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Front view of the Fortress Power E-Flex 5.4 kWh battery unit showcasing its compact design and connection ports

Fortress Power | eFlex 5.4 G2 | Lithium Battery | 5.4kWh, IP65, Wi-Fi Enabled

by Fortress Power
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$2,495.00
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At Crisis Comforts, we are committed to providing you with the best prices online. If you find a lower price for the same product, we guarantee to match or beat that price.

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For full details, refer to our Price Match Policy Rules.

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Fortress Power eFlex 5.4kWh LFP Battery - Compact, Efficient Energy Storage - Data Sheet / Manual

Unlock the potential of compact energy storage with the Fortress Power eFlex 5.4kWh LFP Battery, designed for versatility and endurance. Utilizing prismatic Lithium Iron Phosphate cells, this scalable solution stands at the forefront of battery safety and energy density. Its advanced digital processor Battery Management System (BMS) not only safeguards your power supply through high amperage contactor disconnects but also maintains your system with precision via individual cell voltage and temperature monitoring, ensuring balanced cell health for extended battery life.

With cutting-edge communication technologies like Canbus, Modbus, and Wi-Fi, the eFlex integrates seamlessly into the internet-of-things, offering smart, real-time insights into your energy usage. Housed in an IP65-rated case, this battery is impervious to water spray and dust, suitable for a variety of environments from renewable energy systems to marine and mobile applications.

Whether wall-mounted, floor-mounted, or server rack-mounted, the eFlex provides the flexibility you need for optimal space management. Boasting a 98% round-trip efficiency and monitored by a state-of-the-art BMS, the eFlex is not just an energy solution—it's an investment in sustainable, reliable power. NRTL certification to UL9540 and UL9540a standards confirms its place as a trusted component in any energy system.

General
Name 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] 48-55
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 8000 @ 80% DoD
Round Trip Efficiency >98%