Fortress Power

For over ten years, Fortress Power has proudly serviced homeowners and commercial clients worldwide. Our Pennsylvania-based team’s passion for clean energy storage has earned us a place among the world’s top energy storage battery manufacturers. We pride ourselves on bringing of businesses and households energy storage products they can depend on, built from only the highest quality, highest powered lithium ferrite phosphate batteries.

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Lithium Battery LFP-10

  • High performance: fast charging - 98% round-trip conversion 
  • Total Energy: 10.24 kWh
  • Consistent reliability: LFP technology operates a wider temperature range to provide the most dependable performance 
  • Superior safety: LFP is proven to be one of the safest Lithium technologies in the industry
  • Built-in accessible 150 Amp DC breaker On/Off switch
  • Easy to install 
  • Easy to integrate with Solar or operate independent;ly to provide your home power - day or night

eVault 18.5kWh

  • High performance: fast charging - 98% round-trip conversion
  • Total Energy: 18.5 kWh
  • Consistent reliability: LFP technology operates a wider temperature range to provide the most dependable performance
  • Superior safety: LFP is proven to be one of the safest Lithium technologies in the industry
  • Built-in accessible 250 Amp DC breaker On/Off switch
  • Easy to install
  • Easy to integrate with Solar or operate independently to provide your home power - day or night

eFlex 5.4 kWh

  • Expandable from 5.4 to 81 kWh
  • 98% roundtrip efficiency
  • High durability and long lasting
  • Waterproof and Saltwater resistant
  • Monitor from anywhere with Wi-Fi and a built-in data storage
  • Can be wall mounted or floor standing; even fits will into standard server racks for larger systems