Founded in Pennsylvania in 2016, Fortress Power started by engineering reliable lithium battery storage. Today, they've applied that same expertise to their line of hybrid inverters – powerful, flexible units designed for whole-home backup, off-grid living, and seamless solar integration.
Why trust Fortress Power for an inverter? Simple. They understand how batteries and inverters talk to each other. Their inverters are engineered with low failure rates, full UL certifications, and compatibility with their own battery line (eFlex, eVault MAX) as well as other lithium battery brands.
What makes Fortress Power inverters stand out:
- Whole-home backup and off-grid capable
- Solar PV input with dual MPPTs
- Built-in rapid shutdown for code compliance
- Parallel up to multiple units for expanded power
- VPP ready – earn money supporting the grid
- Remote monitoring via Guardian mobile app
Fortress Power has already helped thousands of customers save millions in energy costs. Their U.S.-based support and industry-leading warranties give you confidence whether you're powering a home or a small business.
Locally owned and operated in Colorado since 2002.
Call us at 1-800-766-7644 to learn which Fortress Power inverter is right for your system.
