Trina Solar • trina solar vertex tsm deg21c.20-645-665w
trina solar vertex tsm deg21c.20-645-665w 660W660W
Key Features
- High power up to 665W
- - Up to 21.4% module efficiency with high density interconnect technology
- - Multi-busbar technology for better light trapping effect, lower series resistance and improved current collection
- High reliability
- - Resistant to harsh environments such as salt, ammonia, sand, high temperature and high humidity areas
- - Mechanical performance up to 5400 Pa positive load and 2400 Pa negative load
- High energy yield
- - Excellent IAM (Incident Angle Modifier) and low irradiation performance, validated by 3rd party certifications
- - The unique design provides optimized energy production under inter-row shading conditions
- - Lower temperature coefficient (-0.34%) and operating temperature
- - Up to 25% additional power gain from backside depending on albedo
- Bifacial Dual Glass Monocrystalline Module
- High customer value
- - Lower LCOE (Levelized Cost Of Energy), reduced BOS (Balance Of System) cost, shorter payback time
- - Lowest guaranteed first year and annual degradation
- - Designed for compatibility with existing mainstream system components
Trina Solar 660W Panels: What Your System Looks Like
Based on a standard 10kW residential installation
Electrical Data (STC)
Mechanical Data
Temperature Ratings
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Will These Panels Fit Your Roof?
Don’t guess your solar potential. Our Roof Layout Designer uses the exact dimensions of the Trina Solar 660W (660W modules) to map out your system. Visually plan your array to see exactly how many modules your roof can support based on its specific footprint.
Ideal Use Case
The Trina Solar 660W is designed for specific solar energy applications. This panel is an excellent choice if you:
Don’t guess your solar setup — calculate it first!
Take our Solar Quiz to get a personalized recommendation for panels, inverter, battery capacity, and system size — before you spend money on the wrong setup.
Product FAQ
How many Trina Solar 660W panels do I need for my home?
The number of panels depends on your energy consumption and roof area. At 660W per panel, a typical 10kW residential system requires about 16 modules. Use our Solar Roof Calculator to get a precise layout based on your actual roof dimensions.
What is the efficiency of Trina Solar 660W?
This panel has an efficiency of 21.2%, using Bifacial, TOPCon, HJT, N-type cell technology. Higher efficiency means more electricity per square meter, which is especially valuable when roof space is limited.
Can I get more power from the bifacial Trina Solar 660W?
Yes. Since this is a Bifacial module, it can capture sunlight from both sides. Depending on the reflectivity (albedo) of your roof surface, you can see a gain of 5% to 25% in total energy yield.
What are the dimensions of the Trina Solar 660W?
The module dimensions are 2384mm × 1303mm × 35mm. Always account for these measurements plus fire setbacks and mounting clearances when planning your solar layout.
Is Trina Solar 660W compatible with standard inverters?
Yes, these panels work with most string and hybrid inverters. However, you must check the Voc (Open Circuit Voltage) and Imp (Current at Max Power) against your inverter's MPPT specs.
What warranty does the Trina Solar 660W come with?
This panel includes a 12-year product warranty from Trina Solar. Solar panels typically degrade about 0.4–0.5% per year, meaning this module should retain over 87% of its original output after 30 years.
