Astronergy ASTRO 6 645W Twins (Pallet of 31) Bifacial PERC+ Solar Panels CHSM66M(DG)/F-BH-645W

The Astronergy CHSM66M(DG)/F-BH 645W is a high-power bifacial dual-glass solar module engineered for commercial, industrial, and large-scale photovoltaic applications. Built using advanced PERC+, multi-busbar, and half-cut cell technology, this module delivers exceptional energy production, enhanced reliability, and lower balance-of-system costs. Designed with bifacial power generation capabilities, the module captures sunlight from both sides to increase total energy yield and improve project returns.

The ASTRO 6 Twins platform incorporates non-destructive cell cutting technology, PID resistance, and durable dual-glass construction to provide outstanding long-term performance. With up to 20.8% module efficiency, a 15-year product warranty, and a 30-year linear power warranty, the CHSM66M(DG)/F-BH-645W delivers dependable energy production for demanding solar installations.

Key Technology

• PERC+ Cell Technology
  Advanced P-type monocrystalline PERC cells improve light absorption and energy conversion efficiency. 

• Bifacial Energy Generation
  Captures reflected sunlight from the rear side of the module to increase total energy production. 

• Multi-Busbar Design
  Enhances current collection while reducing electrical resistance and power losses.

• Half-Cut Cell Architecture
  Reduces internal losses and improves module performance under real-world operating conditions. 

• Non-Destructive Cell Cutting Technology
  Improves cell reliability and reduces microcrack risk.

• Dual Glass Construction
  2.0mm front and rear glass provide enhanced durability and environmental protection. 

• PID Resistance
  Designed to minimize potential-induced degradation and maintain long-term performance. 

• Lower BOS & LCOE
  High-power output helps reduce balance-of-system costs and overall levelized cost of energy. 

Best Uses

• Residential Rooftop Solar Systems
  Premium all-black appearance and high efficiency make it ideal for homeowners seeking maximum energy production.

• Commercial Solar Installations
  High-output module designed to maximize energy production and project economics.

• Industrial Solar Projects
  Provides dependable long-term performance for large energy users.

• Ground Mount Solar Systems
  Bifacial technology increases energy harvest through rear-side irradiance capture.

• Utility & Large Distributed Generation Projects
  Ideal for projects requiring high-power modules and reduced BOS costs.

Warranty

• Product Warranty: 15 Years 
• Linear Power Warranty: 30 Years 
• First-Year Power Degradation: ≤2.0% 
• Annual Degradation (Years 2-30): ≤0.45% 
• 30-Year Power Output: 84.95% of original rated power

Product Specifications

High-Power Bifacial Performance for Large-Scale Solar Projects

The Astronergy CHSM66M(DG)/F-BH-645W combines bifacial energy generation, dual-glass durability, PERC+ technology, and high-power output to deliver exceptional performance for commercial, industrial, and large-scale photovoltaic installations.

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.