JA Solar JAM54D41-450/LB 450W Full Black N-Type Bifacial Dual Glass Solar Panel

✅ NEW UPGRADE – REPLACES THE 440W MODEL

Why Choose JA Solar Panels?

Introducing the JA Solar JAM54D41-450/LB, the latest upgrade that replaces the older 440W model. This new 450W panel is built with advanced n-type bifacial double glass technology that enhances heat dissipation, minimises hot spots, and ensures greater performance and lifespan.

After 30 years, this panel still delivers 87.4% of its original output – around 385W, offering exceptional efficiency and long-term value.

JA Solar is a global Tier 1 manufacturer, ranked among the world’s leading PV module producers, with full vertical integration and superior quality control.

✅ Large quantities available – contact us for trade pricing and quotes.

Rear Side Output – Bifacial Power Boost

This panel can generate up to 90W from reflected light on its rear side, achieving a peak output of up to 530W. Ideal for residential rooftops, off-grid applications, hybrid systems, and utility-scale solar projects.

Mounting at an angle using a triangular frame allows additional energy absorption from reflected sunlight – increasing overall efficiency.

Premium Cell Technology

• Cell Efficiency: Up to 26%
• High power generation even under low irradiance
• Excellent temperature coefficient ensures efficiency in hot conditions

Certifications & Quality Standards

• IEC 61215 / IEC 61730 – International safety & performance
• UL 61215 / UL 61730 – U.S. compliance
• IEC 62941 – Enhanced reliability in production
• ISO 9001, ISO 14001, ISO 45001
• UL Type 38 / Class C Fire Rating

30-Year Warranty – Built to Last

Backed by a 30-year linear power output warranty, this panel is engineered to perform in the most demanding environments while offering peace of mind and long-term reliability.

Electrical Characteristics (STC)

Parameter	Value
Rated Maximum Power (Pmax)	450 W
Open Circuit Voltage (Voc)	38.90 V
Maximum Power Voltage (Vmp)	32.47 V
Short Circuit Current (Isc)	14.31 A
Maximum Power Current (Imp)	13.86 A
Module Efficiency	22.5%
Power Tolerance	0 ~ +3%
Temp. Coefficient (Isc)	+0.045% /°C
Temp. Coefficient (Voc)	-0.250% /°C
Temp. Coefficient (Pmax)	-0.290% /°C
Standard Test Conditions (STC)	1000 W/m², AM1.5, 25°C

Rear Side Output (10% Irradiation)

Parameter	Value
Rated Maximum Power (Pmax)	475 W
Open Circuit Voltage (Voc)	38.90 V
Maximum Power Voltage (Vmp)	32.47 V
Short Circuit Current (Isc)	15.46 A
Maximum Power Current (Imp)	14.63 A
Irradiation Ratio (Rear/Front)	10%

Mechanical Specifications

Feature	Specification
Cell Type	Mono n-type
Weight	22 kg
Dimensions	1762 × 1134 × 30 mm (±2 mm)
No. of Cells	108 (6 × 18)
Cable Cross Section	4 mm² (IEC) / 12 AWG (UL)
Junction Box	IP68, 3 diodes
Connector	QC 4.10-35 / MC4-EVO2
Cable Length	Portrait: 400 mm / Landscape: 1200 mm
Glass	1.6 mm front + 1.6 mm back