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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
$1,809.00


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
| Capacity | 5.4 kWh |
|---|---|
| Chemistry | LiFePO4 |
| Weight | 108 lb |
|---|
| Brand | Fortress |
|---|---|
| SKU | FP-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
Questions and answers
No questions about this product have been answered yet. Ask the first one.
Compare with similar items
| Overview | ||||
|---|---|---|---|---|
| Price | $1,809.00 | $4,898.00 | $3,819.00 | $3,499.00 |
| Availability | In stock | In stock | In stock | In stock |
| Brand | Fortress | Fortress | Fortress | Fortress |
| Electrical | ||||
| Capacity | 5.4 kWh | Not listed | Not listed | Not listed |
| Chemistry | LiFePO4 | Not listed | Not listed | Not listed |
| Continuous power | Not listed | 12 kW | 10 kW | 8 kW |
| Physical | ||||
| Weight | 108 lb | 127 lb | 97 lb | 97 lb |
| Warranty and compliance | ||||
| Warranty | Not listed | Not listed | Not listed | Not listed |
| Identifiers | ||||
| SKU | FP-eFlex-MAX | FP Envy 12kW | FP Envy 10kW | FP Envy 8kW |


