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Full Technical Support
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25 Year Warranty
The FLEXmax 100 is the latest innovation in Maximum Power Point Tracking (MPPT) charge controllers from OutBack Power.
The advanced FM100 MPPT algorithm offers increased energy harvest from the PV array than other MPPT controllers. The FLEXmax 100 delivers both higher voltage and higher power, offering improved flexibility and performance.
OutBack network communications and OPTICS RE compatibility allows the FLEXmax 100 to be remotely programmed, monitored and controlled via any internet connected device providing unrivalled system integration.
The FM100-300VDC is a top-of-the-line high performance, efficient and versatile charge controller for your advanced power system.

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We'll custom design this system for you and calculate how many solar panels you need to meet your goals.
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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.
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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.