Sunpal Monocrystalline Solar Panel

Sunpal’s monocrystalline solar panels are known for their wide range of power outputs, high efficiency, and robust construction. They offer solutions for everything from small-scale residential setups to large commercial and utility-scale projects. Here's a detailed overview of their monocrystalline panel offerings as of 2025:

Sunpal Monocrystalline Solar Panels (2025 Overview)

Cell Technology

• Monocrystalline Silicon: High purity for better efficiency and longevity.
• Half-Cut Cell Design: Reduces power loss and improves shade tolerance.
• Multi-Busbar (MBB) Technology: Enhances current collection and reduces resistance.

Performance & Efficiency

• Power Output Range:
  • Small modules: 20W to 140W
  • Standard residential/commercial: 290W to 460W
  • High-power utility-scale: 500W to 705W
• Efficiency: Up to 22.64% depending on the model and technology (e.g., TOPCon or PERC)
• Temperature Coefficient: Around -0.29%/°C, ensuring good performance in hot climates

Mechanical & Durability Specs

• Glass: 2.0 mm tempered glass (single or double-glass options)
• Frame: Anodized aluminum alloy
• Operating Temp: -40°C to +85°C
• Load Resistance:
  • Wind: 2400 Pa
  • Snow: 5400 Pa
• IP Rating: IP68 junction box

Warranty

• Product Warranty: 25 years
• Performance Warranty: 30 years
  • First-year degradation: ≤1%
  • Annual degradation: ~0.4%
  • Output after 30 years: ≥87.4%

Popular Models

• SP290M–SP460M: PERC monocrystalline, ideal for rooftops
• SP555M–SP705M: TOPCon monocrystalline, high-efficiency for utility-scale
• SP115M–SP140M: Compact modules for off-grid or portable systems