Product Description

JA Solar JAM54S30 395-420W MBB Half-Cell Solar Panel

JA Solar JAM54S30 395-420W solar panel is a high-efficiency mono PERC half-cell module from the DeepBlue 3.0 Light series, featuring advanced 11BB (11 Busbar) cell technology and optimized half-cell architecture. Designed for residential, commercial, and distributed solar applications, this module delivers excellent power output, improved reliability, and enhanced energy yield throughout its service life.

With a power range of 395W to 420W and module efficiency up to 21.5%, the JAM54S30 series provides superior energy generation performance while maintaining a compact module size. The half-cell structure effectively reduces internal electrical resistance, minimizes power losses, and improves performance under partial shading and high-temperature conditions.

Built with high-quality monocrystalline PERC cells, advanced encapsulation materials, and a durable aluminum frame, JA Solar JAM54S30 modules offer excellent mechanical strength and long-term stability. The module supports a wide range of solar installations, including residential rooftops, commercial buildings, and small-scale ground-mounted PV systems.

Product Features

1. High Efficiency 11BB Mono PERC Technology

The JAM54S30 series adopts advanced 11BB mono PERC cells, improving current collection efficiency and reducing electrical losses.

Key advantages:

• Higher module conversion efficiency
• Improved low-light performance
• Reduced internal resistance
• Better energy generation capability

The series achieves up to 21.5% module efficiency, providing higher power output within limited installation space.

2. Half-Cell Design for Improved Performance

The half-cell configuration divides standard cells into smaller sections, reducing current transmission distance and lowering resistive losses.

Benefits include:

• Higher output power
• Lower operating temperature
• Reduced hot spot risk
• Better performance under partial shading conditions
• Improved system reliability

This design helps maximize solar energy production throughout the day, especially in complex rooftop environments.

3. Optimized Size for Residential & Commercial Applications

With a module dimension of 1722 × 1134 × 30 mm, JAM54S30 provides an ideal balance between efficiency and installation convenience.

Advantages:

• Easier transportation and handling
• Flexible rooftop installation
• Compatible with mainstream residential PV systems
• Reduced installation complexity

4. Excellent Temperature Performance

JA Solar JAM54S30 modules maintain stable power output under high-temperature environments with optimized temperature coefficients.

Temperature coefficient:

• Pmax: -0.350%/℃
• Voc: -0.275%/℃
• Isc: +0.045%/℃

The optimized thermal performance improves annual energy yield in hot climates.

5. Strong Mechanical Reliability

The module is designed to withstand harsh outdoor conditions.

Mechanical performance:

• Front load: 5400Pa
• Rear load: 2400Pa
• Operating temperature: -40℃ to +85℃
• Maximum system voltage: 1000V/1500V DC

The robust structure ensures stable operation in various environmental conditions.

6. Long-Term Warranty & Reliability

JA Solar provides reliable performance assurance:

• 12-year product warranty
• 25-year linear power output warranty
• Annual degradation rate: approximately 0.55%

Certified according to international standards:

• IEC 61215
• IEC 61730
• UL 61215
• UL 61730
• ISO 9001
• ISO 14001
• ISO 45001

Technical Specifications

Electrical Characteristics (STC)

Mechanical Specifications