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Full Technical Support
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25 Year Warranty
The UL Listed Phono Solar 400 watt monocrystalline PERC XL solar panel delivers high power output and performance at an attractive low price.
The panel is made up of 144 monocrystalline half-cells on a white backsheet with a silver anodized aluminum alloy frame. Certified for the most challenging environmental conditions, the Phono Solar 400 watt module withstands a 5400 Pa snow load. This high-power monocrystalline solar panel operates at 19.90% efficiency to maximize the light absorption area.

Customize My Box
We'll custom design this system for you and calculate how many solar panels you need to meet your goals.
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Solar Calculator
Use our easy solar panel calculator to get a quick estimate of how many solar panels you’ll need for your home.
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Free Solar Roof Layout
Our engineers use state-of-the-art software to conduct a PV analysis and draft a free layout of solar on your roof, included with our complimentary quote.
Get My Free Layout
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With Solar
We'll help you figure out your solar needs!
Fill out the form for a complimentary solar quote that includes a custom solar panel layout using satellite technology and a breakdown of solar energy production, federal tax credit and energy offset.