JA Solar 445W Bi-facial

The JA Solar JAM54D41-445/LB (TS) is a high-efficiency bifacial solar module engineered with 108 half-cut monocrystalline cells and dual-glass construction. With a maximum output of 445 Wp and advanced n-type TOPCon cell technology, this module offers excellent performance for residential, commercial, and utility-scale applications, especially in installations where reflected light can be leveraged.

Key Specifications

• Rated Power (Pmax): 445 W
• Efficiency: 22.5%
• Cell: n-type monocrystalline TOPCon
• Dimensions: 1762 × 1134 × 30 mm
• Weight: 24.0 kg
• Glass: 2.0 mm dual heat-strengthened (front & rear)
• Junction Box: IP68, three diodes
• Connectors: EVO2 compatible
• Cable: 350 mm (+) / 250 mm (–)
• Load Rating: 5400 Pa (snow), 2400 Pa (wind)

Performance

• Voc: 41.77 V | Isc: 13.74 A
• Vmpp: 35.01 V | Impp: 12.71 A
• Power Tolerance: 0 / +5 W
• Temp. Coefficient (Pmax): -0.29% / °C
• NMOT: 45 ± 2 °C

Advantages

• Dual-glass for enhanced durability and moisture resistance
• Bifacial design: up to 20% rear-side gain (site dependent)
• Excellent temperature performance and low-light response
• Certified against PID, salt mist, ammonia and sand
• 25-year product / 30-year linear performance warranty

JA Solar JAM54D41 LB 445W
High-efficiency n-type module with very low LID, optimised temperature coefficient and superior low-irradiance response. Offers higher generation, improved LCOE and long-term reliability, making it ideal for bifacial glass-glass projects focused on maximum ROI.

JA Solar 445W Bi-facial – Data Sheet