Lithium Iron Phosphate Battery eFlex 5.4 kWh

The Fortress Power Advantage

NOW AVAILABLE

Flexible to Install

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

High Durability and Long-Lasting

10 Year Warranty with the safe and premium prismatic Lithium-Iron-Phosphate cells

Lowest Cost Per Cycle

High energy throughput with exceptional life span (6000+ cycles) and high round-trip efficiency (>98%)

Versatile Applications

Expandable from 5.4 kWh to 81 kWh for residential, commercial, railway, military, and telecommunication applications etc.

Closed-Loop Communication

Enables higher system efficiency & increased performance along with easy set-up

*compatible with popular hybrid inverters on the market

Waterproof and Saltwater Resistant

The sleek-looking Aluminum cabinet has IP 65 waterproof rating to prevent salt-water corrosion

eFLEX 5.4 kWh

Specifications

 
 eFlex 5.4
 
 Total Energy (kWh)
5.4
 Max. Charge Current (Continuous) [A]
100
 Max. Discharge Current (Continuous) [A]
60
 Max. Pulse Current (for 5 sec) [A]
130
 Capacity [Ah]
105
 Voltage Range [V]
44-58.4
 Charging Temperature [F]
32 to 113
 Discharging Temperature [F]
32 to 140
 Storage Temperature [F]
32 to 95
 Dimension [L x W x H, inch]
21.5 x 17.5 x 7.2
 Weight [lbs]
116
 Life Cycles
6000 @ 80% DoD
 Round Trip Efficiency
>98%

Fortress batteries can be paired with most chargers and hybrid inverters available on the market.

Rugged, Long-lasting, Daily Use Battery

Safe Lithium Iron Phosphate Technology (LifeP04)

98% Roundtrip Efficiency

Flexible Mounting Options

Remote Monitoring including wifi, modbus, and canbus

BMS Monitors & Balances Individual Cells

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