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4 eFlex Max 5.4kWh Batteries (21.6 kWh Total) with DuraRack Enclosure I Outdoor

  • Durable, Flexible and Scalable
  • Best Bang for Your Buck
$6,846.00 $7,646.00

4x eFlex Max 5.4kwh Batteries
4x Top eFlex MAX Cover
4x IP65 Battery-Inverter Comm Cable (9.8ft.)
4x IP65 Battery-Battery Comm Cable
1x DuraRack Enclosure
40,000+ units sold
8000+ cycles
10-year product warranty

Fortress Power NEW eFlex MAX 5.4kWh LFP Battery

  • Features
  • Specification
  • Downloads
  • Video
  • Reviews

Upgrade your energy storage with the Fortress Power eFlex MAX 5.4 kWh Lithium Iron Phosphate (LFP) Battery Bundle,featuring four eFlex MAX 5.4 kWh batteries (21.6 kWh total) and the robust DuraRack Enclosure IP65 rated for outdoor use. This cutting-edge bundle delivers exceptional performance, durability, and reliability, making it ideal for powering homes, businesses, or off-grid lifestyles.

This enclosure stores up to 4 eFlex MAX 5.4kWh batteries. The DuraRack paired with multiple eFlex MAX batteries can build a 48V UPS server rack or provide storage capacity to home solar arrays. The DuraRack includes integrated busbars, and a DIN rail heater mount. This enclosure can be free-standing or pad mounted and is safe for indoor and outdoor installations.

Switch to Reliable Solar Storage!

Unlock reliable energy storage system with the Fortress Power eFlex MAX 5.4 kWh (x4) + DuraRack Enclosure Bundle –the smart, scalable, and sustainable choice for modern energy needs.

Specification

Model

eFlex MAX

Total Energy(kWh)

5.4

Max. Charge Current (Continuous) [A]

100

Max. Discharge Current (Continuous) [A]

100

Nominal Capacity [Ah]

105

Voltage Range [V]

48-55

Charging Temperature [F]

32 ~ 114

Discharging Temperature [F]

-4 ~ 131

Storage Temperature [F]

20 ~ 95

Dimension [L x W x H, inch]

17.5 x 24.2 x 7.2

Weight [lbs]

108

Life Cyclesv

8000 @ 80% DoD

Round Trip Efficiency

>98%

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Optional link
  • eFlex MAX - Installation & Commissioning

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