JA Solar 440W Deep Blue 4.0 D41 Series Bifacial Panel JAM54-D41-440/MB
JA Solar 440W Deep Blue 4.0 D41 Series Bifacial Panel JAM54-D41-440/MB


JA Solar 440W Deep Blue 4.0 D41 Series Bifacial Panel JAM54-D41-440/MB
JA Solar 440W Deep Blue 4.0 D41 Series Bifacial Panel JAM54-D41-440/MB
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JA Solar 440W Deep Blue 4.0 D41 Series Bifacial Panel JAM54-D41-440/MB
JAM54-D41-440/MB
JA Solar 440W D41 Series Bifacial TOPCon 108 Cell Black Frame Solar Panel JAM54-D41-440/MB
Key Benefits of the JA Solar 440W Deep Blue 4.0 Panel
This advanced solar panel is engineered to deliver exceptional performance and long-term reliability, offering a multitude of benefits for solar energy enthusiasts:
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Higher Power Output: Up to 26% efficiency. Its advanced N-Type TOPCon cells convert more sunlight into electricity.
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Bifacial Energy Gain: Capture sunlight from both the front and rear sides, potentially increasing energy output depending on ground reflectivity. This dual-sided functionality is a game-changer for maximizing power generation, especially in environments with reflective surfaces like snow, sand, or light-colored rooftops.
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Enhanced Durability with Dual Glass: The robust dual-glass construction provides superior protection against environmental stresses like humidity, UV exposure, micro-cracks, and extreme weather conditions, extending the panel's lifespan significantly.
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Excellent Low-Light Performance: N-Type TOPCon technology, combined with half-cut cell design, ensures efficient power production even on cloudy days or in partially shaded conditions, guaranteeing consistent energy output.
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Lower Degradation Rate: N-Type cells are inherently more resistant to light-induced degradation (LID) and potential-induced degradation (PID), ensuring the panel maintains its high performance over its extensive lifespan. This means more consistent energy production year after year.
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Optimized Temperature Performance: With a better temperature coefficient, the panel maintains higher efficiency even in hot climates, leading to greater energy yields during peak sunlight hours.
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High Mechanical Load Capacity: Built to withstand significant wind and snow loads, ensuring reliable performance in various environmental conditions.
Warranty
JA Solar backs the quality and performance of its panels with a strong warranty package:
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25-Year Product Warranty: This warranty covers defects in materials and workmanship, providing peace of mind for your investment.
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30-Year Linear Power Output Warranty: Guarantees that the panel will retain at least 87.4% of its original performance after 30 years. This low degradation rate ensures long-term energy production and financial returns.
Best Uses
The JA Solar 440W D41 Bifacial TOPCon N-Type Dual Glass Solar Panel is incredibly versatile and ideal for a wide range of applications:
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Residential Rooftops: Maximize energy production from your home, especially with lighter-colored or reflective roof surfaces.
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Commercial and Industrial Installations: Perfect for large commercial buildings and industrial complexes where maximizing energy yield and long-term reliability are crucial.
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Agrivoltaics: Suitable for agricultural settings where the bifacial design can allow for light penetration to crops while generating electricity above.
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Carports and Canopies: The bifacial nature is highly effective in elevated structures where reflected light from the ground or surrounding surfaces can be captured.
Bifacial Technology, N-Type Cells, and Dual Glass Explained
These three core technologies are what set the JA Solar 440W D41 panel apart:
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Bifacial Technology: Unlike traditional "monofacial" solar panels that only absorb sunlight from the front, bifacial solar panels have solar cells on both the front and back. This allows them to capture direct sunlight on the front and reflected/diffused light (albedo) from surfaces below (like ground, snow, water, or light-colored rooftops) on the rear. This effectively boosts the panel's overall energy generation, leading to higher system output per square foot.
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N-Type TOPCon Cells: N-Type cells use phosphorus doping, which makes them less susceptible to Light-Induced Degradation (LID) and Potential-Induced Degradation (PID) compared to traditional P-type cells. TOPCon (Tunnel Oxide Passivated Contact) technology further enhances efficiency by creating a passivated contact layer that minimizes electron recombination losses. This combination results in higher conversion efficiency, better performance at elevated temperatures, and superior long-term stability and durability.
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Dual Glass Construction: Instead of a traditional glass-and-backsheet design, these panels feature two layers of tempered glass encasing the solar cells. This dual-glass structure significantly enhances the panel's durability and longevity. It provides superior protection against moisture ingress, UV degradation, micro-cracks, and mechanical stress (like heavy snow or strong winds). The double-glass design also contributes to a lower degradation rate over time, ensuring consistent performance for decades.
Product Specification Table
Feature |
Specification |
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Model |
JAM54-D41-440/MB |
Rated Power Output |
440 W |
Module Efficiency |
Up to 26% |
Cell Type |
N-Type Monocrystalline TOPCon, Half-Cell |
Number of Cells |
108 (6x18) |
Bifacial Gain |
Up to 30% (depending on ground reflectivity) |
Dimensions (LxWxH) |
1722mm x 1134mm x 30mm (67.8in x 44.6in x 1.2in) |
Weight |
21.5 kg (47.4 lbs) |
Front/Back Glass |
1.2 inches |
Frame Color |
Black Anodized Aluminum Alloy |
Connector Type |
QC 4.10-351 / MC4-EVO2 compatible |
Max. System Voltage |
1500 V DC |
Operating Temp. |
-40°C to +85°C (-40°F to +185°F) |
Product Warranty |
25 Years |
Performance Warranty |
30 Years (87.4% retained power) |
About JA Solar
Founded in 2005, JA Solar Technology Co., Ltd. is a global leader in the photovoltaic industry, specializing in the research, development, manufacturing, and sales of high-performance solar products, serving clients in over 165 countries and regions worldwide. Their dedication to cutting-edge technology and stringent quality control ensures reliable and efficient solar solutions for diverse applications.
Why Buy From US Solar Supplier?
As an American founded company out of Kentucky, US Solar Supplier is committed to providing top-quality solar products, backed by the world’s leading manufacturers. Our promise is to get you the fairest price from the best brands that offer warranties you can count on.
We update our inventory daily with solar components that feature the latest technology. With a reputation for excellence and a dedication to customer satisfaction, we ensure that every product we sell meets the highest standards in the industry.
Need Assistance?
We’re here to help! If you have any questions or need more information before making your purchase, don’t hesitate to call us at 1-800-230-7004. Our knowledgeable and friendly team is ready to assist you with product details, installation advice, or the purchasing process.
Why Buy From Us?
Trusted Supplier: We work with Tier 1 manufacturers who stand behind their products.
Expert Support: Our team is here to guide you every step of the way.
Manufacturer-Backed Warranties: Enjoy peace of mind with the 25-year product warranty and 30-Year Linear Power Output Warranty directly from the manufacturer.
Easy and Secure Checkout: Your information is protected with top-notch security for a smooth, worry-free transaction.
Join the many satisfied customers who have trusted us for their solar needs. Add to your cart now to secure your high-efficiency solar panels and take the next step towards sustainable energy!
FAQ
Q: What is the main advantage of bifacial solar panels like the JA Solar 440W D41? A: The main advantage is their ability to generate electricity from both sides, capturing not only direct sunlight but also reflected light (albedo) from the ground or surrounding surfaces. This can significantly increase overall energy yield compared to traditional monofacial panels.
Q: How does N-Type TOPCon technology improve performance? A: N-Type TOPCon cells offer higher efficiency, better temperature coefficients (meaning less power loss in hot weather), and lower degradation rates (LID and PID resistance). This ensures more consistent and higher energy production over the panel's lifespan.
Q: Is the dual glass design purely for aesthetics or does it offer functional benefits? A: While the sleek all-black design with dual glass is aesthetically pleasing, its primary benefit is enhanced durability. The double glass structure provides superior protection against environmental stresses, micro-cracks, and ensures a lower long-term degradation rate, extending the panel's operational life.
Q: What kind of warranty does JA Solar offer for this panel? A: JA Solar provides a 25-year product warranty covering manufacturing defects and a 30-year linear power output warranty, guaranteeing at least 87.4% of the original power output after three decades.
Q: Can this panel be used in residential rooftop installations? A: Absolutely! While highly suited for commercial and utility-scale projects due to its high power and efficiency, the JA Solar 440W D41 panel is also an excellent choice for residential rooftops, especially if you have a light-colored roof or are looking to maximize energy production from limited space.