All-in-One Energy Storage Cabinet

258kWh All-in-one ESS Cabinet

Stars Series 258kWh Cabinet ESS delivers safe, efficient, and scalable energy for C&I, renewables, and EV charging. It features >89% efficiency, smart EMS, liquid cooling, and dual fire protection in a compact all-in-one design.


Details

 

Applications

Commercial & Industrial (C&I) Energy Management

Peak shaving, demand charge reduction, and backup power for factories, data centers, and retail facilities.

Renewable Integration

Smoothing solar/wind power output and providing ancillary services for microgrids.

Critical Infrastructure

Uninterruptible power supply (UPS) for hospitals, telecom towers, and remote sites requiring high reliability.

EV Charging Hubs

Buffering high-power charging loads to reduce grid strain.

 

Key Highlights

High-Efficiency, Scalable Energy Storage

  • 258kWh all-in-one cabinet, compact yet powerful, with modular expansion for growing energy needs.

  • >89% efficiency, delivering more usable energy and reducing lifetime costs.

  • Space-saving design integrates cooling, electrical, and safety systems in a single enclosure.

 

Advanced Safety & Thermal Management

  • Multi-layer fire protection with real-time detection for maximum safety.

  • Smart liquid cooling keeps the system stable in extreme heat or cold.

  • Intelligent BMS continuously monitors performance, preventing failures and extending system life.

 

Grid-Ready Performance

  • Seamless grid connection, compatible with global standards and flexible voltage ranges.

  • High-power output with bidirectional PCS for both on-grid and off-grid operation.

  • Cloud-based EMS enables smart monitoring, real-time analytics, and AI optimization.

 

Product Parameters

ModelStars CL258Pro
System Parameters
Battery TypeLFP 280Ah
Rated Capacity258kWh
Cooling TypeLiquid Cooling
IP Protection LevelIP55
Corrosion-proof GradeC4H
Fire Protection SystemAerosol
Noice<75dB (1m away from the System)
Dimension(1588±10)*(1380±10)*(2450±10)mm
Weight2950±150kg
Working Temp. Range-30℃~55℃ (Derating When>45℃)
Relative Humidity Range0~ 95 % (Non-condensing)
Communication InterfaceRS485 / CAN
Communication ProtocolModbus TCP
Cycle Life≥8000
System CertificationIEC 62619,IEC 60730-1,IEC 63056,IEC/EN 61000,IEC 60529,IEC 62040 or 62477, RF/EMC, UKCA (IEC 2477-1), UKCA (CE-EMC Transfer), UN 38.3
Max. Efficiency of the System>89%
Quality Guarantee≥5 Years
EMSBuilt-in
Application ScenariosNew Energy Generating, Distributed Generating, Micro-grid ESS, EV Charge, City ESS, Industrial & Commercial ESS, etc.
DC Battery Parameters
Rated Voltage921.6V
Voltage Range720 ~ 1000V
Charge & Discharge Ratio0.5P
AC Side Parameters
Rated AC Voltage400V
Rated Output Frequency50/60Hz
Rated Power125kW
Rated Current182A
Max. AC Power150kW (60S 25℃)
AC/DC Converter
Grid-connected Certification
GB/T 34120-2017, GB/T 34133CE, EN50549-1:2019+AC.2019-04, CEI 0-21, CEI 0-16, NRS097-21-1:2017, EN50549, C10/11:2019, EN50549-1&10, G99, VDE-AR-N 4105, VDE-AR-N 4110, VDE-AR-N 4120, UNE 217002, UNE 217001, NTS631, TOR Erzeuger, NRS 097-2-1

 

 

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