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522KWh Battery Storage Cabinet Commercial Energy Storage Solution

522kWh Battery Cabinet | Liquid-Cooled Commercial Energy Storage System

522kWh liquid-cooled battery cabinet for commercial and industrial energy storage applications. Designed for AC-coupled ESS deployment with flexible PCS compatibility, simplified commissioning, and scalable battery architecture.

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RECREEN 522kWh Battery Storage Cabinet

High Energy Density. Compact Deployment.

More storage capacity within a smaller footprint.

Delivering 522kWh DC battery capacity, the system combines high energy density with an integrated cabinet architecture to maximize space utilization.

Its compact design helps reduce installation footprint while supporting higher energy availability for demanding applications.

Suitable for both new projects and energy system retrofits.

Optimized for Flexible System Integration

Built to work with your preferred PCS and inverter platform.

Designed as a DC battery cabinet for AC-coupled ESS architectures.

The system supports integration with multiple PCS and inverter solutions through communication protocol adaptation.

Simply provide the communication protocol for streamlined compatibility and faster project execution.

Flexible integration for:

  • Commercial ESS projects
  • Solar + Storage systems
  • EPC deployments
  • Multi-brand energy platforms
  • Retrofit applications

Liquid Cooling for Stable Performance

Advanced liquid cooling technology maintains balanced operating temperatures across battery modules.

By minimizing thermal deviation, the system helps improve:

  • battery efficiency
  • cycle performance
  • system stability
  • operational lifetime

Reliable thermal control, even under high-load operating conditions.

Safety Built from Cell to System

Multi-layer protection for safer energy storage.

Safety is embedded throughout the battery architecture.

Intelligent battery management works alongside active protection strategies to support stable operation across changing environmental and electrical conditions.

Integrated safety mechanisms include:

  • predictive battery monitoring
  • multi-stage electrical protection
  • intelligent thermal protection
  • system-level fire safety strategy

Designed to support operational confidence throughout the project lifecycle.

Simplified Installation & Faster Commissioning

Reduce onsite complexity.

The integrated cabinet design minimizes installation effort and accelerates deployment.

Pre-engineered system architecture helps simplify:

  • transportation and positioning
  • electrical connection
  • commissioning workflow
  • system expansion

Supporting faster project delivery with reduced onsite engineering workload.

Applications

  • Commercial Buildings
  • Industrial Facilities
  • Solar + Storage Projects
  • Microgrid & Backup Systems
  • Large-Scale AC-Coupled ESS Deployments

Overview

Battery Capacity
System Type
Battery Chemistry
Cooling Method
Architecture
Communication
Safety/EMC
522kWh
DC Battery Cabinet
Lfp
Liquid Cooling
AC-Coupled ESS Compatible
Protocol-based Integration
UN38.3, IEC62619, IEC63056, IEC62477-1, IEC61000-6-2/4

Description

High-Density Energy Storage for Commercial & Industrial Applications

A liquid-cooled battery cabinet engineered for scalable energy storage, simplified deployment, and long-term operational reliability.

Designed for AC-coupled energy storage systems and flexible integration across commercial and industrial projects.

Product ModelL522L261
Rated Electric 522.496kWh261.248kWh
Charge/Discharge Ratio 0.25CP/0.5CP0.5CP
Rated AC Power125kW/250kW
125kW
CellLFP-3.2-314Ah-1004.8Wh
LFP-3.2-314Ah-1004.8Wh
Pack LFP-166.4V-52.2kWhLFP-166.4V-52.2kWh
Rated DC Voltage832Vdc832Vdc
Operating Voltage Range 715~923Vdc715~923Vdc
Maximum DC Current175A/350A
200A
System Lifespan8000 time @25℃,0.5CP,95%DOD, ≥70%EOL8000 time @25℃,0.5CP,95%DOD, ≥70%EOL
Cyclic EfficiencyAC Side≥88%AC Side≥88%
BMS TopologyBidirectional active equilibriumBidirectional active equilibrium
KommunikationsschnittstelleRS485/CAN/Ethernet/MQTT
RS485/CAN/Ethernet/MQTT
HVACIntelligent liquid coolingIntelligent liquid cooling
Firetighting ProgramFire detector+gas/smoke/temperature detection+perfluorohexane
Fire detector+gas/smoke/temperature detection+perfluorohexane
Grid Voltage400vAC (Three-phase four-wire)
400Vac(Three-phase four-wire)
Rated AC Current 180A/360A
180A
Rated Grid Frequency50/60Hz50/60Hz
Isolation MethodNon-isolated
Non-Isolated
Outlet Bottom outgoing lineBottom outgoing line
Altitude≤3500m ( >2000m Derating )≤3500m(>2000m Derating)
Betriebstemperatur-20℃ ~ 50℃
-20℃ ~ 50℃
Degree of ProtectionIP55IP55
Max Configuration Weight5T 2.2T
Dimensions W*D*H1710*1200*2000mm865x1200x2200mm
Product CertificationGBT36276,GBT34131,CE,IEC62619,IEC62620,IEC62477-1,UN38.3GBT36276,GBT34131,CE,IEC62619,IEC62620,IEC62477-1,UN38.3

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