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JA Solar Deep Blue 4.0 X - Highest efficiency for future-proof projects

The Deep Blue 4.0 X series from JA Solar combines advanced technology with impressive performance. With a power range of 555 to 590 Wp and an efficiency of up to 22.8 %, this series sets new standards in photovoltaics. The proven half-cell technology and robust design make it ideal for large-scale, industrial installations.

The modules in the Deep Blue 4.0 X series not only impress with their high efficiency, but also with their durability. Thanks to an annual degradation of just 0.40 %, they guarantee consistently high energy generation over decades. With their temperature tolerance and mechanical stability, they offer maximum reliability even under demanding conditions.

For even higher outputs or projects with N-type technology, discover the Deep Blue 4.0 Pro series.
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JA Solar Deep Blue 4.0 X - The future of photovoltaics

Powerful and reliable

The JA Solar Deep Blue 4.0 X series stands for innovation and efficiency. With a power range of 555 to 590 Wp and an impressive efficiency of up to 22.7 %, this series offers an optimal solution for large-scale solar systems. Developed with the latest cell technology, it guarantees stable energy generation for decades.

Technical highlights of the Deep Blue 4.0 X series

  • High-performance modules: Ideal for industrial applications with up to 590 Wp.
  • High efficiency: Efficiency values of up to 22.8 % thanks to advanced half-cell technology.
  • Robust and durable: Withstands mechanical loads of up to 5,400 Pa (snow) and 2,400 Pa (wind).
  • Optimized temperature tolerance: Low power loss at high temperatures thanks to low temperature coefficient.
  • Sustainability: Minimal degradation of just 0.40 % per year ensures long-term performance.

Model variants of the Deep Blue 4.0 X series

JAM72D40 GB
  • Maximum power: 580 W
  • Power range: 555-580 W
  • Efficiency: Up to 22.5
  • Dimensions: 2278 × 1134 × 30 mm
  • Special feature: Bifacial module


JAM72D40 MB
  • Maximum output: 590 W
  • Power range: 565-590 W
  • Efficiency: Up to 22.8 %
  • Dimensions: 2278 × 1134 × 30 mm

Sustainable energy for the future

Thanks to an annual degradation of just 0.40 % and guaranteed energy generation of over 87 % of the original output after 30 years, the Deep Blue 4.0 X series is the perfect choice for large-scale sustainable projects. Independent tests have also recognized the modules as "top performers", underlining their reliability and quality.

Compare the Deep Blue 4.0 X modules

The series offers various options for different use cases, from large-scale industrial plants to specialized projects. Also discover the complementary modules of the Deep Blue 4.0 Pro series to find the ideal setup for your project.

Discover other model series from JA Solar

In addition to the Deep Blue 4.0 X series, JA Solar also offers the JAM66, JAM54, JAM72 and JAM60 models, which can be optimally adapted to different project requirements. Discover more modules for JAM66, JAM54, JAM72 and JAM60 and find the right module for your project.

Find out more about the manufacturer JA Solar on our manufacturer page.

Frequently asked questions

  • Where does JA Solar have production?
    JA Solar is headquartered in Beijing, with production now expanded to Malaysia. With a total of eleven production facilities and 27 subsidiaries, JA Solar's products are available in more than 100 countries and regions around the world.
  • When was JA Solar founded?
    The Chinese manufacturer JA Solar was founded in 2005. JA Solar focuses on the production of wafers, PV cells and modules, and photovoltaic power plants.
  • Is JA Solar a Tier 1 manufacturer?
    JA Solar is one of the largest solar module manufacturers in the world and has been listed as a Tier-1 company by BloombergNEF.
  • Which modules does JA Solar offer?
    JA Solar offers bifacial monocrystalline PERC glass-glass modules and monofacial, -crystalline standard modules.
  • What guarantees do JA Solar modules have?
    JA Solar's double glass modules include a 30-year performance guarantee, while the monofacial modules guarantee 25 years of performance. All JA Solar modules have a product warranty of 12 years.
  • How many employees does JA Solar have?
    The company has over 25,000 employees and records more than 33,000 global users.
  • What products does JA Solar offer?
    JA Solar is a company known for high performance photovoltaic products. In particular, the company specializes in the manufacture of PV cells/modules and wafers. The products are reliable, efficient and cost-effective, making them a popular choice for commercial and industrial solar installations around the world.
  • Is JA Solar a trusted partner for your solar installations?
    The manufacturer offers a 12-year product warranty and 25-year performance warranty on 84.8% of the rated power of its solar modules to provide its customers with sufficient assurances. In addition, Ja Solar has received numerous awards for its high-quality products. Among them, JA Solar has been recognized as a "Top Performer" on the DNV GL/PVEL 2019 PV Module Reliability Scorecard four times.