Solar Panel Comparison

JA Solar DeepBlue 4.0 Pro 580W Bifacial vs Risen Energy Titan S 400W Full Black

The DeepBlue 4.0 Pro 580W Bifacial delivers 580W, 180W more than the Titan S 400W Full Black at 400W.

DeepBlue 4.0 Pro 580W Bifacial has a higher efficiency of 22.5% versus 20.8% for the Titan S 400W Full Black.

They use different cell technologies: DeepBlue 4.0 Pro 580W Bifacial uses N-type TOPCon 182mm, while Titan S 400W Full Black uses Mono PERC MBB Half-Cell.

Here's how they compare across all key specifications.

DeepBlue 4.0 Pro 580W Bifacial· Higher efficiencyDeepBlue 4.0 Pro 580W Bifacial· Higher outputTitan S 400W Full Black· Better temp. performanceTitan S 400W Full Black· Lighter

Spec

JA Solar

DeepBlue 4.0 Pro 580W Bifacial

580W

22.5% efficiency

Risen Energy

Titan S 400W Full Black

400W

20.8% efficiency

Full Specification Comparison

SpecDeepBlue 4.0 Pro 580W BifacialTitan S 400W Full Black
Performance
Power Output580 W400 W
Efficiency22.5%20.8%
Cell TypeN-type TOPCon 182mmMono PERC MBB Half-Cell
Temp. Coeff.-0.3 %/°C-0.34 %/°C
Number of Cells144120
BifacialYesNo
Electrical
Voc51.3 V41.3 V
Vmp43.03 V34.39 V
Isc14.36 A12.34 A
Imp13.48 A11.64 A
Max System Voltage1500 V1500 V
Operating Temp-40 to +85 °C-40 to +85 °C
Physical
Dimensions2278x1134x30 mm1754x1096x30 mm
Weight31.8 kg21.5 kg
Frame ColourSilverBlack
Connector TypeMC4MC4 compatible
Junction Box IPIP68IP68
Warranty & Certification
Product Warranty12 years12 years
Power Warranty30 years linear (0.4%/yr)25 years linear (84.8% yr25)
MCS CertifiedYesNo
CertificationsIEC 61215, IEC 61730, IEC 61701, IEC 62716, CE, TUV SUD, TUV NORDIEC 61215, IEC 61730, ISO 9001, ISO 14001, ISO 45001

Frequently Asked Questions

Which is more efficient, the DeepBlue 4.0 Pro 580W Bifacial or the Titan S 400W Full Black?

The DeepBlue 4.0 Pro 580W Bifacial is more efficient at 22.5%, compared to 20.8% for the Titan S 400W Full Black. 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 Titan S 400W Full Black?

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 Titan S 400W Full Black.

Which solar panel should I choose for my home — the DeepBlue 4.0 Pro 580W Bifacial or the Titan S 400W Full 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.

JA Solar

DeepBlue 4.0 Pro 580W Bifacial

580W · 22.5% efficiency · N-type TOPCon 182mm

View full specs →

Risen Energy

Titan S 400W Full Black

400W · 20.8% efficiency · Mono PERC MBB Half-Cell

View full specs →

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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.

Solar EstimatorEstimate Installation Cost