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Fortress Power > 48 volt 16.2 kWh (315AH) eFlex Batteries and FlexTower Enclosure All-in-One Energy Storage System - Indoor / Outdoor Enclosure and three eFlex 5.4 Batteries
16.2kWh FlexTower Energy Storage Package Includes:
- Quantity Three - Fortress Power eFlex 5.4 > 48 Volt 5.4kWh (105AH) Battery
- Quantity One - Fortress Power FlexTower > eFLEX 5.4 Battery Storage Rack
FlexTower Enclosure and three eFlex batteries included, inverter sold separately.
FlexTower: Top enclosure holds either (1) Fortress Power True Envy 12kW, Sol-Ark 12 or Sol-Ark 15K inverter and is coupled with the lower DuraRack Outdoor Battery enclosure to support indoor and outdoor installations (IP65/Nema 3R) up to 60kW of inverter power and 81kWh of storage.
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.
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Model
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FlexTower 16.2kWh Bundle
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Series
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FlexTower
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Manufacturer
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Fortress Power
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Enclosure Material
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Carbon Steel
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Enclosure Protection
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IP65 water and dust proven (outdoor), NEMA 3R
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Dimensions (W x H x D)
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29.3" x 79.5" x 17.7"
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Weight
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589 lbs.
Enclosure: 265 lbs
Fortress Power eFlex 5.4 Battery: 108 lbs each x3
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Cooling
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Fan Cooling
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Certifications
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UL 1741, UL 1741-SA, UL 1973, UL 9540, UL 9540 (A)
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Warranty
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10 years (8000 Cycles @ 80% DoD)
DuraRack Enclosure Warranty: 3 Years
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eFlex Battery (48V) Specifications
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Type
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Tier 1 Automotive Prismatic Lithium Iron Phosphate (LiFePO4)
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Battery Type
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eFlex 5.4
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Battery Capacity Range Scalable Capacity Range
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16.2 - 81 kWh
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Voltage Range
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45 - 56V
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Max Charging/Discharging Rate
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185A for Sol-Ark 12k
250A for Sol-Ark 15k
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Battery Efficiency
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98%
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Dimensions (L x W x H)
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21.5" x 17.5" x 7.2"
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Weight
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108 lbs
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Nominal Voltage
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48V
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Rated Capacity (20 Hour Rate)
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105 AH
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Terminal Type
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M8
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Warranty
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10 years
(8000 Cycles @ 80% DoD)
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Shipping Method
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Freight
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Features
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
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