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520KWh 250KW/375KW Industrial & Commercial Air Cooling LiFePO4 Battery ESS Container

Combining batteries, PCS, MPPT, and diesel generator interfaces in a single pre-commissioned unit, it delivers ready-to-deploy power with minimal on-site setup.Powered by high-safety LFP cells and an intelligent BMS, the system ensures long life, precise control, and stable operation. With IP54 protection, it performs flawlessly in indoor or semi-outdoor environments. Perfect for peak shaving, micro-grids, off-grid solar, remote power, and emergency backup.

  • All-in-One, High-Performance Design
  • Rugged IP54 Protection – Reliable Anywhere
  • Micro grid Ready – Power You Can Depend On
  • Advanced Safety – Peace of Mind Built In
  • Easy Operation & Low Maintenance
  • Global Certifications & Customization
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520KWh 250KW/375KW Industrial & Commercial Air Cooling LiFePO4 Battery ESS Container
520KWh 250KW/375KW Industrial & Commercial Air Cooling LiFePO4 Battery ESS Container
520KWh 250KW/375KW Industrial & Commercial Air Cooling LiFePO4 Battery ESS Container

Product Introduction

WFS 250kW/375kW 520kWh Integrated C&I Energy Storage System maximize efficiency and reliability with WFS fully integrated industrial & commercial energy storage solution.

Equipped With Vehicle-grade Intelligent BMS

Equipped With Vehicle-grade Intelligent BMS

Equipped with a vehicle-grade intelligent BMS，our system monitors voltage, current, and temperature in real time. Six layers of active protection safeguard against overcharging, over discharging, over current, overheating, short circuits, and reverse connections. Combined with an active fire suppression system and electrical protection devices, safety and reliability are guaranteed

Easy Operation & Low Maintenance

Easy Operation & Low Maintenance

The one-cabinet-one-pipe design simplifies management. Each cabinet operates independently for quick fault detection and repair—no full-system shutdown needed. Enjoy reduced O&M costs and minimal downtime, keeping your operations running smoothly.

Communication Base Station

Communication Base Station

Widely applied in industrial and commercial applications, including peak shaving and valley filling, microgrids, off-grid PV systems, data center backup power, communication base station and emergency power supply.

Technical Data

If you have any questions during the browsing process, please feel free to contact us and communicate with us at any time.
  520kWh+250kW 520kWh+375kW
Model WFS-B520-250H35-240M2-HS1 WFS-B520-375H3S-480M4-HS1
Battery
Battery Type LiFePO4 Battery
Rated Energy 520kWh 520kWh
PV
Max.Power 240kW 480kW
Max.PV Voltage 950Vdc
MPPT Voltage Range 250~850Vdc
MPPT Channels 2  4 
AC(On- grid)
Rated Power 250kW 375kW
AC Voltage 400Vac/230Vac(L1/L2/L3/N/PE)
Rated Frequency 50Hz/60Hz
AC(Off-grid)
Rated Power 250kW 375kW
AC Voltage 400Vac/230Vac(L1/L2/L3/N/PE)
Rated Frequency 50Hz/60Hz
Switching Time <10ms
Parallel Number 4 
General Parameter
Diesel Generator Port Yes
Communication Type RS485/WiFi
IP Grade IP54
Fire Protection System Yes
Operating Temperature -10℃~50℃
Humidity Range 5%~95%
Altitude <3000m
Battery Cooling Method Air-Conditioner
PCS Cooling Method Intelligent cooling
Size(mm) 2500*2250*2400m 2500*2250*2400mm
Weight(kg) 5500kg(about) 5560kg(about)
Certification and Application Scenarios
Certification CE/UL/IEC/UN38.3/RoHS/Grid connection certification
Customized value-added services Customized capacity, interface adaptation, feature development, and system solution support
Adapt to usage scenarios Industrial and commercial peak shaving and valley filling, micro grids, off-grid photovoltaics, data center backup power, emergency power supply

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