JA Solar 585W N-Type Bifacial Panel
The JA Solar 585W N-Type Bifacial Panel is a Tier-1 solar module designed for high efficiency and long-term performance. Combining N-type TOPCon monocrystalline cell technology with a bifacial glass structure, it captures sunlight from both the front and back surfaces. This dual-surface energy absorption significantly boosts overall energy generation compared to standard single-sided modules.
Engineered for residential rooftop, commercial, and utility-scale installations, this panel operates exceptionally well under high temperatures and weak lighting conditions. Its advanced cell architecture reduces Light-Induced Degradation (LID), delivering stable power yield and strong return on investment (ROI).
Technical Product Specifications
| Parameter | Specification |
| Model Series | JAM72S30 / DeepBlue Series |
| Rated Maximum Power ($P_{max}$) | 585 W |
| Module Efficiency | Up to 22.6% |
| Cell Type | N-Type Monocrystalline TOPCon |
| Number of Cells | 144 (6 x 24) half-cut cells |
| Open Circuit Voltage ($V_{oc}$) | 51.22 V |
| Maximum Power Voltage ($V_{mp}$) | 42.42 V |
| Short Circuit Current ($I_{sc}$) | 14.56 A |
| Maximum Power Current ($I_{mp}$) | 13.79 A |
| Temperature Coefficient ($P_{max}$) | -0.30% / °C to -0.35% / °C |
| Dimensions | 2333 mm × 1134 mm × 30 mm |
| Weight | ~28.0 kg |
| Junction Box Rating | IP68 protection class (3 bypass diodes) |
| Front/Back Glass | High-transmittance tempered glass |
| Frame Material | Anodized aluminum alloy |
| Maximum System Voltage | 1500 V DC |
Key Features & Benefits
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N-Type TOPCon Cell Efficiency: N-type technology virtually eliminates Light-Induced Degradation (LID), ensuring low annual degradation rate and high power retention over decades.
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Bifacial Power Gain: The rear side of the module utilizes ambient light reflected off ground surfaces, grass, or rooftops, yielding up to 10%–25% extra energy output depending on installation conditions.
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Exceptional Low-Light Performance: The half-cell TOPCon layout maintains high power conversion efficiency during early mornings, late evenings, and overcast conditions.
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Optimized Temperature Coefficient: Its low temperature coefficient minimizes output losses during high-heat summer peak hours.
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Heavy-Duty Structural Durability: Certified to withstand heavy wind loads (up to 2400 Pa) and front snow loads (up to 5400 Pa) with an IP68 junction box for complete weatherproofing.
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Extended Performance Warranty: Backed by standard Tier-1 warranties, offering a 12-year product materials warranty and a 30-year linear performance output warranty.
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