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Limited stock

Trina 405W Solar Panel 144 Cell TSM-405-DE15M(II) Clearance

$207.19
$147.99
Save $59.20
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(247 ratings)
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Minimum order – 10 panels

We have changed the number of solar panels to comply with shipping terms. More info

Customer reviews & Questions

Verified buyer reviews
Customer Reviews A1 SolarStore on trustpilot
  • Reviews (247)
  • Questions (1)
paul johnson
12/18/2025
outstanding, powered my rv full time all fall Lightweight easy to handle solo almost
robert
05/15/2025
works good. mounted on garage facing south. App shows steady 400w peaks. frame feels sturdy against wind.
LUIS RODRIGUEZ
03/10/2025
Good panels. Installed easy with my buddy. Output matches specs so far. Wish it was bifacial but hey for the money its great
Bexley
02/25/2025
Put 8 of these on my roof last month. Producing like crazy even with some clouds. Solid build love the clearance price!
jagger
07/02/2025
how much does one weigh
A1 SolarStore
Around 48.5 lbs—light enough for two people to handle during install.

Specification

Rated Power Output 405 W
Voltage (VOC)49.2 V
Maximum String Voltage 1500 V
Number of cells144
TechnologyPERC
Cell TypeMonocrystalline
Rated Efficiency20.2%
Connector TypeTS4
Frame Colorsilver
Dimensions LxWxH79.33 x 39.21 x 1.38 in
Weight48.5 lbs
ManufacturerTrina Solar
Manufacturer Part #TSM-405-DE15M(II)
Operating Temperatures −40°F to +185°F
Scope of Application
  • Solar Panels for Boats
  • Solar Panels for Home
  • Solar Panels for RV
Use
  • Commercial
  • Grid-Tie
  • Off-Grid
  • Residential
Warranty10-year product warranty and 25-year power warranty

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Attachments

FAQ

How much is shipping and how long is delivery?
Our standard shipping charge is $250 for up to 11 panels and it is increased by $25 for every 4 additional panels. In the event, the product is only available on East or West coast custom quote will be sent to you before the order is processed. Normally, we are able to deliver solar panels within 7 business days.
What is the difference between low price panels and top price panels?
With top tier solar panels, you pay for the brand name, proprietary new technology, higher energy output, and better warranty support.
What are the dimensions of the panel?
Please refer to the product datasheet on the product page. We have a datasheet for every product we sell.
How long is the warranty on the panel?
In general, manufacturers provide a 25 year-long performance warranty and a 10 year-long equipment guarantee. Some manufacturers offer 12-15 years of warranty. More information is available in our warranty support section.
Which panels do you recommend for RV, marine?
We recommend Panasonic and Mission Solar panels for smaller systems as their high energy output and excellent craftsmanship guarantee years of service.
Can this panel be used with a 12v system?
Any of our panels can be used for a 12v system with a properly selected inverter and charge controller.
Can I pick up this panel from your fulfillment center to save on shipping?
Yes, we can set up a pick up at a local distributor. Please call to discuss options and stock availability.
How do I connect these panels?
To achieve the best system efficiency, panels should be connected in series to create higher voltage.
How many panels do I need?
This number is determined by your average energy needs. Depending on the type of panels and energy consumption, you might need anywhere from 12 to 45 solar panels. Remember, the more panels you install the more energy you will get.Please use our solar calculator to estimate your energy consumption and plan on building a solar system that will exceed your energy needs by 25%.
How do I build a solar system?
Please use our solar calculator to estimate what equipment you need. Choose your panels, microinverters, inverters, and solar batteries if necessary.Please note that we do not offer solar system design or installation.
How do solar panels compare?
Solar panels differ by power output, voltage, connection type, size, efficiency, and weight. Some solar panels might be sold together with microinverters as a set.
Can I build a solar system by myself as a Do It Yourself project?
Yes, it is possible if you understand what solar equipment you need and how to connect it together. However, please be mindful that handling your own electrical work without having proper experience might cause life-threatening injuries. Please contact a certified electrician if you do not possess appropriate electrical skills.
Can I connect and charge my solar panel battery directly with the solar panel?
We do not recommend using the solar panel without the charge controller. Using solar panels without the charge controller might damage the batteries.
Can I drill holes into the aluminum frame for mounting?
We do not recommend drilling any new holes to the aluminum frame of the panel as it could damage the internal circuit and solar cells. (Also, any modification to the panel will void the warranty). We recommend only using the pre-drilled holes for mounting.
Do solar panels require maintenance? Can I wash my solar panel?
Solar panels generally require very little maintenance. We recommend cleaning the solar panel with water, glass cleaner (Windex) and microfiber cloth.
Will my panel produce power in an overcast condition?
While solar panels require sunlight to generate solar energy, they will still work in cloudy weather. Even on a cloudy day, solar panels will produce energy just not as much.
Will my panels produce power if covered with snow?
Solar panels cannot produce electricity if covered with snow.
What is the best direction for a solar panel to face?
The best direction for a solar panel to face is the South

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About product

TSM-405-DE15M(II) is a model that leverages multiple technologies to deliver durability and performance at the next level. The Passivated Emitter Rear Contact (PERC) technology ensures excellent power output. This solar cell type employs an additional reflective layer to absorb more sunlight.

Half-cut cell technology adds a few more percentage points to overall performance, making this model a great example of efficiency. Trina Solar made solar cells in TSM-405-DE15M(II) two times smaller than the standard size, thus reducing power loss and improving low-light behavior. The efficiency of this model reaches 20.2% — well above the market’s average. Trina Solar provides 10 years of product warranty and guarantees that after 25 years, performance will be at 83.10% or more.

  • 405 W power output
  • 144 half-cut PERC cells
  • 20.2% efficiency
  • 1500 V DC maximum system voltage
  • TS4 connectors
  • 10-year product warranty and 25-year power warranty

Increased efficiency of up to 20.2%

TSM-405-DE15M(II) ensures maximum power production. 20.2 percent module efficiency is achieved using PERC technology and a powerful antireflective coating. This is much greater than the norm, resulting in significant additional savings throughout the years of operation.

Heat-resistant performance

The heat is less of a threat with this module: with one of the lowest temperature coefficients in the industry, TSM-405-DE15M(II) loses just -0.36% of efficiency for every 1.8°F above 77°F.

Quality and reliability

TSM-405-DE15M(II) undergoes various quality checks during the production process and is subjected to serious quality and reliability testing. Manufacturing facilities are highly automated, removing the possibility of human errors. Trina Solar is committed to quality, safety, and dependability to ensure you get the finest.

Low degradation for increased longevity

In the first year of service, these panels will lose no more than 2.5% of their power output. The average yearly power drop from the second to the 25th year will be no more than 0.6%. After 25 years, the modules will retain more than 83.10% of their initial output.

A panel that can handle hail, wind, and snow

The 1.38" frame made from anodized aluminum alloy and a layer of protective tempered glass make this module resistant to the foulest of weather. The front side of the modules can resist a 5400 Pa load, and the back side 2400 Pa.

Size

79.33" x 39.21" x 1.38"

Weight

48.5 lb

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