The 505W Dual Glass Solar Panel delivers exceptional power output and long-term reliability, making it an ideal solution for commercial, industrial, and large-scale residential solar installations across the UK.

Built on the advanced 210mm innovation platform and powered by patented i-TOPCon cell technology, this module achieves up to 22.7% efficiency, combining cutting-edge engineering with outstanding durability and performance.

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Advanced Technology & Performance

Patented i-TOPCon Cell Technology

This panel features i-TOPCon technology with continuous efficiency enhancements, including reduced contact resistance, improved rear reflection, and refined edge quality. These innovations ensure consistently high energy output over the module’s lifespan.

High Power Output for Maximum Generation

With a peak output of 505W, this panel is designed to maximise generation per square metre, reducing balance-of-system costs and increasing overall project profitability.

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Superior Reliability & Build Quality

Dual Glass Design for Enhanced Durability

The dual-glass construction makes the panel less prone to micro-cracks and backsheet scratches during transport and installation, significantly improving long-term reliability compared to traditional single-glass modules.

Built for Harsh Environments

Engineered for demanding conditions, this module performs reliably in:

• Coastal and salt mist environments

• High ammonia areas (agricultural use)

• Sandy and dusty regions

• High temperature and high humidity locations

It also offers excellent fire resistance, weather durability, and corrosion protection.

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Mechanical Strength & Safety

Exceptional Load Resistance

Designed for structural resilience, the panel supports:

• 5400 Pa positive load (snow)

• 2400 Pa negative load (wind)

This makes it suitable for both rooftop and ground-mounted systems in exposed UK locations.

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High Energy Yield in All Conditions

Excellent Low Light Performance

Independently validated by third parties, the panel delivers strong output even under low irradiation, ensuring higher daily and annual energy yields.

Industry-Leading Temperature Performance

With a low temperature coefficient of -0.29%/°C, power losses in high temperatures are minimised, ensuring stable operation and improved summer performance.

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Electrical Specifications

Power & Voltage

• Peak Power: 505W

• Vmpp: 33.5V

• Voc: 40.3V

Current

• Impp: 15.09A

• Isc: 15.89A

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System & Physical Details

Dimensions & Weight

• Dimensions: 1961 × 1134 × 30 mm

• Weight: 23.5 kg

Warranty & Certifications

• Product Warranty: 15 Years

• Performance Warranty: 30 Years

• Module Efficiency: 22.7%

Logistics

• Product Code: TSM-505NEG18R.25

• Panels per Pallet: 36

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Why Choose This 505W Dual Glass Solar Panel?

✔ Ultra-high efficiency for reduced space usage
✔ Durable dual-glass design for long-term reliability
✔ Excellent performance in low light and high temperatures
✔ Suitable for harsh and coastal environments
✔ Industry-leading warranties for peace of mind
✔ Ideal for commercial, industrial and premium residential projects