Fortress Power - FlexTower-Enclosure IP 65 Outdoor Rated
The FlexTower is an all-in-one energy storage system. Built on the foundation of the DuraRack battery cabinet, the FlexTower combines the battery, charge controller, and inverter into a single unit with an LCD control panel, and remote monitoring capability. The FlexTower is easy to install and carries IP65/NEMA3R ratings for indoor or outdoor use.
Key Features
All-in-One Solution
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Inverter, charge controller, LCD Control Panel, Battery and remote monitoring app integrated in one unit
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Supports Off-grid, Back-up, Zero Export, Time-of-Use, Demand Response, Peak Shaving, and Virtual Power Plant
Flexible & Easy Install
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IP65 water and dust proof for indoor & outdoor installation. NEMA3R
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AC or DC couple to existing or new PV arrays
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Optional Rapid Shutdown Button Included
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Side knockouts sized for solar, grid, and generator wiring
Highest Reliability for Maximal Protection
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8000+ cycle life with tier 1 Automotive Lithium Iron Phosphate (LFP) battery
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Easily scaled to meet all large residential and commercial electricity needs
Whole Home Backup with 200A Grid Pass-through
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200A Pass-through eliminates backup panel requirement
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Saves time on inverter wiring
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Includes battery cables and combiner for additional savings
Highest Roundtrip Efficiency to Maximize Your Solar Investment
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>98% Battery Efficiency
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5% CEC-Rated Inverter Efficiency
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Compatible with Din-Rail Heaters to maximize lifecycles in cold climates
Specifications:
| DuraRack Specifications |
| Enclosure Material |
Carbon Steel |
| Enclosure Protection |
IP65 water and dust proven (outdoor) |
| Enclosure Color |
White |
| Dimensions [W x H x D] |
29.29 x 41.34 x 18.03 in (744 x 1050 x 458 mm) |
| Enclosure Weight |
59.6 kg / 153.2 lbs |
| Maximum Battery Units |
4 eFlex 5.4 |
| Storage Capacity Range |
5.4kWh – 21.6 kWh per unit |
| Max. Storage Capacity |
81 kWh (4 unites in parallel) |
| Knockout Size |
1inch & 2 inch |
| Positive and Negative Battery Busbars |
2 x 4 points; M8 (5/16) Terminal Rings |
| Positive and Negative Busbars to Inveter |
2 points; m10 (3/8) Terminal Rings |
| Battery Cables |
4 sets of |
| Terminal Torque |
7.0 – 7.7 Nm (5.1 – 5.7 ft-lb) |
| Enclosure Warranty |
3 Years |
| Certifications |
UL9540, UL9540A, UL1973, CEC, SGIP |
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