Fortress Power eVault 18.5kWh Lithium Iron Phosphate Battery


Here is the Fortress Power eVault 18.5kWh battery storage solution (and it's scalable up to 222kWh!!). Built with safe, high energy density, prismatic Lithium-Iron-Phosphate cells, this battery produces power that you can depend on. The smart,  relay-based Battery Management System (BMS) supports closed-loop communication with numerous 48V hybrid inverters. Additionally, the BMS monitors and balances the voltage and temperature of each individual cell to maximize reliability and longevity.  With a slick, easy to read LCD screen, the Fortress Power eVault 18.5kWh Lithium Iron Phosphate Battery provides critical information regarding the state of your battery.

  • 98% Round trip Efficiency
  • Flexible and Scalable (up to 222kWh!!)
  • Communicates with many Hybrid Inverters
  • Lithium Iron Phosphate (LiFePO4) Chemistry
  • *5/10 Year Warranty
    • *5 year warranty applies to installs outside of the US & Canada.
  • Nominal Voltage:  51.2V
  • Voltage Range: 45V - 58.4V
  • Rated Capacity: 360Ah / 5374Wh
  • Recommended Charging Current: 100A
  • Maximum Charging Current:  170A
  • Cycle Life: 
    • 6000+ cycles
  • Discharge Rates:
    • 180A Maximum (continuous)
    • 200A for 10 seconds (pulse)
  • Charging Temperature Range: 32°F - 113°F  (0°C ~ 45°C)
  • Discharge Temperature Range: 32°F - 113°F  (0°C ~ 45°C)
  • Cell Type:  Prismatic
  • Cell Chemistry:  LiFePO4
  • Dimensions: 21.3" L x 19.2" W x 38.8" H  (546mm x 488mm x 986mm)
  • Weight: 476 lbs  (216kg)
  • Parallel Connection:  Yes, up to 12 modules
  • Series Connection: No
  • Warranty: *5/10 years
    • *5 year warranty applies to installs outside of the US & Canada.
  • Certifications:  UL1642 (cells)