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Future Generators

Fortress

Fortress Power eFlex MAX 5.4kWh LFP Battery

  • Capacity5.4 kWh

$1,809.00

In stock

Questions? Call (727) 761-7772

SKU FP-eFlex-MAX

Pairs well with

Total for 4 items: $1,979.30

Overview

Discover the power and flexibility of the eFlex MAX 5.4 LFP Battery, designed to thrive in the most demanding environments and weather conditions. This top-tier lithium battery combines advanced technology with practical design to meet a wide range of energy needs while ensuring utmost safety and reliability.

Seamlessly integrating with our Fortress Power Envy inverters, the eFlex MAX enhances your system’s performance. Perfect for both home and business. Whether you’re seeking to reduce your environmental impact, energy costs, or rely on a steady power supply during outages, the eFlex MAX is your go-to solution. Make the smart switch to a greener, more efficient energy system today with our innovative battery technology.

Key Features:

High Cycle Life : Utilizes Tier 1 Automotive Prismatic Lithium Iron Phosphate Cells for unmatched durability.

Enhanced Thermal Performance : Patented enclosure design offers four times the thermal efficiency of competitors.

Weather Resistant : Features an IP65 rating, making it dust and water-resistant for reliable outdoor use.

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Versatile Mounting Options : Includes wall mount, floor-stand, and 19-inch industrial server rack configurations.

Comprehensive BMS: Digital Processor Battery Management System with minimal idle consumption, integrated 125A breaker, and advanced monitoring capabilities.

Communication and Updates: Supports Canbus and Modbus, OTA firmware updates, and remote monitoring.

Broad Compatibility: Advanced closed-loop communication compatible with most 48V inverters.

SKU:

FP-eFlex-MAX-5.4

Specifications

Electrical
Capacity5.4 kWh
ChemistryLiFePO4
Physical
Weight108 lb
Identifiers
BrandFortress
SKUFP-eFlex-MAX

Runtime estimate

Based on this battery's rated capacity of 5.4 kWh, with 90% of it usable. Real runtime depends on temperature, age and inverter efficiency.

Add up the watts of everything you want to run at once.

Estimated runtime4.9 hours

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Compare with similar items

4 products, 9 rows.

Comparison of Fortress Power eFlex MAX 5.4kWh LFP Battery, Fortress Power Envy True 12 kW Whole Home Solar Storage Inverter, Fortress Power Envy 10kW Whole Home Solar Storage Inverter, Fortress Power Envy 8kW Whole Home Solar Storage Inverter
This itemFortressFortress Power eFlex MAX 5.4kWh LFP Battery$1,809.00
Overview
Price$1,809.00$4,898.00$3,819.00$3,499.00
AvailabilityIn stockIn stockIn stockIn stock
BrandFortressFortressFortressFortress
Electrical
Capacity5.4 kWhNot listedNot listedNot listed
ChemistryLiFePO4Not listedNot listedNot listed
Continuous powerNot listed12 kW10 kW8 kW
Physical
Weight108 lb127 lb97 lb97 lb
Warranty and compliance
WarrantyNot listedNot listedNot listedNot listed
Identifiers
SKUFP-eFlex-MAXFP Envy 12kWFP Envy 10kWFP Envy 8kW