Cali-GrafCali-Graf
For pros Sign in
48.2 kWh
Commercial energy storage systemFortress Power

Fortress Power eBoost DC Energy Storage System xx P3

48.2 kWh · 38.4 kW · Lithium Iron Phosphate

UL 9540CEC listed · Dec 22, 2025
  • Nameplate energy48.2 kWh
  • Continuous power38.4 kW
  • ChemistryLithium Iron Phosphate

Overview

CEC Energy Storage System List

eBoost DC Energy Storage System xx P3: 48.2 kWh nameplate energy; 38.4 kW continuous; lithium iron phosphate.

Capacity & power

CEC Energy Storage System List

Safety listings

CEC Energy Storage System List
UL 9540 certifies the whole storage system; UL 9540A is the fire-propagation test that fire codes ask for indoors and near walls.

California grid & code compliance

CEC Energy Storage System List

Questions & answers

How much energy does the Fortress Power eBoost DC Energy Storage System xx P3 store?

48.2 kWh nameplate, per the California Energy Commission list.

Is the eBoost DC Energy Storage System xx P3 UL 9540 certified?

Yes — the CEC list shows UL 9540 certification (certified by intertek).

Sources

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