Thornova 440W (31pcs pallet) Tangra S Black N-Type Bifacial Solar Panel TS-BBT54(440)

The TS-BBT54(440) from Thornova Solar’s Tangra S Black series is a high-efficiency N-type monocrystalline bifacial module delivering up to 440W of output power. Designed with 108 half-cut M10 cells and single-glass bifacial technology, this module offers enhanced rear-side energy gain, ultra-low degradation, and industry-leading thermal performance. 

Key Technology

• N-Type Cell Technology
  Naturally resistant to LID (Light Induced Degradation), delivering improved long-term performance compared to P-type modules.

• Bifacial Single-Glass Design
  Up to 80% ±10% bifaciality allows harvesting of up to 30% additional rear-side energy depending on installation conditions. 

• Ultra-Low Degradation
  1% first-year degradation, followed by only 0.40% annual degradation, ensuring 87.4% output at year 30. 

• Excellent Thermal Performance
  Low Pmax temperature coefficient of -0.29%/°K for improved performance in hot climates. 

• Enhanced Reliability
  100% triple EL testing reduces hidden crack rate; certified for 5400 Pa front and 2400 Pa rear mechanical loads. 

Best Uses

• Residential Rooftop Installations
  All-black aesthetic and compact 108-cell footprint ideal for premium home systems.

• Ground-Mount & Reflective Surfaces
  Bifacial design increases production when installed over high-albedo surfaces.

Warranty

• Product Warranty: 25 Years 
• Performance Warranty: 30-Year Linear Power Guarantee
• First-Year Degradation: 1%
• Annual Degradation: 0.40%
• Power at Year 30: 87.4%

Product Specifications (TS-BBT54(440))

Premium 440W N-Type Bifacial Module with All-Black Aesthetic

The TS-BBT54(440) combines strong 22.5% efficiency, bifacial energy gain potential, and low long-term degradation in a sleek all-black design. Ideal for residential installations seeking high performance, reliability, and premium appearance.

Why Buy From US Solar Supplier

US Solar Supplier is an American-founded company based in Kentucky dedicated to offering top-quality solar components from trusted manufacturers. We provide competitive pricing, dependable inventory, and products backed by warranties you can trust.

Our inventory is updated daily with the latest solar technologies, and our experienced team is ready to assist with product selection, system design, and installation guidance.

Need Assistance?

Have questions before you order? Call 1-800-230-7004 to speak with our knowledgeable support team. We’re here to help with product details, compatibility questions, or purchasing support.