Product Description

Trina Vertex S+ 445W TSM – NEG9RC.27 MBB 415－445W

Trina Solar Vertex S+ TSM-NEG9RC.27 is a high-performance N-type i-TOPCon bifacial dual glass solar module designed for residential rooftops, commercial buildings, and distributed photovoltaic (PV) systems. Featuring advanced N-type cell technology, multi-busbar (MBB) design, and high-density interconnect technology, this module delivers outstanding power output from 415W to 445W with a maximum module efficiency of 22.3%.

The Vertex S+ NEG9RC.27 adopts a compact 1762 × 1134 × 30mm design with a lightweight structure of approximately 21kg, making it easier to transport, handle, and install on various rooftop applications. Its optimized dimensions provide excellent compatibility with mainstream residential inverters, mounting systems, and photovoltaic installation solutions.

Equipped with a transparent dual-glass structure, the module improves durability, fire resistance, and environmental adaptability while enabling bifacial energy generation. The rear side can capture reflected sunlight, increasing overall energy yield in suitable installation environments.

With ultra-low degradation performance, Trina Solar Vertex S+ provides long-term energy reliability with up to 30 years power warranty, making it an ideal choice for homeowners, installers, and commercial solar developers seeking higher efficiency and long-term return on investment.

Product Features

1. High Efficiency Power Output up to 445W

Trina Vertex S+ TSM-NEG9RC.27 delivers excellent power generation performance in a compact module format.

Key Performance:

• Maximum power output: 445W
• Power range: 415W-445W
• Maximum module efficiency: 22.3%
• Positive power tolerance: 0~+5W
• Cell technology: N-type i-TOPCon
• Cell configuration: 144 cells

The higher efficiency module design helps:

• Increase rooftop electricity production
• Reduce installation space requirements
• Improve system energy density
• Lower balance of system (BOS) costs

2. Advanced N-type i-TOPCon Cell Technology

The Vertex S+ NEG9RC.27 utilizes advanced N-type TOPCon solar cell technology, providing improved efficiency and lower degradation compared with conventional P-type modules.

Advantages include:

• Higher conversion efficiency
• Better low-light performance
• Lower temperature coefficient
• Improved long-term energy output
• Enhanced resistance to light-induced degradation (LID)

The optimized N-type cell structure ensures stable performance throughout the photovoltaic system lifecycle.

3. Bifacial Dual Glass Design for Higher Reliability

The Trina Vertex S+ series adopts a bifacial dual glass module structure, replacing traditional backsheet design with a glass rear layer.

Benefits:

• Improved moisture resistance
• Better mechanical durability
• Enhanced fire performance
• Higher resistance to environmental stress
• Reduced risk of backsheet aging

The transparent dual-glass design provides approximately 3.2% transparency, improving module aesthetics and enabling additional rear-side power generation.

Suitable for:

• Residential rooftop solar systems
• Commercial rooftop PV projects
• Carport photovoltaic systems
• High-reflectivity installation environments

4. Multi-Busbar (MBB) Technology

The module integrates advanced MBB technology to improve electrical performance and reliability.

Benefits:

• Shorter current transmission distance
• Reduced electrical losses
• Better current collection capability
• Improved resistance to micro-cracks
• Enhanced module reliability

Combined with high-density interconnect technology, the MBB design allows the module to achieve higher output within a compact footprint.

5. Excellent Performance in Harsh Environments

Designed for long-term outdoor operation, Trina Vertex S+ provides strong environmental adaptability.

The module is resistant to:

• Salt mist corrosion
• Ammonia exposure
• Sand and dust environments
• High temperature and humidity conditions

Mechanical load performance:

• Positive load: 5400 Pa
• Negative load: 4000 Pa

Suitable for coastal areas, industrial rooftops, and demanding climate conditions.

6. Ultra-Low Degradation & Long-Term Warranty

The Vertex S+ NEG9RC.27 provides stable power output throughout its service life.

Warranty:

• Product warranty: 15 years
• Power warranty: 30 years
• First-year degradation: 1%
• Annual degradation: 0.4%
• Guaranteed output after 30 years: 87.4%

This ensures higher lifetime energy generation and improved investment value.

Technical Specifications

Electrical Characteristics (STC)

Mechanical Specifications

Operating Conditions