Fortress Durarack Mini Enclosure for eFlex Max Battery Enclosure

Fortress Durarack Mini Enclosure for eFlex Max Battery Enclosure

Regular price $285
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Fortress Durarack Mini Enclosure for eFlex Max Battery Enclosure

Fortress Durarack Mini Enclosure for eFlex Max Battery Enclosure

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MPN No: Durarack Mini
Regular price $285

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Regular price $285

Fortress Durarack Mini Enclosure for eFlex Max 5.4 Battery Enclosure

Outdoor rated enclosure, holds 2 eFlex or eFlex Max units per rack. Includes busbars and 4 sets of “+” and “-” battery cables.

BATTERIES NOT INCLUDED

The Fortress Power DuraRack Mini is a compact indoor and outdoor battery enclosure engineered to securely house up to two Fortress Power eFlex 5.4kWh lithium batteries. Designed for scalability, easy installation, and space optimization, the DuraRack Mini provides a flexible energy storage platform for residential solar, backup power, and UPS applications. 

Featuring integrated busbars, lightweight construction, wall-mount or floor-standing installation capability, and expandable architecture, the DuraRack Mini simplifies battery integration while delivering durable protection for modern energy storage systems.


Key Technology

  • Supports Two eFlex Batteries
    Designed to stack up to two Fortress Power eFlex 5.4kWh lithium batteries for up to 10.8kWh total storage capacity. 

  • Integrated Busbars
    Includes integrated positive and negative busbars for simplified wiring and battery stacking. 

  • Indoor & Outdoor Rated
    IP66 enclosure protection supports reliable operation in both indoor and outdoor environments.

  • Wall-Mounted or Floor-Standing Installation
    Flexible installation options support multiple site configurations.

  • Expandable Energy Storage Platform
    Supports scalable battery configurations for growing energy storage needs.

  • Lightweight Design
    Compact enclosure structure simplifies transportation and installation.

  • Side Handles for Easier Installation
    Integrated side handles improve installer handling and positioning.

  • Air Convection Cooling
    Passive cooling design helps maintain thermal performance without active fans.


Best Uses

  • Residential Solar Storage
    Provides secure housing for eFlex battery storage systems.

  • Backup Power Systems
    Supports reliable battery storage for emergency power applications.

  • UPS & Telecom Applications
    Suitable for scalable 48V UPS server rack and backup systems.

  • Indoor & Outdoor Energy Storage Installations
    Designed for flexible deployment in garages, utility rooms, and outdoor installations.


Warranty

  • Warranty: 10 Years

Product Specifications

Specification Details
Manufacturer Fortress Power
Product Name DuraRack Mini
Product Type Battery Enclosure / Rack
Battery Compatibility Fortress Power eFlex 5.4kWh
Maximum Battery Units 2 eFlex Batteries
Storage Capacity Range 5.4kWh – 10.8kWh
Enclosure Material Carbon Steel (SGCC Galvanized Sheet)
Enclosure Protection IP66
Enclosure Color Grey
Installation Type Indoor / Outdoor, Floor Standing or Wall Mounted
Dimensions 22 × 16.5 × 27.5 in
Weight 30 lb
Knockout Sizes 1.15 in & 2 in
Cooling Method Air Convection
Humidity Range 5% – 95%
Busbar Terminal Size M6
Recommended Cable Size to Inverter 3/0 – 4/0
Terminal Torque 7.5 – 8.3 Nm
Expandable Yes

 

About Fortress Power:

Fortress Power is a leading manufacturer of advanced lithium energy storage systems designed for residential, commercial, telecom, utility, and backup power applications. Their products are engineered and supported in the United States with a focus on safety, scalability, and long-term reliability.


Compact and Expandable Battery Storage Enclosure

The Fortress Power DuraRack Mini combines durable IP66-rated protection, integrated busbars, and flexible installation options into a compact enclosure optimized for modern residential and backup energy storage systems. 

 

Why Buy From US Solar Supplier

US Solar Supplier is an American-founded company based in Kentucky dedicated to offering top-quality solar components from trusted manufacturers. We provide competitive pricing, dependable inventory, and products backed by warranties you can trust.

Our inventory is updated daily with the latest solar technologies, and our experienced team is ready to assist with product selection, system design, and installation guidance.


Need Assistance?

Have questions before you order? Call 1-800-230-7004 to speak with our knowledgeable support team. We’re here to help with product details, compatibility questions, or purchasing support.