Model FlexTower -All-in-One Energy Storage System
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.
All-in-One Solution
- Inverter, charge controller, LCD Control Panel, Battery and remote monitoring app integrated in one unit
- Supports Off-grid, Back-up, Zero Export, Time-of-Use, Demand Response, Peak Shaving, and Virtual Power Plant
Flexible & Easy Install
- IP65 water and dust proof for indoor & outdoor installation. NEMA3R
- AC or DC couple to existing or new PV arrays
- Optional Rapid Shutdown Button Included
- Side knockouts sized for solar, grid, and generator wiring
Highest Reliability for Maximal Protection
- 8000+ cycle life with tier 1 Automotive Lithium Iron Phosphate (LFP) battery
- Easily scaled to meet all large residential and commercial electricity needs
Whole Home Backup with 200A Grid Pass-through
- 200A Pass-through eliminates backup panel requirement
- Saves time on inverter wiring
- Includes battery cables and combiner for additional savings
Highest Roundtrip Efficiency to Maximize Your Solar Investment
- >98% Battery Efficiency
- 5% CEC-Rated Inverter Efficiency
- Compatible with Din-Rail Heaters to maximize lifecycles in cold climates
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