black |
| Connector Type | EVO2 | MC4 |
| Junction Box IP | IP68 | — |
| Warranty & Certification | ||
| Product Warranty | 25 years | 25 |
| Power Warranty | 25 years / 92% (extendable to 40yr) | 30 years linear |
| MCS Certified | No | Yes |
| Certifications | IEC 61215, IEC 61730, UL 61730, ISO 9001, ISO 14001, IEC 62716, IEC 61701, MIL-STD-810G | IEC 61215, IEC 61730 |
| Pricing (UK) | ||
| Retail Price | £650.00 | — |
| Price per Watt | £1.477/W | — |
Frequently Asked Questions
Which is more efficient, the Maxeon 6 DC 440W or the T-Class 440W TOPCon Half-Cut All Black?
The Maxeon 6 DC 440W is more efficient at 22.8%, compared to 22% for the T-Class 440W TOPCon Half-Cut All Black. Higher efficiency means more power generated per square metre of roof space.
Which panel produces more power, the Maxeon 6 DC 440W or the T-Class 440W TOPCon Half-Cut All Black?
Both panels are rated at the same output of 440W.
Which solar panel should I choose for my home — the Maxeon 6 DC 440W or the T-Class 440W TOPCon Half-Cut All 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.
Maxeon / SunPower
Maxeon 6 DC 440W
440W · 22.8% efficiency · IBC (Interdigitated Back Contact)
View full specs →TCL Solar
T-Class 440W TOPCon Half-Cut All Black
440W · 22% efficiency · N-type TOPCon Half-Cut SMB
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.