Fortress Power FlexTower Full System Enclosure | All-in-One Solar + Storage | IP65 Rated | Whole-Home Backup
Simplified Energy. Complete Control. Built to Last.
The Fortress Power FlexTower is your complete energy storage solution—integrating a battery, hybrid inverter, charge controller, and monitoring system into a single, weatherproof enclosure. Designed for fast installation, seamless operation, and whole-home backup, the FlexTower delivers clean, intelligent power for both residential and commercial projects.
With its rugged IP65/NEMA 3R-rated design, internal LCD interface, and mobile app connectivity, the FlexTower is ready for indoor or outdoor deployment—making it a flexible and powerful solution for energy independence, grid support, or emergency backup.
Key Features:
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All-in-One Solar + Storage System: The FlexTower combines your battery, hybrid inverter, MPPT charge controller, and control interface into a sleek, single-unit enclosure. No need for separate enclosures or complicated wiring—just streamlined, reliable performance.
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Indoor/Outdoor Rated for Any Environment: With its IP65 and NEMA 3R ratings, the FlexTower is engineered to withstand the elements, allowing for flexible installation locations—garage, basement, backyard, or utility closet.
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Fast, Code-Compliant Installation: Pre-cut side knockouts, pre-installed combiner, and included AC/DC wiring access points make installation clean and quick. Optional Rapid Shutdown Button is available for full NEC compliance without the hassle.
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Whole-Home Backup—No Subpanel Required: A built-in 200A grid pass-through eliminates the need for a backup subpanel—saving on materials, labor, and installation time. FlexTower also includes pre-wired battery cables and full inverter integration.
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Remote Monitoring + LCD Control Panel: Manage your system locally with the integrated LCD screen, or monitor remotely through the Fortress Power mobile app. Adjust settings, view performance, and receive alerts from anywhere.
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High Efficiency, Maximum ROI: With >98% roundtrip battery efficiency and CEC-rated inverter performance, the FlexTower ensures every kilowatt-hour from your solar system is captured and put to work—maximizing savings over the system's life.
Applications:
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Residential solar + storage systems
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Commercial and light industrial backup
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Off-grid energy solutions
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Zero export, TOU optimization, demand response
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VPP (Virtual Power Plant) participation
What’s Included:
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1 × Fortress Power FlexTower Enclosure
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Pre-installed Hybrid Inverter
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Integrated Charge Controller
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LCD Interface Panel
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Battery Cables & Internal Combiner
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Mobile App Monitoring Access
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Optional Rapid Shutdown Button (Sold Separately)
Battery model varies by configuration. Compatible with Fortress Power eVault MAX, eFlex MAX, and LFP-10 MAX.
Specifications
Operation Temperature Range |
32°F ~ 114°F (0°C ~ 45°C) |
IP Rating |
IP65/NEMA 3R |
Enclosure Weight |
265lbs (120kg) |
Dimensions [W x H x D] |
29.2in x 83.78in x 17.8in (742mm x 2128mm x 452mm) |
Cooling |
Fan Cooling |
Warranty |
3 Years |
Communication |
CAN, Modbus, RS485, WIFI |
Certifications |
UL 1741, UL 1973, UL 9540, UL 9540 (A) |
Side Knockouts |
Left 2”(3), 1.5”(1), 1.25”(1),1”(1) / Right 2”(3), 1.5”(1), 1”(1) |
Shopping Guide
Why Shop With Us
Why Shop With Ecogrid Supply?
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Authorized & Trusted Dealer: We’re fully authorized for every brand we carry, so you get genuine products with full manufacturer warranties.
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Fast, Reliable Shipping: All items ship from our U.S. warehouses with quick and dependable freight options to keep your project on track.
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30-Day Hassle-Free Returns: Change your mind? No worries — enjoy a simple 30-day return process for peace of mind.
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Real Human Support, 7 Days a Week: Reach us by phone, email, or live chat — no bots, no overseas call centers, just real people who know off-grid power systems.
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Expert Energy Guidance: Our solar and backup energy specialists are ready to help you with design, planning, product questions, and installation tips.
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USA-Based Service: Our team proudly operates here in the United States, providing local, knowledgeable, and friendly support.
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Secure Payments: Shop confidently with our encrypted, secure checkout to protect your personal and payment information.
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Built for Energy Independence: Whether you’re powering a cabin, prepping for emergencies, or going off-grid, our products are selected for performance, reliability, and sustainable operation.