All-in-one ESS Cabinet

258kWh Stars Series Cabinet ESS

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

  • Modular Energy Cluster: 6 × 43kWh battery packs in series form a 258kWh rated capacity system, designed for parallel expansion to meet scalable energy demands .
  • Optimized Energy Utilization: Achieves >89% round-trip efficiency with intelligent BMS management, ensuring minimal energy loss during charge/discharge cycles .
  • Compact Industrial Design: All-in-one IP54-rated cabinet (1,588 × 1,380 × 2,450 mm) integrates thermal, electrical, and safety systems for space-efficient deployment .

 

Advanced Safety & Thermal Management

  • Dual Fire Suppression: Pack-level (144g aerosol/2m³) and cabinet-level (300g aerosol/3m³) protection with 5-in-1 detection(temperature/smoke/H₂/CO).
  • Intelligent Liquid Cooling: Maintains optimal battery temperature (-15°C to 55°C) via 8kW cooling capacity(R134a refrigerant) and 60L/min flow rate.
  • Two-Tier BMS: Real-time monitoring (±0.5% voltage accuracy) with safeguards against overcharge, short circuit, and insulation faults.

 

Grid-Ready Performance

  • Wide Voltage Range: DC side 720–1,000V, AC side 300–460V, compatible with global grid standards.
  • High Power Output125kW rated(150kW peak) bidirectional PCS, supporting three-phase four-wire
  • Smart EMS Integration: Cloud-enabled energy management with Modbus TCP/CAN2.0protocols for real-time data analytics and AI-driven optimization.

 

 

Product Parameters

Model Star 258
System Parameters
Battery Type LFP 280Ah
Rated Capacity 258kWh
Cooling Type Liquid Cooling
IP Protection Level IP54
Corrosion-proof Grade C4H
Fire Protection System Perfluoro / HFC-227ea (Optional)
Noice <75dB (1m away from the System)
Dimension (1588±10)*(1380±10)*(2450±10)mm
Weight 2950±150kg
Working Temp. Range -30℃~55℃ (Derating When>45℃)
Relative Humidity Range 0~ 95 % (Non-condensing)
Communication Interface RS485 / CAN
Communication Protocol Modbus TCP
Cycle Life ≥8000
System Certification IEC 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
EMS Built-in
Application Scenarios New Energy Generating, Distributed Generating, Micro-grid ESS, EV Charge, City ESS, Industrial & Commercial ESS, etc.
DC Battery Parameters
Rated Voltage 921.6V
Voltage Range 720 ~ 1000V
Charge & Discharge Ratio 0.5P
AC Side Parameters
Rated AC Voltage 400V
Rated Output Frequency 50/60Hz
Rated Power 125kW
Rated Current 182A
Max. AC Power 150kW (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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