261kWh Liquid Cooling Energy Storage Cabinet
Wenergy 261kWh Liquid-Cooled BESS – Key Advantages
The 261kWh Battery Energy Storage System (BESS) with 125kW power output provides stable and efficient support for various commercial loads. As a liquid cooling energy storage system, it ensures superior thermal management, extended battery lifespan, and consistent performance even under demanding conditions. By storing excess energy during off-peak hours and releasing it when needed, the system lowers electricity costs, enhances energy efficiency, and improves overall power reliability. Its modular design, intelligent EMS control, and comprehensive safety protection make it a flexible and future-ready choice for sustainable energy management.
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 electrolyte refilling
- Multi-layer safety: thermal runaway, fire protection, aerosol suppression, real-time alerts
Durable & Modular
- Plug & play — no civil works
- 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
- Supports Modbus, IEC104, MQTT for easy integration
261kwh Liquid Cooling Energy Storage System Application Scenarios
The 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.
- Commercial Peak Shaving
Store energy during off-peak hours and discharge during peak demand to lower electricity costs and improve efficiency. - Virtual Power Plant (VPP) Integration
Enable energy aggregation and smart grid interaction for more flexible and intelligent power management. - Critical Backup Power
Provide reliable backup power for data centers, hospitals, and other critical facilities during outages. - Three-Phase Load Balancing
Stabilize power supply, reduce voltage fluctuations, and ensure steady industrial operations.
Product Parameters
| Model | Stars CL261 |
| 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 | ≤75dB |
| Maximum Cycle Life | ≥8000 |
| 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 | UN38.3,IEC/EN 62619,IEC/EN 63056,IEC 60730-1,IEC 62477,IEC62933-5-2,IEC 60529,IEC 61000-6-2,IEC 61000-6-4,New Battery Regulation 2023/1542 |
| AC Parameters | |
| Rated Charge/Discharge Power | 125kW |
| Rated Voltage | 400V(-15%~+15%) |
| Rated Grid Frequency | 50Hz |
| Power Factor | -1~1 |
| DC Parameters | |
| CellType | LFP 3.2V/314Ah |
| DC Voltage Operating Range | 728～936V |
| DC Protection | Contactor+FUSE |
| Mechanical Parameters | |
| Cabinet Dimensions(W×D×H) | 1015*1350*2270mm |
| Weight | ≤2500kg |
| Installation Method | Floor-mounted |
Future-Ready Energy Solutions with Our 261kWh Liquid-Cooled BESS
Choosing our liquid cooling 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.
