Fortress Power Lithium Iron Phosphate Battery eFlex 5.4 kWh

SKU#: eFLEX 5.4

Fortress Power Lithium Iron Phosphate Battery eFlex 5.4 kWh

Fortress eFlex 5.4 Lithium Iron Phosphate (LFP; LifePO4) battery can be easily integrated into a new or existing PV system to support back-up, Off-Grid, Self-supply, Time-of-Use or Demand Curtailment applications. The new lightweight unit can be wall mounted. The eFlex also comes with racks that can be used to stack multiple units on the floor. It is designed to fit into standard 24-inch computer racks.

The eFlex battery is scalable up to 200 kWh per inverter via CAN communication cables, to support Residential, Commercial and Industrial Storage Projects. The unit uses safe and high energy density prismatic Lithium-Iron-Phosphate cells. The battery has a built-in data storage and Wi-Fi for remote monitoring and troubleshooting ability. The smart relay-based Battery Management System (BMS), supports closed-loop communication with various 48V hybrid inverters on the market.

Additionally, the BMS monitors and balances the voltage and temperature of each individual cell to maximize reliability and longevity. It has the highest round trip efficiency in the industry at 98%. This unit has wall mounting functionality and fits well into standard server racks for large systems.

• 98% Roundtrip efficiency
• High Durability and Long-Lasting
• Safe Lithium Iron Phosphate Technology (LiFeP04)
• Remote Monitoring
• Cell level Monitoring and Balancing
• Close-loop communication with many hybrid inverters
• 10 year warranty with the safe and premium prismatic Lithium-Iron-Phosphate cells
• High energy throughput the exceptional life span (6000+ cycles) and high round-trip efficiency (>98%)
• Expandable from 5.5kWh to 81 kWh for small and large facilities
• The compact and easy-to-install unit can be wall mounted or floor-standing. It also fits well into standard server racks for large systems.
• The battery has a built-in data storage Wi-Fi for remote monitoring and troubleshooting ability.

Product Specifications

Characteristics
ManufacturerFortress Power
ModeleFLEX 5.4
Other Vendor Codes
Rated Power Output [W]
Length [mm (in)]18 in
Width [mm (in)]23 in
Depth [mm (in)]7.3 in
Weight [kg (lb)]49 kg (108 lbs)
Warranty [Years]10

Surge/Lightning Protection
Maximum Volts [Vdc]
Discharge Current [kA]
Nominal DC Voltage Range [Vdc]
Nominal AC Voltage [Vac]

Modules
PTC Power Rating [W]
Tier Level
Lower Output Tolerance [-%]
Upper Output Tolerance [%]
Only suitable for transformer invertersNo
Compatible with IronRidge CAMO No
Pmax - Maximum Power (STC) [W]
Voc - Open Circuit Voltage (STC) [V]
Isc - Short Circuit Current (STC) [A]
Vmpp-Voltage at Maximum Power (STC) [V]
Impp-Current at Maximum Power (STC) [A]
Cell Efficiency (STC) [%]
Module Efficiency (STC) [%]
Pmax - Maximum Power (NOCT) [W]
Voc - Open Circuit Voltage (NOCT) [V]
Isc - Short Circuit Current (NOCT) [A]
Impp-Current at Maximum Power (NOCT) [A]
Vmpp-Voltage at Maximum Power (NOCT) [V]
Cell Efficiency (NOCT) [%]
Module Efficiency (NOCT) [%]
Nominal Operating Cell Temperature NOCT
Maximum System Voltage [V]
Series Fuse Rating [A]
Maximum Reverse Current [A]
Cell Technology
Solar Cell's Country of Origin
Solar Cell Size
Number of Cells (Pieces)
Number of Bypass Diodes
Frame Color
Back Cover
Frame Size [mm]
Module Length [in]
Module Width [in]
Junction Box
Output Cables
Connector
Hail Safety Impact Velocity [mm at m/s]
Fire Safety Classification (IEC 61730)
Static Load Wind / Snow [Pa]
Normal Operating Cell Temperature (NOCT)
Temperature Coefficients of P [%/Â°C]
Temperature Coefficients of V (Uoc)
Temperature Coefficients of I (Isc)
Storage Temperature [Â°C]
Packaging Configuration
Loading Capacity (40 ft. Container)
80% Power Output Warranty Period
90% Power Output Warranty Period
Workmanship Warranty Period
CSI Listed

Fuses and Holders
Amps [A]

Data Logers
Bluetooth (BT)No
WiFi (wireless LAN)No
Powermanagement (PM+)No
Powermanagement (PM+) / GPRSNo
Powermanagement (PM+) / WiFiNo
GPRSNo
Central inverter SCB and SMBNo
Max. no. inverters
Communication interface
Inverter mixed operationNo
Measured max. plant size [kWp]
Max. cable length
String monitoring-depends on inv. modelNo
Inverter failureNo
Performance monitoring for each inverterNo
Status/fault monitoringNo
Connection to sensor systemNo
Connection to Sensor BasicNo
Email and SMS alarmNo
Local alarm (pot. free contact)No
Yield forecastingNo
Degradation calculationNo
Connection to digital meter readerNo
Integrated webserverNo
Graphic visualisation - local PCNo
Graphic visualisation - USB stickNo
Graphic visualisation - internetNo
LED status displayNo
Operation on deviceNo
Large display RS485/S0 pulseNo
Sâ‚€ in/out
Ethernet networkNo
USB stickNo
Analogue modem / GPRS(GSM)No
Potential-free contact (relay)No
Alarm contact (anti-theft)No
Mains voltage / device voltage [Vac/Vdc]
Power consumption [W]
Ambient Temperature [Â°C(Â°F)]
Assembly
Protection class for logger
Connection to Solar-LogTM WEBNo
Multilingual (DE, EN, ES, FR, IT, NL)No
Memory

Connectors
Pre-configured (p), Configurable (c)
Test Specifications
LockableNo
Protection Type Connected / Disconnected
Approved Temperature Range [Â°C]
Rated Current, Specified Cable Cross-sec
Contact Resistance [mÎ©]
Max. System DC Voltage [V]
Protection Class
Contact Material
Plug Face is Similar to
Combinable w original type confirmed by
Measurements (length x cross-section)

Combiners
Usable Cable Cross-section
Number of Breakers
Number of Fuse Holders
Combiner Voltage Rating (VDC)
Combiner Maximum DC Current (A)
Max. Input Short Cir. Current/String [A]
Maximum Continuous Current (A)
Max. Input Current Per String (A)
Combiner Maximum Voltage (VDC)
Combiner Positive Output Wire Size (mm2)
Output Wire Size (mm2)
Max. Positive Input Wire Size (mm2)
Max. Negative Input Wire Size (mm2)
Combiner Negative Output Wire Size (mm2)
Combiner Input Wire Size (mm2)
Combiner Enclosure Rating
Combiner Maximum Input Fuse Rating (A)
Combiner Operating Temperature (CËš)

Cables
Reel Length (Imperial)
Cable (Wire) Size [mmÂ² (AWG)]
Jacket Color
Cable Conductor Material
Cable Voltage Rating [V]

Breakers
Circuit Breaker Amps [A]
Poles
AC Voltage Rating [Vac]
DC Voltage Rating [Vdc]
FusedNo

Wireless Technology
MiMo
Surge Suppression
WiFi Standard
Min Concurrent Clients
Concurrent Clients
Channel Spacing
Max Transmit Power (dBm)

Video
Video Compression
Resolution
Max Frame Rate
Image Setting
Night Mode
Microphone
View Angle (degree)

Switches
Switching Capacity (Gbps)
Total Non Blocking Throughput
Forwarding Rate (MPPS)
Ports
No. of Data Ports

Regulatory / Compliance Info
FCC Regulations
Certifications / Wireless Approval

Building Materials
Knockout Size (Inch)
Outside Diameter (Inch)
Inside Diameter (Inch)
Wall Thickness (Inch)
Material
Color
Exposure (Inch)
Shingles Per Square
Wind Resistance (mph)

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Product Features

Fortress Power Lithium Iron Phosphate Battery eFlex 5.4 kWh

Fortress eFlex 5.4 Lithium Iron Phosphate (LFP; LifePO4) battery can be easily integrated into a new or existing PV system to support back-up, Off-Grid, Self-supply, Time-of-Use or Demand Curtailment applications. The new lightweight unit can be wall mounted. The eFlex also comes with racks that can be used to stack multiple units on the floor. It is designed to fit into standard 24-inch computer racks.

The eFlex battery is scalable up to 200 kWh per inverter via CAN communication cables, to support Residential, Commercial and Industrial Storage Projects. The unit uses safe and high energy density prismatic Lithium-Iron-Phosphate cells. The battery has a built-in data storage and Wi-Fi for remote monitoring and troubleshooting ability. The smart relay-based Battery Management System (BMS), supports closed-loop communication with various 48V hybrid inverters on the market.

Additionally, the BMS monitors and balances the voltage and temperature of each individual cell to maximize reliability and longevity. It has the highest round trip efficiency in the industry at 98%. This unit has wall mounting functionality and fits well into standard server racks for large systems.

• 98% Roundtrip efficiency
• High Durability and Long-Lasting
• Safe Lithium Iron Phosphate Technology (LiFeP04)
• Remote Monitoring
• Cell level Monitoring and Balancing
• Close-loop communication with many hybrid inverters
• 10 year warranty with the safe and premium prismatic Lithium-Iron-Phosphate cells
• High energy throughput the exceptional life span (6000+ cycles) and high round-trip efficiency (>98%)
• Expandable from 5.5kWh to 81 kWh for small and large facilities
• The compact and easy-to-install unit can be wall mounted or floor-standing. It also fits well into standard server racks for large systems.
• The battery has a built-in data storage Wi-Fi for remote monitoring and troubleshooting ability.

Product Specifications

Learn

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