Fortress Power Envy 12kW, 3 eFlex, One Guardian Battery Monitoring, One DuraRack Envy12KW3-BMG-Durarack

Fortress Envy 12kW + (3) eFlex 5.4 kWh + DuraRack + Guardian

SKU/MPN: Fortress Envy12KW3-BMG-Durarack • Application: Whole-home backup / grid-tied with storage • Chemistry: LiFePO₄ (48 V)

This Fortress energy system provides a reliable and scalable power solution for modern energy demands. Combining the Envy 12kW inverter with three robust eFlex batteries, this system delivers impressive and efficient energy storage. Designed by the fortress investment group, it ensures seamless backup power and high-performance operation. Each component in this system is built with quality and durability, suited for both residential and commercial applications.

With a strong focus on innovation, the fortress company offers a system that supports energy independence. The product blends advanced energy technology with easy installation and smart monitoring features. Users can trust the fortress investment group backing to guarantee long-term reliability and extended equipment life. This system is engineered to meet the needs of today’s power users while providing future-ready upgrade options.

What’s included in the Fortress package

• 1× Envy True 12 kW Hybrid Inverter featuring 200 A AC passthrough and 3 MPPT trackers. The inverter is rated NEMA 4X/IP65 for solid outdoor performance. It measures 34.2 × 20.5 × 11.2 inches and weighs 127 lbs. :contentReference[oaicite:17]{index=17}
• 3× eFlex 5.4 kWh Batteries that deliver roughly 16.2 kWh total energy capacity. These LiFePO₄ batteries support around 8,000 charge cycles, ensuring longevity. Each battery is approximately 21.3 × 17.5 × 7.2 inches and weighs 108 lbs. :contentReference[oaicite:18]{index=18}
• 1× DuraRack Outdoor Enclosure, designed to hold up to 4 eFlex batteries safely. It holds a rating of IP65/NEMA 3R, making it ideal for outdoor use. The enclosure size is 29.88 W × 41.97 H × 17.83 D inches and it weighs 153.2 lbs. :contentReference[oaicite:19]{index=19}
• 1× Guardian Gateway, which provides detailed battery-level monitoring, remote firmware updates, and technical support. The device measures 7.25 × 6 × 1.25 inches and weighs 0.8 lbs. :contentReference[oaicite:20]{index=20}

Fortress system highlights

• Hybrid flexibility: This Fortress system supports both AC and DC coupling to maximize flexibility. It also allows for generator input and fast transfer times to ensure quick backup power transitions. :contentReference[oaicite:21]{index=21}
• Scalable & code-ready: Users can parallel up to 10 Envy units for system scalability. The system complies with UL1741SB and IEEE 1547 safety and grid interconnection standards. :contentReference[oaicite:22]{index=22}
• Outdoor-rated hardware: The Envy inverter features a durable NEMA 4X/IP65 rating. The DuraRack enclosure provides IP65 protection and comes with built-in busbars and cabling to simplify installation. :contentReference[oaicite:23]{index=23}
• Battery-level visibility: The Guardian app monitors State of Charge (SoC), voltage, current, and temperature on a per-battery basis for optimal system management. :contentReference[oaicite:24]{index=24}

Fortress Key specs

Fortress included documentation

• Envy 12 kW Datasheet & Installation Manual
• eFlex 5.4 Datasheet & Installation Manual
• DuraRack Datasheet
• Guardian Datasheet

Always size conductors/OCPD correctly. Follow code clearances recommended in manuals and local regulations to ensure safety.

The fortress company’s strong commitment to advanced technology makes this system perfect for today’s energy needs. Backed by fortress investment, this product delivers unmatched reliability and extended lifespan. Its design allows straightforward installation along with smart monitoring features. This fortress investment group-supported solution ensures continuous power for your home even when grid power is unavailable. With this system, users gain both energy independence and peace of mind for the future.