High-Efficiency Bifacial Dual-Glass Solar Module (540–560W)

Additional Value

This high-performance bifacial solar module is designed for utility-scale and commercial PV systems, offering excellent durability, high power output, and long-term reliability.

Mechanical Parameters

• Cell Configuration: 144 cells (6 × 24)

• Junction Box: IP68, 3 bypass diodes

• Output Cable: 4mm², +400mm / -200mm (customizable up to ±1400mm)

• Glass: Dual glass, 2.0 + 2.0 mm heat-strengthened glass

• Frame: Anodized aluminum alloy

• Weight: 31.8 kg

• Dimensions: 2278 × 1134 × 30 mm

• Packaging:

• 36 pcs per pallet

• 180 pcs per 20’ GP container

• 720 pcs per 40’ HQ container

Electrical Characteristics

Module Types: LR5-72HBD-540M / 545M / 550M / 555M / 560M

Test Conditions:

• STC: AM1.5, 1000W/m², 25°C

• NOCT: AM1.5, 800W/m², 20°C, wind speed 1m/s

• Measurement uncertainty of Pmax: ±3%

Performance Data (STC / NOCT)

• Maximum Power (Pmax): 540–560 W / 403.6–418.6 W

• Open Circuit Voltage (Voc): 49.50–50.10 V / 46.54–47.11 V

• Short Circuit Current (Isc): 13.85–14.10 A / 11.17–11.38 A

• Voltage at Max Power (Vmp): 41.65–42.25 V / 38.86–39.42 V

• Current at Max Power (Imp): 12.97–13.26 A / 10.39–10.62 A

• Module Efficiency: 20.9% – 21.7%

Bifacial Power Gain (Reference: 550W Front Side)

• 5% gain → 578 W

• 10% gain → 605 W

• 15% gain → 633 W

• 20% gain → 660 W

• 25% gain → 688 W

Operating Conditions

• Operating Temperature: -40°C to +85°C

• Power Output Tolerance: 0 ~ +3%

• Maximum System Voltage: DC 1500V (IEC/UL)

• Maximum Series Fuse Rating: 30A

• Nominal Operating Cell Temperature (NOCT): 45 ± 2°C

• Protection Class: Class II

• Bifaciality Factor: 70 ± 5%

• Fire Rating: UL Type 29 / IEC Class C

Mechanical Loading

• Front Side Maximum Static Load: 5400 Pa

• Rear Side Maximum Static Load: 2400 Pa

• Hail Test: 25 mm hailstone at 23 m/s

Temperature Coefficients (STC)

• Isc: +0.050% / °C

• Voc: -0.265% / °C

• Pmax: -0.340% / °C