Product Description

JA Solar JAM72S10 400-420W MBB Half-Cell Solar Panel

JA Solar JAM72S10 400-420W solar panel is a high-performance monocrystalline PERC half-cell module designed for commercial, industrial, and utility-scale photovoltaic applications. Featuring advanced Multi-Busbar (MBB) cell technology and half-cell architecture, this module delivers higher power output, improved energy yield, and enhanced long-term reliability.

With a power range from 400W to 420W and module efficiency up to 20.9%, the JAM72S10 series provides excellent conversion performance for large-scale solar installations. The optimized half-cell design reduces internal current losses, improves temperature performance, lowers hot spot risk, and enhances energy generation under partial shading conditions.

The JA Solar JAM72S10 module integrates high-efficiency mono PERC cells, advanced encapsulation technology, and a robust aluminum alloy frame to ensure stable operation in challenging outdoor environments. With excellent mechanical loading capability and proven reliability, it is an ideal choice for commercial rooftops, industrial PV systems, and utility solar farms.

Product Features

1. High Efficiency MBB Mono PERC Technology

The JAM72S10 series adopts Multi-Busbar (MBB) mono PERC cell technology, improving current collection efficiency and reducing electrical resistance.
Key advantages:

• Higher module conversion efficiency
• Improved light utilization
• Lower internal electrical losses
• Enhanced reliability and durability

The module achieves up to 20.9% efficiency, maximizing solar energy production within limited installation areas.

2. Advanced Half-Cell Design
The half-cell structure divides standard solar cells into smaller sections, reducing current flow distance and minimizing resistive losses.

Benefits:

• Higher output power
• Lower operating temperature
• Reduced mismatch losses
• Better partial shading performance
• Lower hot spot risk

Compared with traditional full-cell modules, half-cell technology improves overall system energy yield and reliability.

3. Higher Power Output & Lower LCOE

With power ratings from 400W to 420W, JAM72S10 provides higher energy generation capability, helping reduce balance-of-system costs and overall electricity generation costs.

Advantages:

• More watts per module
• Fewer modules required for the same system capacity
• Reduced installation and maintenance costs
• Improved project return on investment

4. Excellent Temperature Performance

The optimized electrical design allows the module to maintain stable performance in hot climates.

Temperature coefficients:

• Pmax: -0.350%/℃
• Voc: -0.272%/℃
• Isc: +0.044%/℃

Operating temperature:

• -40℃ to +85℃

This ensures reliable power generation in high-temperature environments.

5. Strong Mechanical Reliability

JAM72S10 modules are designed for demanding outdoor applications with excellent mechanical strength.

Mechanical performance:

• Front load: 5400Pa
• Rear load: 2400Pa
• Maximum system voltage: 1000V/1500V DC
• Junction box protection: IP68

The durable structure provides reliable performance against wind, snow, and harsh environmental conditions.

6. Long-Term Performance Warranty

JA Solar provides comprehensive warranty protection:

• 12-year product warranty
• 25-year linear power output warranty

The module maintains excellent long-term performance with low annual degradation, ensuring stable energy production throughout its service life.

Technical Specifications

Electrical Characteristics (STC)

Mechanical Specifications