Fortress Power DuraRack Battery Enclosure | Holds up to 15 eFlex Batteries | 81kWh Max | Indoor/Outdoor Rated

Fortress Power DuraRack Battery Enclosure | Holds up to 15 eFlex Batteries | 81kWh Max | Indoor/Outdoor Rated

Expandable Storage. Rugged Protection. Clean Installation.

The Fortress Power DuraRack is a weather-resistant, scalable battery enclosure designed to house and protect your eFlex 5.4kWh lithium batteries. Built with IP65-rated materials for indoor or outdoor installations, the DuraRack offers secure, professional-grade battery storage—whether you're expanding residential capacity or designing a robust commercial system.

Each DuraRack holds up to 4 eFlex batteries, and the system can be expanded up to 4 total enclosures, delivering a combined storage capacity of up to 81kWh. Pre-wired with integrated busbars and battery cables, and compatible with Fortress Power’s optional Heat Mat Kit, DuraRack is optimized for performance and durability in both hot and cold climates.

Key Features:

• Indoor/Outdoor Ready Protection: With a durable steel housing and IP65 rating, the DuraRack is ideal for indoor utility closets or outdoor installations exposed to rain, dust, or snow.
• Integrated Busbars & Pre-Wired Cabling: No need to source or install additional components. DuraRack comes ready with built-in busbars and battery cables, streamlining installation and ensuring a clean, code-compliant setup.
• Cold Weather Compatible: Pair the DuraRack with an optional DIN rail-mounted Heat Mat Kit to keep your batteries within operating temperature in freezing environments—essential for northern climates or off-grid locations.
• Passive Cooling for Warm Environments: Engineered with vented airflow, the enclosure promotes passive cooling, helping maintain optimal battery temperature and longevity in warmer climates.
• Scalable System Architecture: Each enclosure supports up to 4 × eFlex 5.4kWh batteries, and you can scale up to 15 batteries across 4 DuraRacks, offering up to 81kWh of total energy storage.
• Secure, Professional Appearance: With a tamper-resistant enclosure, clean design lines, and a low-profile footprint, the DuraRack delivers both security and curb appeal for residential and commercial sites.
• Flexible Mounting Options: Install as a freestanding cabinet or pad-mounted unit, depending on your layout and space requirements.

Applications:

• Residential Energy Storage
  
• Light Commercial & Industrial Systems
  
• Indoor Utility Rooms or Closets
  
• Outdoor Patio or Wall-Mounted Installations
  
• Off-Grid Projects in Harsh Climates
  

What’s Included:

• 1 × Fortress Power DuraRack Enclosure
  
• Pre-installed busbars and battery interconnect cables
  
• Mounting hardware and side knockouts for AC/DC wiring
  
• DIN Rail for optional heater (Heat Mat Kit sold separately)
  
• User Guide
  

Holds up to 4 Fortress Power eFlex 5.4kWh batteries per enclosure. Expand up to 4 units for a maximum of 15 batteries.

Specifications

Shopping Guide

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