JA Solar 545W Bifacial Double Glass Solar Panel

The JA Solar 545W Bifacial Double Glass Solar Panel is a premium high-output module designed for large-scale, commercial, and residential solar projects. Built with n-type monocrystalline cells and advanced bifacial double-glass technology, this panel captures sunlight from both the front and rear sides, delivering increased energy yield and higher efficiency over its lifetime.

With a rated maximum output of 545W and module efficiency above 21%, this panel ensures reliable, long-term performance. Its dual-glass design enhances mechanical strength, resists harsh environmental conditions, and reduces microcracking for superior durability.

Key Benefits

• High Efficiency: Up to 545W power output with excellent conversion efficiency.

• Bifacial Design: Generates power from both front and rear sides for greater energy yield.

• Durability: Double-glass structure improves resistance to environmental stress.

• Long-Term Reliability: Lower annual degradation rate ensures sustained performance.

• Enhanced Performance: Half-cell layout reduces shading losses and increases energy output.

• Trusted Warranty: Backed by 12-year product and 30-year linear performance warranties.

Technical Specifications

Electrical Parameters (STC – 1000 W/m², 25°C)

• Rated Maximum Power (Pmax): 545W

• Module Efficiency: ~21%

• Open Circuit Voltage (Voc): ~49V

• Voltage at Max Power (Vmp): ~41V

• Short Circuit Current (Isc): ~13.7A

• Current at Max Power (Imp): ~13.3A

• Power Tolerance: 0 ~ +5%

• Temperature Coefficient (Pmax): -0.30%/°C

• NOCT: 45 ± 2°C

Mechanical Data

• Dimensions: 2279 × 1134 × 30 mm (approx.)

• Weight: ~32 kg

• Cell Type: Monocrystalline, Half-Cell

• Cell Count: 144 (6 × 24)

• Glass: 2.0 mm front / 2.0 mm back

• Junction Box: IP68, 3 diodes

• Connector: MC4 compatible

• Cable: 4 mm², 1200–1500 mm

• Fire Safety Class: Class C

Operating Conditions

• Maximum System Voltage: 1500 V DC

• Maximum Series Fuse Rating: 30–35 A

• Static Load (Front): 5400 Pa

• Static Load (Back): 2400 Pa

• Bifaciality Factor: ≥70–80%

Warranty

• 12-Year Product Warranty

• 30-Year Linear Power Output Warranty

  • Year 1 degradation ≤ 1%

  • Annual degradation thereafter ≤ 0.40%

⚡ Important Notice:
All solar modules must be installed by qualified professionals in compliance with local standards and wiring regulations. Incorrect installation may void warranties and compromise safety.