JA Solar 555W Monocrystalline Solar Panel – JAM72S30-555MR
High-Efficiency Utility & Commercial Solar Module
The JA Solar 555W Monocrystalline Solar Panel (JAM72S30-555MR) is a premium, high-power photovoltaic module engineered for maximum energy yield, long-term reliability, and lower cost of ownership. Designed using advanced 11-busbar (11BB) PERC half-cell technology, this panel delivers superior performance in both residential and large-scale commercial solar installations.
With its half-cell architecture, the panel reduces internal resistance, minimizes power loss, and improves output under partial shading conditions—making it ideal for rooftops, ground-mount systems, and utility-scale solar farms.
Why Choose the JA Solar 555W Panel?
JA Solar is a globally trusted Tier-1 manufacturer, known for high-quality engineering and consistent performance. The 555W JAM72S30-555MR module is specifically designed to maximize energy production while reducing installation and balance-of-system costs.
Key Advantages
High Power Output (555W): Fewer panels required for the same system size
Lower LCOE: Optimized design reduces the levelized cost of energy
Advanced PERC Half-Cell Technology: Improved efficiency and reduced power losses
Excellent Low-Light Performance: Higher energy yield during mornings, evenings, and cloudy conditions
Reduced Shading Impact: Half-cell design limits power loss when partially shaded
Enhanced Mechanical Strength: Built to withstand demanding environmental conditions
High Module Efficiency: Up to 21.5% efficiency for maximum space utilization
Technical Specifications
| Specification | Value |
|---|---|
| Model | JAM72S30-555MR |
| Cell Type | Monocrystalline |
| Cell Configuration | 144 Half-Cells |
| Rated Maximum Power (Pmax) | 555W |
| Module Efficiency | 21.5% |
| Open Circuit Voltage (Voc) | 50.02V |
| Maximum Power Voltage (Vmp) | 42.11V |
| Short Circuit Current (Isc) | 14.07A |
| Maximum Power Current (Imp) | 13.18A |
| Junction Box | IP68, 3 bypass diodes |
| Connector Type | MC4-EVO2 / QC 4.10-35 |
| Dimensions | 2278 × 1134 × 35 mm |
| Weight | 28.1 kg |
Built for Durability & Long-Term Performance
The JA Solar 555W module is engineered to deliver consistent performance over decades. Its robust construction offers excellent resistance to mechanical stress, wind loads, and harsh environmental conditions—making it suitable for demanding African climates.
The panel’s design ensures:
Reduced micro-cracking risk
Strong resistance to PID (Potential Induced Degradation)
Stable performance throughout its lifespan
Ideal Applications
Residential solar installations
Commercial and industrial rooftops
Ground-mounted solar plants
Utility-scale solar projects
Hybrid and grid-tied systems







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