Ja 640w N Type Double Glass Bifacial Solar Panel

JA Solar JAM72D42-640/LB 640W N-Type Double Glass Bifacial Solar Panel

The JA Solar JAM72D42-640/LB 640W N-Type Double Glass Bifacial Solar Panel is a premium high-efficiency module designed for commercial, industrial, utility-scale, and large residential solar installations. Built with advanced N-Type TOPCon cell technology and a double-glass bifacial design, this module delivers exceptional energy yield, enhanced durability, and outstanding long-term performance.

Featuring 144 half-cut monocrystalline cells, up to 22.9% module efficiency, and the ability to generate additional power from the rear side, the JAM72D42-640/LB helps maximise energy production while lowering the overall Levelized Cost of Energy (LCOE).

Key Features

• 640W Maximum Power Output - High power generation for large-scale solar projects.
• N-Type TOPCon Technology - Higher efficiency, lower degradation, and improved long-term performance.
• Bifacial Double Glass Design - Captures reflected sunlight from both sides for increased energy yield.
• 22.9% Module Efficiency - Excellent conversion efficiency for maximum energy production.
• Lower Temperature Coefficient - Maintains strong performance in high-temperature environments.
• Excellent Low-Light Performance - Delivers reliable energy generation during cloudy and low-irradiance conditions.
• Lower Light-Induced Degradation (LID) - N-Type cells maintain higher output over the module's lifetime.
• Double Glass Construction - Provides superior durability, moisture resistance, and long-term reliability.
• IP68 Junction Box - Enhanced protection against dust and water ingress.
• Suitable for 1500V Systems - Designed for modern high-voltage commercial and utility-scale installations.

Technical Specifications

• Model: JAM72D42-640/LB
• Rated Power: 640W
• Cell Type: N-Type Monocrystalline TOPCon
• Cell Configuration: 144 Half-Cells (6 × 24)
• Module Efficiency: 22.9%
• Open Circuit Voltage (Voc): 52.87V
• Maximum Power Voltage (Vmp): 44.29V
• Short Circuit Current (Isc): 15.31A
• Maximum Power Current (Imp): 14.45A
• Maximum System Voltage: 1500V DC
• Maximum Series Fuse Rating: 30A
• Front/Back Glass: 2.0mm / 2.0mm Tempered Glass
• Junction Box: IP68, 3 Diodes
• Connector: MC4-EVO2A Compatible
• Dimensions: 2465 × 1134 × 30mm
• Weight: 34.6kg
• Operating Temperature: -40 C to +85 C

Ideal Applications

• Commercial solar installations
• Industrial facilities
• Utility-scale solar farms
• Agricultural solar projects
• Ground-mounted systems
• Large residential solar systems

Why Choose the JA Solar JAM72D42-640/LB?

The JA Solar JAM72D42-640/LB 640W combines cutting-edge N-Type TOPCon technology, bifacial energy generation, and a robust double-glass construction to deliver exceptional efficiency, durability, and long-term value. With outstanding low-light performance, minimal degradation, and industry-leading warranties, it is an excellent choice for high-performance solar installations where maximum energy production and reliability are essential.

What's in the box
1 x Solar panel