289kWh IP55 ESS Cabinet Energy Storage System
Key Highlights
Robust Safety Architecture
- Four layers of protection – from cells to the full system – ensure maximum safety.
- Early warning & suppression systems minimize fire risks and protect people on-site.
- Explosion-proof design adds an extra layer of confidence for operators.
High-Efficiency Modular Design
- Flexible capacity: modular packs allow easy scaling to meet different project sizes.
- Smart thermal management keeps performance stable from -30°C to 55°C.
- High efficiency means more usable energy and lower lifecycle costs.
Industrial-Grade Reliability
- Built to endure: resistant to dust, humidity, and high altitudes.
- Certified to global standards, ensuring compliance for international projects.
- Long-lasting performance designed for demanding commercial and industrial use.
Applications
Commercial & Industrial (C&I) Energy Management
Peak shaving, demand charge reduction, and backup power for factories, data centers, and retail facilities.
Renewable Integration
Stabilizing 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-altitude operation (up to 4,500m with derating).
EV Charging Buffering
Mitigating grid strain at high-power charging stations.
Product Parameters
| Model | Stars CL289Pro |
| System Parameters | |
| Battery Type | LFP 314Ah |
| Rated Capacity | 289kWh |
| Cooling Type | Liquid Cooling |
| IP Protection Level | IP55 |
| Corrosion-proof Grade | C4H |
| Fire Protection System | Aerosol |
| Noice | ＜75dB (1m away from the System) |
| Dimension | (1588±10)*(1380±10)*(2450±10)mm |
| Weight | 3050±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 |
System Composition
The system consists of a battery system (6 PACKs), a high-voltage box PDU, an energy storage converter PCS, a liquid cooling unit, a fire protection system, an EMS, etc. The system has an external communication function, which can transmit data to the supporting HMI, EMS, fire protection and other equipment, and can operate safely and stably for a long time.
System Layout Instructions
| Name | |
| A | Main circuit breaker |
| B | PCS |
| C | Liquid cooling system |
| D | Fire extinguishing system |
| E | Battery pack |
| F | PDU |
| G | EMS |
| H | Emergency button |
| I | Display |
| J | Indicator |
| K | Smoke detector |
| L | Temperature detector |
| M | Fan |
| N | Fan controller |
Successful Cases
● Germany Photovoltaic + Energy Storage Project
System Configuration:
20 kWp PV
258 kWh Star Series Energy Storage Cabinet
Benefits：
Daylight powers loads, excess charges storage.
Low sunlight uses both solar and storage.
Grid supplements storage ＜ 80% SOC at night.
● China Energy Storage Project
Scale：1.44MW / 3.096MWh
System Configuration：12*258kWh ESS Cabinet Connected to 10/0.4kV-2500kVA Transformer
Benefits：
Est. Total Discharge: 998.998 MWh
System Efficiency: 88%
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