JA Solar 440 Wp solar modules - powerful, compact and versatile


The 440 Wp modules from JA Solar are among the most popular solutions for modern PV roof systems. They offer high output power in a limited space, making them ideal for installations where maximum efficiency per square meter is required - whether on residential or commercial roofs.

With their robust construction, reliable energy yields and a strong guarantee, the 440 Wp modules from JA Solar belong to the "top efficiency solar modules " category - and are of particular interest to anyone looking for quality, durability and a good price-performance ratio.

Depending on the version, the modules are also available with bifacial technology and innovative glass-glass technology - perfect for anyone who wants to react flexibly to project requirements.

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Why buy JA Solar 440 Wp modules?

  • Developed for maximum energy generation on small surfaces

  • High efficiency of up to 22.02 %

  • Reliable performance even with low irradiation

  • Tested quality from one of the world's leading manufacturers

  • Ideal for commercial and private PV use

The most important advantages at a glance:

  • 440 watt module output - more yield per square meter

  • Half-cell technology (M10) - reduces power losses and increases efficiency

  • Robust construction - snow load up to 5400 Pa, wind load up to 2400 Pa

  • 25-year performance guarantee - low annual degradation of just 0.55%

  • Flexible use - suitable for residential buildings, commercial roofs and rooftop systems of any size

Areas of application: Where the 440 Wp modules excel


These modules are particularly suitable for

  • Single-family homes and terraced houses with limited space

  • Commercial roofs where high power density is required

  • Compact PV projects where installers value high-quality modules with a high Wp value

Technology behind the JA Solar modules with 440 Wp


The modules are based on proven monocrystalline PERC technology, supplemented by

  • M10 half cells for optimized current conduction

  • Multi-busbar design that reduces internal resistance

  • High-quality glass-foil construction for a long service life and reliable yields

This technology ensures consistent performance - even in fluctuating light conditions or partial shading.

JA Solar - global manufacturer for reliable photovoltaic solutions


JA Solar
is one of the world's most established suppliers of solar modules. The company stands for:
  • High quality standards and tested product series

  • International bankability for large-scale and roof systems

  • Broad product range for residential, commercial and large-scale projects

Discover more technologies from JA Solar


In addition to the 440 Wp modules, you will find other innovative solutions at JA Solar: