Solar Panel Comparison
Meyer Burger White 395W vs Perlight Solar Delta 425W Total Black Mono PERC
The Delta 425W Total Black Mono PERC delivers 425W, 30W more than the White 395W at 395W.
White 395W has a higher efficiency of 21.5% versus 21.4% for the Delta 425W Total Black Mono PERC.
They use different cell technologies: White 395W uses HJT with SmartWire (SWCT), while Delta 425W Total Black Mono PERC uses Mono PERC.
Here's how they compare across all key specifications.
Spec
Meyer Burger
White 395W
395W
21.5% efficiency
Perlight Solar
Delta 425W Total Black Mono PERC
425W
21.4% efficiency
Full Specification Comparison
| Spec | White 395W | Delta 425W Total Black Mono PERC |
|---|---|---|
| Performance | ||
| Power Output | 395 W | 425 W |
| Efficiency | 21.5% | 21.4% |
| Cell Type | HJT with SmartWire (SWCT) | Mono PERC |
| Temp. Coeff. | -0.259 %/°C | -0.35 %/°C |
| Number of Cells | 120 | 108 |
| Bifacial | Yes | No |
| Electrical | ||
| Voc | 44.5 V | — |
| Vmp | 38.3 V | — |
| Isc | 10.9 A | — |
| Imp | 10.3 A | — |
| Max System Voltage | 1000 V | 1500 V |
| Operating Temp | -40 to +85 °C | -40 to +85 °C |
| Physical | ||
| Dimensions | 1767x1041x35 mm | 1812x1096x30 mm |
| Weight | 19.7 kg | 20.8 kg |
| Frame Colour | Black | Black |
| Connector Type | MC4,MC4-Evo2 | MC4 |
| Junction Box IP | IP68 | — |
| Warranty & Certification | ||
| Product Warranty | 25 years | 30 |
| Power Warranty | 25 years (93% retained) | 30 years linear (2% yr1, 0.55%/yr) |
| MCS Certified | Yes | Yes |
| Certifications | IEC 61215, IEC 61730, IEC 62804, IEC 61701 | IEC 61215, IEC 61730 |
| Pricing (UK) | ||
| Retail Price | — | £86.39 |
| Price per Watt | — | £0.203/W |
Frequently Asked Questions
Which is more efficient, the White 395W or the Delta 425W Total Black Mono PERC?
The White 395W is more efficient at 21.5%, compared to 21.4% for the Delta 425W Total Black Mono PERC. Higher efficiency means more power generated per square metre of roof space.
Which panel produces more power, the White 395W or the Delta 425W Total Black Mono PERC?
The Delta 425W Total Black Mono PERC has a higher rated output at 425W. This means fewer panels would be needed to reach the same system size compared to the White 395W.
Which solar panel should I choose for my home — the White 395W or the Delta 425W Total Black Mono PERC?
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.
Meyer Burger
White 395W
395W · 21.5% efficiency · HJT with SmartWire (SWCT)
View full specs →Perlight Solar
Delta 425W Total Black Mono PERC
425W · 21.4% efficiency · Mono PERC
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.