Fortress Power | FlexTower + 12k Inverter + eFlex Batteries
Introducing the FlexTower, an integrated energy storage solution designed for seamless installation and versatile usage. Constructed on the reliable DuraRack battery cabinet, the FlexTower combines essential components including the battery, charge controller, and inverter into one cohesive unit. Equipped with a user-friendly LCD control panel and remote monitoring capabilities, it ensures convenient operation. With IP65/NEMA3R ratings, the FlexTower is suitable for both indoor and outdoor installations, offering flexibility and reliability for various energy storage needs.
Key Features
All-in-One Solution
- All-in-one unit integrates inverter, charge controller, LCD control panel, battery, and remote monitoring app
- Versatile support for off-grid, backup, zero export, time-of-use, demand response, peak shaving, and virtual power plant applications
Flexible & Easy Install
- Water and dustproof with IP65 rating for both indoor and outdoor installations, compliant with
- NEMA3R standards
- Compatible with AC or DC coupling to existing or new PV arrays
- Optional rapid shutdown button included for added safety
- Side knockouts sized for solar, grid, and generator wiring
Highest Reliability for Maximal Protection
- Over 8000 cycles of life with tier 1 Automotive Lithium Iron Phosphate (LFP) battery
- Easily scalable to meet large residential and commercial electricity needs
Whole Home Backup with 200A Grid Pass-through
- 200A Pass-through eliminates the need for a backup panel
- Saves time on inverter wiring
- Includes battery cables and combiner for additional savings
- >98% Battery Efficiency
- 5% CEC-Rated Inverter Efficiency
- 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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Yes! All products on Solar Guys Pro are 100% brand-new and in perfect condition.
We do not sell any used or refurbished items.
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Frequently Asked Questions
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