Fortress Power Envy Duo 21 Inverter

Overview

The Fortress Power Envy Duo 21 is a powerful 48V hybrid inverter designed for demanding residential and light commercial energy needs. It supports both 240V split-phase and 208V three-phase applications, offering a maximum PV input of 25kW and delivering 12kW of continuous output power. With peak outputs of 16kW (240V) and 13.8kW (208V), it seamlessly integrates with Fortress Power's 48V battery systems.

This versatile inverter features integrated AC/DC breakers, a rapid shutdown transmitter, and parallel scalability up to 120kW, making it an adaptable and future-ready solution for various energy storage configurations.

Key Features

• High PV input capacity (up to 25kW) ideal for large solar arrays.
• Dual-phase compatibility (240V split-phase and 208V three-phase).
• Parallel up to 10 units for 120kW total output.
• Integrated safety features including AC/DC breakers and rapid shutdown.
• Supports whole-home or light commercial backup power.

Applications

The Envy Duo 21 is suitable for a range of applications including:

• Backup Power
• Time-of-Use
• Net Metering
• Off-Grid
• Virtual Power Plant
• Smart Load
• Zero Export
• Peak Shaving
• Microgrid

Technical Specifications

Explore the detailed technical data for the Envy Duo 21, including PV output, AC grid output, backup output, efficiency ratings, and battery compatibility. For comprehensive details, refer to the official Fortress Power Envy Duo 21 Datasheet.