JA Solar 445 Wp modules - premium performance in a compact format

When performance, quality and format come together perfectly: With an efficiency of up to 22.5 %, the 445 Wp modules from JA Solar offer one of the highest outputs in the compact 54-cell class. This makes them the ideal choice for installers who want to achieve maximum yields on a limited area - whether for residential buildings, commercial roofs or small rooftop systems.


The 445 Wp variant is available in the proven JA Solar Deep blue 4.0 Pro series - both stand for high efficiency, robust quality and reliable everyday performance.

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At a glance - What makes the 445 Wp modules special:

  • Up to 22.5 % module efficiency

  • 445 Wp output on a length of just 1.76 m

  • M10 PERC cells with half-cell technology

  • Multi-busbar design (11BB) for low resistance

  • Low temperature coefficient - ideal in hot conditions

  • Tested quality & 25-year performance guarantee

Areas of application


The JA Solar 445 Wp modules are particularly suitable for
  • Single-family homes & terraced houses with limited roof space

  • Commercial PV systems with a focus on high area efficiency

  • Carports, garage roofs & smaller PV projects

Technical highlights

  • Dimensions: 1,762 × 1,134 × 30 mm

  • Weight: 22 kg

  • Snow load: up to 5400 Pa

  • Wind load: up to 2400 Pa

  • Junction box: IP68, 3 bypass diodes

  • EL-tested & IEC-certified

Optionally also available with black frame - for visually sophisticated systems.

Quality from JA Solar


JA Solar is a globally established module manufacturer with high delivery reliability and above-average product quality. The 445 Wp modules exemplify the technical maturity and reliability that many installers want today.

Discover more technologies from JA Solar

On Solartraders you will find the right JA Solar module for every project - clearly arranged, comparable and directly available.