Product Description

JA Solar JAM54S31 380-405W Half Cell Full Black Solar Panel

The JA Solar JAM54S31 380-405W Half Cell Black Module is a high-performance residential solar panel designed for rooftop photovoltaic systems, home energy solutions, and small commercial PV installations. Based on JA Solar’s advanced DeepBlue 3.0 Light technology, this module combines MBB (Multi Busbar) cell technology, half-cell architecture, and high-efficiency monocrystalline PERC cells to achieve reliable power generation with an elegant all-black appearance.

With a power range from 380W to 405W and module efficiency up to 20.7%, the JAM54S31 series delivers excellent energy output while maintaining a compact size suitable for residential rooftops where installation space is limited. The half-cut cell design reduces internal electrical losses and improves performance under partial shading conditions, making it an ideal choice for modern home solar systems.

Featuring a durable construction with 108 half-cut monocrystalline cells, IP68 waterproof junction box, and strong mechanical load resistance, the JA Solar JAM54S31 module provides long-term stability in various environmental conditions. It is compatible with mainstream residential inverters and energy storage systems, helping homeowners maximize solar energy savings.

Product Features

1. High Efficiency MBB Half-Cell Technology

Equipped with advanced Multi Busbar (MBB) technology and 108 half-cut solar cells, the module improves current collection efficiency, reduces power loss, and increases overall energy yield.

• 380W-405W power output range
• Up to 20.7% module efficiency
• Improved low-light performance
• Reduced internal resistance losses

2. Half-Cell Design for Higher Energy Output

The half-cell structure divides traditional cells into smaller units, reducing electrical losses and enhancing module reliability.

Benefits include:

• Lower operating current
• Reduced hotspot risk
• Better performance under partial shading
• Higher energy generation throughout the day

3. Full Black Aesthetic Design for Residential Rooftops

The black module design provides a modern and premium appearance, making it especially suitable for:

• Residential houses
• Villas
• Architectural rooftop projects
• Premium solar installations

The all-black appearance allows the solar system to integrate naturally with different roof styles.

4. Reliable Performance in Harsh Environments

Built with high-quality materials and strict manufacturing standards, the JAM54S31 series provides excellent durability.
Key advantages:

• Operating temperature: -40°C to +85°C
• Maximum system voltage: 1500V DC
• Front load resistance: 3600Pa
• Rear load resistance: 1600Pa
• IP68 rated junction box

5. Optimized for Residential Solar Systems

The compact module size and balanced electrical parameters make JAM54S31 panels suitable for home PV applications.

Recommended applications:

• Residential rooftop solar systems
• Solar + battery storage systems
• Small commercial buildings
• Distributed photovoltaic projects

Technical Specifications

Electrical Characteristics (STC)

Mechanical Characteristics