Product Description

The Trina Solar Vertex N TSM-NEG21C.20 695-720W solar panel is a high-power N-type TOPCon bifacial dual glass monocrystalline solar module designed for utility-scale photovoltaic projects, commercial solar installations, and industrial energy systems.

Based on Trina Solar’s advanced 210mm large-format technology platform, the Vertex NEG21C.20 delivers up to 720W maximum power output and 23.2% module efficiency, significantly improving energy density and reducing the number of modules required for large-scale solar projects.

The module integrates N-type i-TOPCon cell technology, multi-busbar technology, high-density interconnection, and bifacial dual glass design to achieve higher conversion efficiency, improved reliability, and increased lifetime energy generation. The rear-side power generation capability allows the module to capture reflected sunlight and generate additional electricity, improving overall system yield.

With excellent temperature performance, strong environmental resistance, and a 30-year linear power warranty, the Trina Vertex N NEG21C.20 provides a reliable solution for reducing LCOE and maximizing long-term solar investment returns.

Product Features

1. Ultra-High Power Output Up to 720W

The Trina Vertex N NEG21C.20 adopts large-format 210mm N-type TOPCon solar cell technology, delivering industry-leading power output for large-scale PV applications.

Key Advantages:

• Maximum power output up to 720W
• Maximum module efficiency up to 23.2%
• 695W / 700W / 705W / 710W / 715W / 720W power options
• Reduced module quantity for the same installed capacity
• Lower installation and BOS costs

The high-power design enables developers to increase system capacity while optimizing land utilization and project economics.

2. Advanced N-Type i-TOPCon Technology

The Vertex NEG21C.20 utilizes Trina Solar’s advanced N-type i-TOPCon cell technology, which improves charge collection efficiency and reduces electrical losses.

Benefits of N-Type TOPCon Technology:

• Higher photovoltaic conversion efficiency
• Lower Light-Induced Degradation (LID)
• Reduced LeTID degradation
• Better low-light performance
• Improved long-term power stability

The optimized TOPCon cell structure helps maintain higher energy output throughout the module lifecycle.

3. Bifacial Dual Glass Design for Higher Energy Yield

The module features a durable bifacial dual glass structure, allowing electricity generation from both front and rear sides.

Advantages:

• Higher total energy generation
• Bifaciality factor: approximately 80% ±5%
• Rear-side power gain up to 10%-20% depending on installation conditions
• Excellent resistance against moisture, UV radiation, and harsh weather

Compared with conventional backsheet modules, dual glass technology provides enhanced durability and improved long-term reliability.

4. Lower BOS Cost and Improved LCOE Performance

The Vertex N NEG21C.20 is optimized for large-scale solar project economics.

System Advantages:

• Higher wattage per module
• Higher DC capacity per string
• Reduced balance of system costs
• Improved container utilization
• Lower transportation cost

The low-voltage, high-power design can reduce BOS and LCOE by approximately 2%-6% compared with conventional module solutions.

5. High Reliability for Harsh Environments

Designed for demanding outdoor applications, the Trina Vertex N NEG21C.20 provides excellent mechanical and environmental durability.

Reliability Features:

• Non-destructive cutting technology reduces micro-cracks
• Half-cell technology reduces hot spot risks
• Excellent PID resistance
• Salt mist resistance
• Ammonia resistance
• Sand and dust resistance
• High humidity resistance

The module is suitable for desert areas, coastal environments, and extreme climate conditions.

6. Excellent Temperature Performance

The module features a low temperature coefficient:

• Temperature coefficient of Pmax: -0.29%/°C

This allows the solar panel to maintain better output performance under high-temperature conditions.

Benefits:

• Higher energy yield in hot climates
• Improved annual electricity production
• Reduced thermal power losses

Technical Specifications