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Commercial batteryFortress Power

Fortress Power FP-SLxxxxxU001L

301.1–344.1 kWh · 150.5–172 kW · Lithium Iron Phosphate · 2 configurations

UL 1973CEC listed · Oct 23, 2023
  • Nameplate energy301.1–344.1 kWh
  • Continuous power150.5–172 kW
  • ChemistryLithium Iron Phosphate

Overview

CEC Battery List

FP-SLxxxxxU001L: 301.1–344.1 kWh nameplate energy; 150.5–172 kW continuous; lithium iron phosphate.

Models & configurations

CEC Battery List · 2 listings
ModelEnergyPowerGrid voltageRound tripCEC listed
FP-SL00301U001L301.1 kWh———Oct 23, 2023
FP-SL00344U001L344.1 kWh———Oct 23, 2023

Capacity & power

CEC Battery List

Safety listings

CEC Battery List

Sources

  1. California Energy Commission — Energy Storage System List, data as of Oct 7, 2026. Manufacturer-reported values confirmed by CEC against certificates.
  2. California Energy Commission — Battery List, data as of Oct 7, 2026.