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JA Solar Module Specifications
| Model | JAM54D41-440/MB |
| Rated Power Output | 440 W |
| Module Efficiency | 22.5% |
| Cell Type | Monocrystalline n-type (16BB, Half-cell) |
| Number of Cells | 108 (6 × 18) |
| Bifaciality Factor | 80% ±10% |
| Power Tolerance | 0 ~ +3% |
| Front/Back Glass | 1.6 mm / 1.6 mm, heat-strengthened glass |
| Module Dimensions | 1,722 × 1,134 × 30 mm |
| Weight | 21.5 kg (47.4 lbs) |
| Junction Box | IP68, 3 diodes |
| Connector Type | QC 4.10-351 / MC4-EVO2A |
| Product Warranty | 25 years |
| Performance Warranty | 30-year linear, 0.4% annual degradation |
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JA Solar JAM54D41 MB 440W n-type Black Bifacial Solar Panel
SKU JA-JAM54D41-MB-BLK-BF-MODULE
JAM54D41-440/MB 440W Bifacial Module
The JA Solar JAM54D41-440/MB is a high-efficiency, all-black bifacial solar module built for residential and commercial applications where both aesthetics and performance matter. Featuring advanced n-type Bycium+ cell technology and multi-busbar half-cell construction, this 440W module delivers excellent output even in low-light conditions. With a maximum module efficiency of 22.5% and bifacial gain potential, it supports better system yields in real-world installations.
Designed with durability and longevity in mind, the JAM54D41-440/MB incorporates dual 1.6 mm heat-strengthened glass layers on both front and back for superior protection. It’s IP68-rated with integrated 3-diode junction boxes and MC4-compatible connectors, ensuring robust system integration.
JAM54D41-440/MB Module Features
- 440W Output with 22.5% Efficiency: High-performance monocrystalline cells deliver excellent power density, reducing balance of system (BOS) costs and maximizing space-constrained arrays.
- 80%±10% Bifaciality Factor: Increases total energy generation by harvesting light from both front and rear sides—ideal for reflective or light-colored ground surfaces.
- Double 1.6mm Glass Construction: Dual heat-strengthened glass layers enhance module durability, weather resistance, and resistance to potential-induced degradation (PID).
- -0.290%/°C Power Temperature Coefficient: Maintains stable performance in high-temperature environments for improved real-world energy yields.
- 25/30-Year Warranty Coverage: Backed by a 25-year product warranty and a 30-year linear power output warranty with just 0.4% annual degradation after the first year.
JAM54D41-440/MB Module Certifications
- IEC 61215, IEC 61730, UL 61215, UL 61730
- ISO 9001: 2015 Quality management systems
- ISO 14001: 2015 Environmental management systems
- SO 45001: 2018 Occupational health and safety management system
- IEC 62941: 2019 Terrestrial photovoltaic (PV) modules - Quality system for PV module manufacturing
JAM54D41-440/MB 440W Bifacial Solar Panel Review
With a sleek black design and high energy yield, the JA Solar JAM54D41-440/MB is engineered for long-lasting performance in demanding environments. Its n-type half-cell architecture with double glass construction not only delivers impressive 22.5% efficiency but also maintains strength and thermal stability under real-world conditions. Weighing just 21.5 kg and measuring 30 mm thick, the JAM54D41-440/MB is both installer-friendly and mechanically robust. It’s PVEL-certified and tested against potential induced degradation (PID), thermal cycling, and dynamic mechanical load. With a bifaciality factor of 80% ±10%, it enhances backside energy capture, making it ideal for applications with reflective surfaces or elevated racking designs.
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