Fortress Power | DuraRack
Fortress Power | DuraRack is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
We offer fast and reliable shipping across the continental U.S., with free shipping available on most orders (exclusions may apply based on brand and product type). Orders are typically processed within 1–2 business days and transit time is usually 4–7 business days. Larger items may ship via freight and require a scheduled curbside delivery. Please ensure your contact details are accurate at checkout. For questions about delivery timelines, shipping eligibility, or special requests, feel free to contact us directly. See Policy.
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Price Match Guarantee
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Fortress Power | DuraRack
Increase your energy storage capacity with the Fortress Power DuraRack battery enclosure. This durable steel cabinet is designed to house up to four eFlex 5.4 kWh battery modules per rack and can be expanded by connecting up to four enclosures, supporting a total of 15 eFlex batteries for up to 81 kWh of storage. The DuraRack features built-in busbars and a mounting location for a DIN-rail heater. It can be installed as a freestanding unit or mounted on a pad and is approved for both indoor and outdoor use.
Key Highlights
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Weather-sealed enclosure rated IP65 for protection against dust and water in indoor or outdoor environments
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Integrated busbars and included battery cabling simplify battery stacking and system expansion
-
Supports DIN-rail thermostat or heater installation for reliable operation in cold climates
-
Passive ventilation design promotes heat dissipation in warmer conditions
-
Scalable configuration supporting up to four connected racks (15 eFlex batteries, 81 kWh total capacity)
Fortress Power | DuraRack
Increase your energy storage capacity with the Fortress Power DuraRack battery enclosure. This durable steel cabinet is designed to house up to four eFlex 5.4 kWh battery modules per rack and can be expanded by connecting up to four enclosures, supporting a total of 15 eFlex batteries for up to 81 kWh of storage. The DuraRack features built-in busbars and a mounting location for a DIN-rail heater. It can be installed as a freestanding unit or mounted on a pad and is approved for both indoor and outdoor use.
Key Highlights
-
Weather-sealed enclosure rated IP65 for protection against dust and water in indoor or outdoor environments
-
Integrated busbars and included battery cabling simplify battery stacking and system expansion
-
Supports DIN-rail thermostat or heater installation for reliable operation in cold climates
-
Passive ventilation design promotes heat dissipation in warmer conditions
-
Scalable configuration supporting up to four connected racks (15 eFlex batteries, 81 kWh total capacity)