The Guardian app is your companion to the Fortress Power Guardian battery monitor. Use the Guardian App to set up your Guardian battery monitor and you’ll be able to keep tabs on your Fortress Power system from your phone.

Whether you installed a Fortress battery system across the country or right in your garage, use the Guardian App to make sure you have the energy you need for your home.
Award-winning Fortress Power tech support is just a tap away. Get technical help from our team of US-based battery experts directly in the app.
If your Fortress battery triggers a fault or runs out of energy, you will get an alert so the problem can get resolved quickly and easily.