Solar Panel Comparison
JA Solar DeepBlue 4.0 Pro 580W Bifacial vs Meyer Burger White 395W
The DeepBlue 4.0 Pro 580W Bifacial delivers 580W, 185W more than the White 395W at 395W.
DeepBlue 4.0 Pro 580W Bifacial has a higher efficiency of 22.5% versus 21.5% for the White 395W.
They use different cell technologies: DeepBlue 4.0 Pro 580W Bifacial uses N-type TOPCon 182mm, while White 395W uses HJT with SmartWire (SWCT).
Here's how they compare across all key specifications.
Spec
JA Solar
DeepBlue 4.0 Pro 580W Bifacial
580W
22.5% efficiency
Meyer Burger
White 395W
395W
21.5% efficiency
Full Specification Comparison
| Spec | DeepBlue 4.0 Pro 580W Bifacial | White 395W |
|---|---|---|
| Performance | ||
| Power Output | 580 W | 395 W |
| Efficiency | 22.5% | 21.5% |
| Cell Type | N-type TOPCon 182mm | HJT with SmartWire (SWCT) |
| Temp. Coeff. | -0.3 %/°C | -0.259 %/°C |
| Number of Cells | 144 | 120 |
| Bifacial | Yes | Yes |
| Electrical | ||
| Voc | 51.3 V | 44.5 V |
| Vmp | 43.03 V | 38.3 V |
| Isc | 14.36 A | 10.9 A |
| Imp | 13.48 A | 10.3 A |
| Max System Voltage | 1500 V | 1000 V |
| Operating Temp | -40 to +85 °C | -40 to +85 °C |
| Physical | ||
| Dimensions | 2278x1134x30 mm | 1767x1041x35 mm |
| Weight | 31.8 kg | 19.7 kg |
| Frame Colour | Silver | Black |
| Connector Type | MC4 | MC4,MC4-Evo2 |
| Junction Box IP | IP68 | IP68 |
| Warranty & Certification | ||
| Product Warranty | 12 years | 25 years |
| Power Warranty | 30 years linear (0.4%/yr) | 25 years (93% retained) |
| MCS Certified | Yes | Yes |
| Certifications | IEC 61215, IEC 61730, IEC 61701, IEC 62716, CE, TUV SUD, TUV NORD | IEC 61215, IEC 61730, IEC 62804, IEC 61701 |
Frequently Asked Questions
Which is more efficient, the DeepBlue 4.0 Pro 580W Bifacial or the White 395W?
The DeepBlue 4.0 Pro 580W Bifacial is more efficient at 22.5%, compared to 21.5% for the White 395W. Higher efficiency means more power generated per square metre of roof space.
Which panel produces more power, the DeepBlue 4.0 Pro 580W Bifacial or the White 395W?
The DeepBlue 4.0 Pro 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 White 395W.
Which solar panel should I choose for my home — the DeepBlue 4.0 Pro 580W Bifacial or the White 395W?
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.
JA Solar
DeepBlue 4.0 Pro 580W Bifacial
580W · 22.5% efficiency · N-type TOPCon 182mm
View full specs →Meyer Burger
White 395W
395W · 21.5% efficiency · HJT with SmartWire (SWCT)
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.