High-power, versatile, and smart hybrid inverter
The Envy Duo 21 is a 48V hybrid inverter engineered to provide exceptional power output and versatility. It supports up to 25kW of PV input, making it suitable for large residential systems and light commercial sites. Designed for flexibility, it operates in both 240V split-phase and 208V three-phase applications. With the ability to parallel up to 10 units for a combined output of 120kW, the Envy Duo 21 provides a scalable, future-ready platform for growing energy demands. Built-in AC/DC breakers and an integrated rapid shutdown transmitter simplify installation and help ensure code compliance. Remote monitoring and firmware updates further enhance the user experience, giving installers and system owners full visibility and control.
Fortress Power | www.fortresspower.com
Volume: 2026 May/June







