Product Description

The Trina Solar Vertex TSM-DEG18MC.20(II) 480W-505W Bifacial Dual Glass Solar Panel is a high-performance monocrystalline photovoltaic module designed for utility-scale, commercial, and industrial solar applications.

Featuring advanced 210mm large-area silicon wafer technology, 1/3-cut cell design, multi-busbar (MBB) technology, and high-density interconnection technology, this Vertex series module delivers up to 505W power output and 21.0% module efficiency, maximizing energy generation while reducing overall system costs.

The module adopts a bifacial dual glass structure, allowing both the front and rear sides to capture sunlight and generate additional electricity. With a rear-side power gain capability, the module can achieve higher energy yield compared with traditional single-sided solar panels, especially in installations with reflective surfaces such as ground-mounted solar farms, commercial rooftops, and solar carports.

Designed with excellent durability and reliability, the Trina Vertex DEG18MC.20(II) solar module provides strong resistance against harsh environmental conditions, including high temperature, humidity, salt mist, and potential induced degradation (PID), making it suitable for long-term photovoltaic projects.

Product Features

1. High Power Output Up to 505W

The Trina Vertex DEG18MC.20(II) series provides a power range from 480W to 505W, achieving up to 21.0% module efficiency.
Advanced cell technology improves sunlight utilization and reduces electrical losses, delivering higher energy output per installed area.

Key Benefits:
Up to 505W maximum power output
Up to 21.0% module efficiency
Higher energy generation per square meter
Reduced BOS (Balance of System) costs
Improved project return on investment

2. Bifacial Dual Glass Technology for Higher Energy Yield

The Vertex DEG18MC.20(II) features a bifacial dual glass design, enabling electricity generation from both the front and rear sides of the module.
The transparent rear glass allows reflected sunlight to reach the backside cells, increasing total energy production.

Advantages:
Higher lifetime energy yield
Better performance on reflective surfaces
Improved durability compared with traditional backsheet modules
Suitable for utility-scale solar projects

The bifacial module can achieve an equivalent power output of up to approximately 540W under rear-side irradiance conditions.

3. Advanced 210mm Silicon Wafer & High Density Interconnect

Technology
The module uses large-area 210mm silicon wafers combined with innovative interconnection technology.

Benefits include:
Reduced internal electrical resistance
Improved current collection
Higher module power output
Better utilization of available sunlight

The optimized cell layout helps minimize energy losses and improves overall module efficiency.

4. Excellent Reliability with Dual Glass Structure

The dual glass design provides enhanced mechanical strength and environmental protection compared with conventional glass-backsheet modules.

Protection Features:
PID resistance
Salt mist resistance
Ammonia resistance
Sand resistance
High temperature resistance
Reduced micro-crack risk

The module is engineered for demanding outdoor environments and long-term photovoltaic operation.

5. Lower Degradation & Longer Service Life

The Trina Vertex DEG18MC.20(II) module delivers stable power generation throughout its lifetime.

Performance advantages:
Lower annual degradation rate
Longer energy production period
Improved lifetime project economics

The product is backed by a 30-year power warranty and a 12-year product workmanship warranty.

Product Specifications

Electrical Characteristics (STC)

Mechanical Characteristics

Operating Parameters