Sunpal Polycrystalline Solar Panel

Sunpal’s polycrystalline solar panels are designed for cost-effective solar energy solutions, particularly in regions where space is not a limiting factor. While polycrystalline technology is less efficient than monocrystalline, it remains a viable option for budget-conscious residential and commercial installations.

Sunpal Polycrystalline Solar Panels – Overview

Technology & Design

• Cell Type: Polycrystalline silicon
• Cell Configuration: Typically 60 or 72 cells per module
• Power Output Range: 260W to 330W
• Efficiency: Around 15% to 17%
• Glass: 3.2 mm tempered glass with anti-reflective coating
• Frame: Anodized aluminum alloy for corrosion resistance

Performance Specs

• Voltage at Max Power (Vmp): ~30V to 38V
• Current at Max Power (Imp): ~8A to 9A
• Open Circuit Voltage (Voc): ~37V to 46V
• Short Circuit Current (Isc): ~8.5A to 9.5A
• Temperature Coefficient (Pmax): ~-0.41%/°C
• Operating Temperature: -40°C to +85°C

Durability & Warranty

• Wind Load: Up to 2400 Pa
• Snow Load: Up to 5400 Pa
• Product Warranty: 10–12 years
• Performance Warranty: 25 years
  • First-year degradation: ≤2.5%
  • Annual degradation: ~0.7%
  • Output after 25 years: ~80%

Ideal Applications

• Off-grid systems
• Rural electrification
• Budget-friendly residential and commercial projects
• Ground-mounted solar farms where space is abundant

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