Industrial / Commercial ESS

EFOI-S250KW-B (US Standard)

These systems meet the demands of high-load or high-impact industrial applications including construction, manufacturing, and mining. They are widely utilized for temporary power needs and emergency power supply.


  • All-In-One Modular Design
  • Plug & Play
  • Rapid Deployment
  • Adapt to Various Environments
  • Integrated Alert & Warning System
  • Up to 4 Sets Parallel


Rated Power150 kW
Max. Rated / Apparent Power250 kW / 250 kVA
Rated Voltage480 V (±15%)
Rated Current301 A
Grid Frequency60 Hz
AC Connection3 W + N
THDI≤ 3%
Power Factor-1 ~ +1