JA Solar JAM72D40 600LB (SFR) (BiFacial)
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Technical specifications
JA Solar JAM72D40 580–605W LB Photovoltaic Module – Bifacial, Glass-Glass, N-Type Cells
The JA Solar JAM72D40 LB module is a premium-class photovoltaic panel that incorporates advanced N-Type cell technology and durable glass-glass construction. Thanks to its bifacial design, it can capture additional energy from reflected light, significantly increasing total energy yield.
This model stands out for its exceptional durability, low degradation rate, and high energy conversion efficiency, making it an excellent choice for large-scale industrial installations and photovoltaic farms.
Variants

Product description
JA Solar JAM72D40 580–605W LB Photovoltaic Module – Bifacial, Glass-Glass, N-Type Cells
The JA Solar JAM72D40 LB module is a premium-class photovoltaic panel that incorporates advanced N-Type cell technology and durable glass-glass construction. Thanks to its bifacial design, it can capture additional energy from reflected light, significantly increasing total energy yield.
This model stands out for its exceptional durability, low degradation rate, and high energy conversion efficiency, making it an excellent choice for large-scale industrial installations and photovoltaic farms.
Key Product Features:
Power Output: 580 W to 605 W (depending on variant)
Cell Type: N-Type TOPCon, bifacial cells
Technology: Half-cell MBB (multi-busbar)
Construction: Glass-glass, 72 cells (182 mm format)
Module Efficiency: Up to 22.8%
Environmental Resistance: Up to 5400 Pa (front – wind/snow), 2400 Pa (rear)
Thermal Performance: Excellent operation in high-temperature environments
Power Degradation: Only 1% in the first year, then a maximum of 0.4% annually over 30 years
Dimensions and Build:
Dimensions: Approx. 2278 × 1134 × 30 mm
Weight: Approx. 33 kg
Connectors: MC4-compatible
Cable Length: Standard; custom lengths available upon request
Junction Box: IP68 protection rating, 3 bypass diodes
Warranty and Certifications:
Product Warranty: 12 years
Performance Warranty: 30 years linear power output guarantee
Certifications: IEC 61215, IEC 61730, ISO 9001, ISO 14001, ISO 45001
Applications:
This module is ideal for:
Large-scale ground-mounted PV installations (solar farms)
Single- or dual-axis tracker systems
Environments requiring high durability and long-term performance
Thanks to its combination of advanced technology, outstanding reliability, and exceptional longevity, the JA Solar JAM72D40 580–605W LB module is a perfect solution for investors seeking maximum return on investment and stable long-term performance. By choosing JA Solar, you are choosing quality backed by international certifications and millions of modules installed worldwide.