261kWh Liquid-Cooled Commercial Battery Energy Storage System

Product Features

  • 1.4 m² footprint for easy transport and fast installation
  • 261 kWh in a single cabinet with high energy density
  • Liquid cooling for stable temperatures and lower energy loss
  • PACK-level fire protection with early warning and aerosol suppression
  • Scalable design with parallel expansion and flexible grid connection

261kWh Liquid-Cooled Energy Storage Cabinet Overview

Designed for commercial and industrial energy storage, this 261kWh liquid-cooled battery cabinet is built for real-world applications—office parks, factories, logistics hubs, and large commercial sites.

Each cabinet uses an independent liquid cooling control system with an optimized thermal management strategy. The result is a cell temperature difference of less than 3°C across the entire cabinet, improving battery consistency and extending cell life.

Its modular, all-in-one design allows flexible parallel deployment while delivering higher energy density in a compact footprint. This makes commercial energy storage projects safer, more cost-effective, and easier to deploy.Designed for commercial and industrial energy storage applications, this system supports a wide range of commercial energy storage systems used across the U.S.

Key Features of the 261kWh Liquid-Cooled Energy Storage Cabinet

Compact Footprint
Occupies only 1.4 m², making transportation, site planning, and installation faster and easier.

High Energy Density
Up to 261kWh per cabinet, delivering long runtime in a single, fully integrated unit.

Advanced Liquid Cooling
Precision-designed cooling channels ensure accurate temperature control, stable cell performance, and lower auxiliary power consumption.

Long Cycle Life
Rated for 8,000+ charge cycles, helping maximize system ROI over the full project lifespan.

Flexible Scalability
Supports seamless cabinet parallelization and multiple grid connection modes to match different project requirements.

BESS fire suppression system diagram showing battery pack exploded view with aerosol device BMU sampling circuit pressure relief valve and cabinet safety components including smoke sensor temperature sensor fire hose connector

Built-In Safety Protection
PACK-level fire detection and an integrated aerosol fire suppression system help prevent thermal runaway and stop heat propagation at the source.

Applications for 261kWh Liquid-Cooled Commercial Energy Storage

This liquid-cooled energy storage cabinet is well suited for a wide range of commercial and industrial use cases.

Commercial Buildings & Office Parking Facilities

Store low-cost electricity during off-peak hours and discharge during peak demand to reduce energy bills. The system can also serve as backup power during outages, helping maintain business continuity.

Manufacturing Plants & Logistics Parks

Reduce dependence on the grid during peak load periods, optimize energy costs, and increase the use of renewable power while keeping operations stable and reliable.

Data Centers

Provides dependable backup power to support critical systems and reduce the risk of data loss caused by unexpected power interruptions.

Distributed Energy Systems

Ideal for solar-plus-storage projects. Helps balance day-night power fluctuations, improve renewable energy utilization, and support long-term sustainability goals.

Urban Public EV Charging Stations

Eases grid pressure during charging peak hours. When paired with smart charging management, it enables more efficient energy dispatch and lower operating costs.

Specifications

 DC Battery Parameters
Cell TypeLFP/314 Ah
Battery Pack Configuration52.2 kwh/1P52S
Pack Protection RatingIP65
Battery System Configuration261.25kwh/1P260S
Rated System Voltage832Vdc
Voltage Range728~936Vdc
AC Side Parameters
Rated AC Power125kW
Maximum AC Power137kW
AC Current Total Harmonic Distortion (THDi)≤3%
DC Injection (DC Component)<0.5%Ipn
Rated Grid Voltage400Vac/3P+N+PE
Adjustable Power Factor Range-1~1
Rated Grid Frequency50Hz/60Hz
System Parameters
Maximum System Efficiency89%
Charge/Discharge Rate (C-rate)0.5P
Depth of Discharge (DoD)95%
Cycle Life≥ 8,000 cycles
Communication Interfaces<100ms
Protection RatingEthernet /RS485
Cooling MethodIP55
Operating TemperatureLiquid cooling+Forced air cooling
Relative Humidity0~95% RH (non-condensing)
Noise Level≤75dB
Altitude3000m (Derating above 2000m)
Fire Protection SystemSmoke/Heat Detection + Aerosol (Pack-level & Cluster-level) + Water Fire Suppression
System Dimensions (W × D × H)1050*1350*2400mm
Weight2620kg
Compliance StandardsGB/T 36276、GB/T 34120、GB/T 34131 UN38.3、IEC62477、IEC61000、IEC62619、IEC63056、UL9540A 、EN50549

Product FAQs

A 261kWh liquid-cooled energy storage cabinet is a fully integrated battery system designed for commercial and industrial use. It combines battery modules, liquid cooling, fire protection, and control systems in a single cabinet to deliver stable, high-density energy storage with precise temperature control.

Liquid cooling provides more accurate temperature control and keeps cell temperature differences within a much smaller range. This improves battery consistency, extends cycle life, and reduces performance degradation over time—especially in high-load or high-temperature environments.

Yes. This 261kWh liquid-cooled cabinet is designed specifically for commercial and industrial energy storage projects, including office buildings, factories, logistics parks, EV charging stations, and data centers.

Yes. The system supports seamless parallel connection of multiple cabinets, allowing the total capacity to scale based on project size. This modular design makes it easy to expand the energy storage system as demand grows.

The cabinet includes PACK-level fire detection, early thermal warning, and an integrated aerosol fire suppression system. These features help prevent thermal runaway and limit heat propagation within the cabinet.

Yes. The 261kWh liquid-cooled energy storage cabinet is ideal for solar-plus-storage and other distributed energy systems. It helps balance power generation and consumption while improving renewable energy utilization.

The liquid cooling system is designed for low maintenance. Routine inspections focus on coolant status, system diagnostics, and standard electrical checks, helping reduce long-term operating and maintenance costs.

Safety & Reliability You Can Trust

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About Battery Energy Storage System(BESS)

Commercial and Industrial Battery Energy Storage Systems (C&I BESS) are designed to help businesses manage energy more efficiently and maintain stable power supply. These systems store electricity and discharge it during peak demand or grid instability, providing fast, clean, and reliable energy support for daily operations.

Why Commercial & Industrial Energy Storage Matters

Battery energy storage enables peak shaving and load shifting, helping businesses reduce electricity costs and demand charges. It also delivers reliable backup power during outages, protecting critical equipment and minimizing downtime. When integrated with solar or other renewable sources, C&I BESS improves energy utilization and reduces dependence on diesel generators.

Due to higher power demand and system requirements, commercial and industrial energy storage is typically deployed in factories, logistics centers, EV charging hubs, commercial buildings, data centers, and solar-plus-storage projects where stable, scalable, and high-availability power is essential.

AnengJi provides scalable commercial and industrial battery energy storage solutions with flexible capacity configurations and seamless integration into existing energy systems. Designed for long-term reliability and easy deployment, our C&I BESS helps businesses lower operating costs, enhance energy resilience, and support sustainable growth.

Battery Energy Storage System Delivery, Installation & Commissioning

From factory delivery to on-site commissioning, every BESS project is supported by our experienced engineering team.

We provide dedicated local service support across Europe, ensuring fast response and minimal downtime. In key regions, our engineers can arrive on-site within 8 hours, with emergency response available in as fast as 2 hours.

Our team is committed to resolving issues efficiently on-site, ensuring your energy storage system operates safely, reliably, and without unnecessary delays.

packaged BESS battery storage containers stored in warehouse ready for shipment

Warehouse Storage

forklift loading battery energy storage container into transport truck for delivery

Loading & Transportation

workers handling and positioning BESS container inside warehouse before transportation

On-site Handling

workers unpacking battery energy storage container at project installation site

Unpacking

installation of battery energy storage system with electrical cabling and system setup

Installation

engineers performing commissioning and final testing of battery energy storage system before delivery

System Commissioning

Battery Energy Storage System Delivery, Installation & Commissioning

From factory delivery to on-site commissioning, every BESS project is supported by our experienced engineering team.

We provide dedicated local service support across Europe, ensuring fast response and minimal downtime. In key regions, our engineers can arrive on-site within 8 hours, with emergency response available in as fast as 2 hours.

Our team is committed to resolving issues efficiently on-site, ensuring your energy storage system operates safely, reliably, and without unnecessary delays.

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Talk to a Charging Expert

We’re here to help you build a more efficient and resilient energy future—without unnecessary operating costs. Every battery energy storage system we deliver meets strict international standards, including CE, CB, TUV, UL, IEC, and RoHS. Safe, stable, and engineered for long-term performance.

Our energy storage specialists work with you to design the right C&I BESS solution for your project. Whether you’re deploying storage for factories, commercial buildings, EV charging hubs, microgrids, or solar-plus-storage systems, we support you through system sizing, energy strategy planning, and deployment options.

Have questions? Contact us by phone or email, or simply fill out the form on the right. Our team will respond within 24 hours with free professional consultation and technical support.

info@energysplendor.com

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