125KW/261kWh Stars CL261 C&I ESS Cabinet
Key Advantages
Flagship solution with comprehensive certifications, high safety for European markets, and industry-leading low-noise performance for noise-sensitive applications.
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| Low-Noise version | Multi-Level Safety Protection |
High Efficiency & Savings
- 261 kWh capacity, 90% RTE efficiency
- 125 kW fast response charge/discharge
- Wide DC voltage range: 728~936 V
Safety & Reliability
- IP55-rated enclosure with liquid cooling
- Automatic Fluid Replenishment
- Multi-layer safety: thermal runaway, fire protection, aerosol suppression, real-time alerts
Durable & Modular
- Plug & play, 4-way forklift access
- 8,000+ cycles for long life
- Reliable in extreme temps (-35°C to 55°C)
Smart Integration
- All-in-one system with battery, BMS, AC-DC converter, thermal & fire protection, footprint reduced by 36% (1.012m x 1.380m)
- Supports Modbus, IEC104, MQTT for easy integration
Application Scenarios
The 125kW/261kWh liquid-cooled battery energy storage system (BESS) provides commercial and industrial users with an efficient and intelligent energy management solution. It is widely applicable to scenarios such as Commercial Peak Shaving, Virtual Power Plant (VPP) Integration, Critical Backup Power, and Three-Phase Load Balancing, effectively enhancing energy utilization, reducing electricity costs, and improving grid stability.
- Standard Version: Commercial & industrial sites, industrial parks, net-zero buildings, and conventional PV + ESS projects
- Low-Noise Version: Residential areas, hospitals, schools, commercial areas, office buildings, and other noise-sensitive sites
- Distribution Transformer Version: Rural distribution areas, flexible capacity expansion for urban distribution networks, and power quality improvement for industrial distribution systems
Product Parameters
| Category | Parameter | Specification |
| System Parameters | Rated Energy | 261kWh |
| Maximum Energy Efficiency | ≥90% | |
| Operating Temperature | -35℃~55℃(Derated above 45℃) | |
| Operating Humidity | 0%~95%RH(non-condensing) | |
| Depth of Discharge(DOD | 100% | |
| Auxiliary Power Supply | Self-powered/External-powered | |
| Noise Level | ≤70dB; ≤60 dB by day, as low as 45 dB at night (Low-Noise version) | |
| Maximum Cycle Life | ≥8,000 Cycles @100%DoD,EoL 70%SoH | |
| Maximum Operating Altitude | 4000m(Derated above 2000m) | |
| Thermal Management | Intelligent Liquid Cooling(with Automatic Refill) | |
| Safety Features | Pack/Module Aerosol+Module Water Mist+Top Vent+Active Alert | |
| Protection Rating | IP55 | |
| Communication Interface | LAN/RS485 | |
| Communication Protocol | Modbus/IEC104/MQTT | |
| Wiring Method | Three-phase four-wire | |
| Connection Type | On-Grid /Off Grid | |
| Standards &Certifications | IEC/EN 62619,IEC 60730-1,IEC 62477,IEC 60529, IEC 61000-6-2,IEC 61000-6-4 | |
| AC Parameters | Rated Charge/Discharge Power | 125kW |
| Rated Voltage | 400V(-15%~+15%) | |
| Rated Grid Frequency | 50Hz | |
| Power Factor | -1~1 | |
| DC Parameters | Cell Type | LFP 3.2V/314Ah |
| DC Voltage Operating Range | 728~936V | |
| DC Protection | Contactor+FUSE | |
| Mechanical Parameters | Cabinet Dimensions(W×D×H) | (1012±10)*(1380±10)*(2270±10)mm |
| Weight | ≤2 .5t | |
| Installation Method | Floor-mounted |
Future-Ready Energy Solutions with Our 125kW/261kWh Liquid-Cooled BESS
Choosing our liquid-cooled energy storage system means you’re getting more than just equipment—you’re investing in a future-ready energy solution. Our 125kW/261kWh BESS is designed to help businesses build a safe, efficient, and scalable energy infrastructure, giving you true control over energy costs and security.
By partnering with us, you gain:
- End-to-end solutions: From system design and delivery to installation and maintenance, we provide full-service support for a seamless experience.
- Cost optimization and ROI: Reduce energy expenses and boost long-term returns through peak shaving, load shifting, and improved energy efficiency.
- High reliability and stable performance: Industrial-grade design combined with intelligent monitoring ensures uninterrupted power for critical operations.
- Scalability and customization: Whether for commercial buildings, industrial facilities, or renewable energy projects, we tailor configurations to your needs with flexible expansion options.
As demand for commercial and industrial energy storage continues to rise, working with us means partnering with a trusted liquid cooling energy storage system manufacturer that supports your goals in energy independence, cost reduction, and long-term sustainability. Get in touch today to receive your customized 261kWh BESS solution.
