Sunpro Power 550W (Pallet of 31) PERC Bifacial SPDG550-144M10

Compatible MC4-0.2m & 0.4m cable

The SUNPRO SPDG550-144M10 is a high-power 550W bifacial solar module designed for commercial and utility-scale installations. Featuring 144 half-cut mono-crystalline cells in a durable dual-glass construction, this module delivers strong performance, excellent reliability, and enhanced energy yield through rear-side power generation. With a silver frame, white mesh back glass, and robust mechanical load ratings, it is built for long-term, high-output operation in demanding environments. 

Key Technology

• Bifacial Dual-Glass Design
  Captures energy from both the front and rear sides of the module, increasing total energy yield compared to monofacial panels.

• 144 Half-Cell Architecture
  Reduces resistive losses and improves performance under partial shading while enhancing overall module reliability. 

• High Power Output
  Delivers up to 550W with module efficiency up to 21.86%, making it ideal for space-optimized, high-capacity PV systems. 

• Robust Mechanical Strength
  Rated for up to 5400 Pa snow load and 2400 Pa wind load for dependable performance in harsh environments. 

Best Uses

• Commercial & Utility-Scale Solar Plants
  High wattage and bifacial gain make it ideal for large ground-mount and utility PV projects. 

• High-Efficiency Ground Mount Systems
  Bifacial design performs best in elevated or reflective-surface installations.

• Long-Term Energy Projects
  Designed for projects that demand long service life, stable performance, and strong warranties. 

Installation Notes

• Maximum system voltage: 1500 VDC; maximum series fuse rating: 30A.

• Use mounting hardware suitable for dual-glass bifacial modules and follow SUNPRO installation guidelines.

• Operating temperature range: -40°C to +85°C. 

Warranty

The SUNPRO SPDG550-144M10 is backed by a 15-year product (quality) warranty and a 30-year linear power warranty, ensuring long-term reliability and stable energy output over the life of the system. 

Product Specifications

High-Power Bifacial Performance for Large-Scale Solar

The SUNPRO SPDG550-144M10 combines high wattage output, bifacial energy gain, and a robust dual-glass design with long-term warranties—making it an excellent choice for commercial and utility-scale solar projects focused on maximizing lifetime energy production and return on investment. 

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.