JUSTSOLAR TOPCon Bifacial Mono Module Solar Panel JST-EAMH-(620-640)W-TD

JUSTSOLAR TOPCon Bifacial Mono Module Solar Panel JST-EAMH-(620-640)W-TD

High-efficiency 640W TOPCon bifacial solar panel with N-type cells, up to 24.5% cell efficiency, -0.30%/°C temperature coefficient. Ideal for utility and commercial projects. FOB pricing available.

Product Description

640W TOPCon Bifacial Solar Panel

The JUST SOLAR JST-EAMH-(620-640)W-TD is a high-efficiency TOPCon bifacial solar module designed for utility-scale, commercial, and industrial applications. Featuring advanced N-type TOPCon cell technology, this module delivers exceptional power output with superior low-light performance and minimal degradation.

Key Specifications

  • Power Range: 620W – 640W
  • Cell Type: N-type TOPCon Bifacial
  • Cell Efficiency: Up to 24.5%
  • Module Efficiency: Up to 22.1%
  • Temperature Coefficient (Pmax): -0.30%/°C
  • Bifaciality Factor: Up to 80%
  • Dimensions: 2384 × 1303 × 35mm
  • Weight: ~34.5 kg
  • Frame: Anodized Aluminum Alloy
  • Glass: 2.0mm Tempered Glass (Front) / 2.0mm Glass (Rear)
  • Junction Box: IP68 Rated
  • Connector: MC4 Compatible

Certifications

IEC 61215, IEC 61730, CE, TUV, MCS

Warranty

  • 12-year product warranty
  • 30-year linear power warranty
  • First year degradation: ≤1%
  • Annual degradation: ≤0.4%

Applications

Ideal for utility-scale ground-mount systems, commercial rooftops, and solar farms. The bifacial design captures reflected light from the ground surface, increasing total energy yield by up to 15-25% compared to monofacial modules.

Related products

geT in touch

JUSTSOLAR GROUP is committed to clean and renewable energy, to explore the road of sustainable development. To protect the earth’s ecology and to care for the well-being of mankind.