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Fortress Power > True Envy 12kW Inverter, 21.6 kWh (420AH) eFlex Batteries and FlexTower Enclosure All-in-One Energy Storage System - Indoor / Outdoor Enclosure - Bundled Kit
Manufacturer Part Number:
Fortress Power Envy 12k FlexTower 21.6kWh Bundled Kit
The Fortress Power Envy True 12kW and four eFlex 5.4 Batteries in a FlexTower Indoor / Outdoor Enclosure offer a simple, All-In-One energy storage solution for your home. Adding Fortress inverter and battery storage to you home PV system is simple. Fortress Battery offers a combined solution that will help you keep the lights on and your home office running during utility interruptions. "Closed-loop" communication and streamlined installation make integrating solar with storage now easier than ever.
Fortress Power Battery Monitoring Gateway for eFlex Batteries also included.
The Fortress Power Guardian is a gateway device that connects Fortress Power Batteries to the cloud. Paired with the companion app, the Guardian will automatically discover connected Fortress Power batteries. This enables battery-level monitoring of key values such as State of Charge, Voltage, Current and Battery Temperature as well as faster, more accurate technical support. Remotely update battery firmware, submit support tickets, chat live with technical support, complete warranty submissions, and securely share installation and monitoring data directly with support engineers– right from the companion app.
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NOTICE: eFlex and eVault batteries will likely need a firmware update when being paired with the Fortress Envy inverter.
Software download required. Communication cable provided by Fortress Power upon request. Can be used repeatedly for multiple projects.
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Supported Applications
- Battery Backup
- Off-Grid
- Zero Export
- Time-of-Use
- Peak Shaving
- Demand Response Integration
(Coming Soon)
Product Inverter Highlights
- All-In-One Solution (PV, Generator,
On/Off Grid, AC/DC Coupling)
- Whole Home Backup with 200A AC Passthrough
- Max. 18 kW PV Power Delivered to Battery & AC Outputs
- 12 kW (50A @240V) Backup Power
- Integrated AC & DC Breakers for Fast Installation & Commissioning
- Built-in APsmart Rapid Shutdown Transmitter and Button
Key Inverter Features
- 200A AC passthrough current for whole home backup
- 3 MPPT output for max. 21 kW PV array
- AC/DC coupling
- IP65 rated for Indoor & Outdoor Installation
- Built-in Generator Input
- 5 units in parallel
- Online monitoring / app
- Color LCD touch screen
- 3 Phase Compatible
(Upcoming Feature)
Features for FlexTower Enclosure with eFlex Batteries
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
Fortress Power Envy 12k - Documentation
Fortress Power eFlex 5.4 G2 Battery - Documentation
Fortress Power FlexTower - Documentation
Fortress Power Guardian Gateway - Documentation
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