Home Backup Without the Hassle – Easy, Scalable, and Built for DIY

Fortress Power makes it simple to install your own energy storage system—no installer required.

Engineered for DIY Installation

Whether you're powering a homestead, cabin, or modern home, Fortress Power offers storage solutions designed with simplicity in mind. Our systems are modular, compact, and easy to configure — making it possible to take charge of your own setup without the need for a contractor.

Reliable Power, On Your Terms

Protect your home from outages, store excess solar energy, and gain greater energy independence. Fortress Power helps you take control of your power — wherever you live, and however you choose to install it.

Smart Energy Management

Monitor your energy usage, battery performance, and system health with our intuitive tools, specifically the Guardian Monitor and Mobile App — so you always know what’s happening behind the scenes.

Trusted by Professionals. Perfect for DIYers.

Fortress Power systems are known for their durability and performance, backed by long warranties and trusted by installers nationwide — but built so you can do it yourself.

Find Fortress Power systems at these trusted online partners, plus plenty of others...

Or if you'd prefer to work with an installer...

Answer a few quick questions to get personalized recommendations and see what system is best for you.

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Are you a homeowner in the United States?*

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What is your average monthly electricity bill?*

Do you currently have solar panels installed?*

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What are you most interested in? (Check all that apply)*

Reducing my electricity bills

Earning money from excess solar power

Taking advantage of rebates and incentives

Adding battery backup for power outages

Living off grid

A Name You Can Trust

Fortress Power is a leading provider of high-performance energy storage solutions, helping homeowners and businesses achieve energy independence with reliable, scalable battery systems. With industry-leading warranties, U.S.-based support, and a commitment to quality, we deliver the power you can count on—today and for decades to come.