Fortress Power FlexRack Combining Rack for eFlex 5.4 kWh Lithium Batteries


Note: Batteries are not included.

In stock

Fortress Power FlexRack combining rack

Shipping Note: This item must ship by truck freight. If you have any questions about shipping or delivery, please email us or call us at 800-383-0195 for details.

Expand your energy storage with the new Fortress Power FlexRack! This iron enclosure stores up to 4 eFlex 5.4kWh batteries. The FlexRack paired with multiple eFlex batteries can build a 48V UPS server rack or provide storage capacity to home solar arrays. The FlexRack includes integrated busbars, wheels, and a DIN rail heater mount. This enclosure can be free-standing or pad mounted.


  • Includes intergrated busbar for easy stacking
  • Easy to add Din rail thermostat for cold climates
  • Passive cooling vent for warm climates
  • Built on wheels for easy mocement and positioning
  • Expandable up to units (15 eFlex batteries: total 81 kWh)


  • Enclosure Protection: IP20(indoor)
  • Maximum Battery Unit: 4 eFlex 5.4
  • Storage Capacity Range: 5.4kWh - 21.6kWh
  • Dimensions H x W x D (in/mm): 48 x 23.6 x 23.6 / 1200 x 600 x 600
  • Weight Without Batteries (lbs/kg): 153.2 / 69.6
  • Warranty: 3 years
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