Integrated Design 261KWh 125KW Liquid Cooled ESS Cabinet Supplier
Integrated Design 261KWh 125KW Liquid Cooled ESS Cabinet Supplier

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Integrated Design 261KWh 125KW Liquid Cooled ESS Cabinet Supplier

The ESS Cabinet features advanced pack-level liquid cooling and temperature balancing, maintaining cell temperature differences within 3 °C. This enhances cell temperature consistency and extends battery life. Its modular design enables flexible parallel configurations and higher energy density, significantly improving the costeffectiveness, safety, and installation convenience of ESS projects.

Battery Cell Type:

 LFP / 314 Ah

System Configuration:

 261 kWh / 1P260S

Battery Cycle Life:

 ≥ 8,000 cycles

Dimensions (W*D*H):

 1,050*1,350*2,400 mm

Weight:

 2,600 kg
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Note: Please read the safety and installation manual before using the product. We reserve the right of final interpretation.

The specifications in this datasheet are subject to change without notice.

Features

Compact

  • 1.4m² footprint only easy transportation & fast installation.

High Integration

  • 261kWh energy in one cabinet with remarkable endurance.

Eficient Cooling

  • Optimal in-PACK duct design achieve high - eficient cooling and low energy consumption.

Long Cycle Life

  • Over 8,000 times cycle life excellent performance of batery system.

Flexible Expansion

  • Modular design, simplified parallel expansion.

Ultimate Safety

  • In-PACK fire warning and protection with aerosol prevent heat difusion and runaway.

Product Description

DC Side
Cell TypeLFP / 314 Ah
Pack Configuration52.2 kWh / 1P52S
System Configuration261 kWh / 1P260S
Rated DC Voltage832 V
DC Voltage Range728 ~ 936 V
Max. Charge/Discharge Rate0.5 P
Max. Depth of Discharge100% (25 ± 2°C)
AC Side
Rated Output Power125 kW
Rated AC Voltage400 V
AC Voltage Range±15%
Grid Type3W+N+PE
Rated Frequency50 Hz / 60 Hz
Power Factor0.99 / -1 ~ +1
THDi≤3%
DC Ratio＜0.5% Ipn
General
Max. Round Trip Efficiency89%
Cycle Life≥8,000 cycles
CommunicationModbus TCP/IP
Fire Suppression SystemAerosol
Ingress RatingIP55
CoolingLiquid cooling + Forced air cooling
Operating Temperature-25°C~55°C (Derating after 45°C)
Anticorrosion RatingC4 (C5 optional)
Humidity0~95% RH (non-condensing)
Noise≤75 dB
Altitude3000m (Derating above 2000m)
Dimensions (WDH)1,0501,3502,400 mm
Weight2,600 kg
Safety/EMCUN38.3, IEC62619, IEC63056, IEC62477-1, IEC61000-6-2/4, UL9540A
Grid codeEN50549-1/-2, EN50549-2/-1, G99, VDE4105, NRS097, C10/11, CEI0-21, CEI0-16

Applications

The 261kWh 125kW Liquid Cooled ESS Cabinet is designed for a wide range of commercial and industrial energy storage applications.

Commercial & Industrial Facilities

Ideal for factories, warehouses, office buildings, and industrial parks. The system reduces electricity costs through peak shaving and load shifting while ensuring stable and uninterrupted power supply.

Solar PV Energy Storage Systems

Perfect for solar + storage projects. The system stores excess solar energy during the day and releases it at night, improving solar utilization and increasing ROI for renewable energy projects.

EV Charging Stations

Provides stable power support for fast EV charging infrastructure, reducing grid impact and avoiding costly transformer upgrades through intelligent energy buffering.

Microgrids & Remote Energy Systems

Suitable for microgrid applications in remote areas, islands, or weak grid regions. It ensures reliable power supply and seamless integration of solar, diesel, and grid power sources.

Critical Power Backup

Used in hospitals, telecom stations, and data centers, the system delivers fast-response backup power to ensure uninterrupted operation during grid outages.

Why Choose This ESS Cabinet?

As a supplier-grade commercial energy storage solution, this 261kWh 125kW Liquid Cooled ESS Cabinet is designed for EPC companies, distributors, and project developers who need:

  • High reliability
  • Fast deployment
  • Scalable architecture
  • Strong thermal performance
  • Long cycle life
  • Competitive cost per kWh

It is an ideal solution for commercial battery energy storage system projects, solar storage integration, and industrial energy optimization applications.

FAQs

1. What makes the 261kWh 125kW ESS cabinet suitable for commercial projects?

The 261kWh capacity and 125kW output provide an ideal balance between energy storage and power delivery, making the system suitable for factories, office buildings, retail centers, and solar storage applications.

2. Does the system support remote energy management?

Yes. With Modbus TCP/IP communication, the ESS can connect to EMS platforms for remote monitoring, fault diagnosis, and intelligent energy scheduling.

3. Is the ESS cabinet safe for outdoor installation?

Yes. The cabinet features IP55 protection and multiple safety certifications, making it suitable for outdoor industrial and commercial environments.

4. What industries typically use 261kWh 125kW ESS systems?

The system is widely used in manufacturing plants, solar farms, logistics parks, shopping centers, telecom sites, and EV charging stations.

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