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400 watt solar panels

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Trina 400W Solar Panels 144 ½ Cell Multi-BB Mono TSM-400-DE15H(II) - A1 Solar Store 28% Off
Cell number 144 cell
DC/Charger Volt Compatible 12v, 24v, 48v
Price per Watt $0.54
Rated Power Output 400 W
Voltage (VOC) 47.4V
Cell Type Monocrystalline

Complete guide on solar systems

Learn how solar panels works and choose the one that suits your needs best

400 Watt solar panels

In this article, you will find the essential specifications of our most powerful and efficient 400 Watt solar panels. With the help of these highly productive modules, solar power can be collected anywhere in the world for many years and without any harm to the environment.

Advantages of 400 Watt solar panels

  • Excellent power output even in low light conditions.
  • Better efficiency thanks to half-cut cell configuration.
  • High efficiency at high temperatures.
  • Very-cost effective and price competitive.
  • Require fewer panels due to increased energy generation.
  • Reduced installation cost since requiring fewer panels.
  • Increased durability thanks to smaller cell size and therefore reduced probability of microcracking.
  • Low degradation rate.

The average price of 400 Watt panels

Our online store offers a few models of 400 Watt solar panels in the price range from $230 to $280.

Sizes of 400 Watt panels

Our 400 Watt solar panels have 144 half-cut solar cells with measurements similar to 72 cell solar panels. The dimensions of an average 400 Watt solar panel are about 79” X 39” X 1.4”. The solar panels we currently offer weigh between 48 and 50 lbs.

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Frequently asked questions

Our standard shipping charge is $175 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.

With top tier solar panels, you pay for the brand name, proprietary new technology, higher energy output, and better warranty support.

Please refer to the product datasheet on the product page. We have a datasheet for every product we sell.

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.

We recommend Panasonic and Mission Solar panels for smaller systems as their high energy output and excellent craftsmanship guarantee years of service.

Any of our panels can be used for a 12v system with a properly selected inverter and charge controller.

Yes, we can set up a pick up at a local distributor. Please call to discuss options and stock availability.

To achieve the best system efficiency, panels should be connected in series to create higher voltage.

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