| Battery Cell Type: | LFP / 314 Ah |
| System Configuration: | 261 kWh / 1P260S |
| Battery Cycle Life: | ≥ 8,000 cycles |
| Dimensions (W*D*H): | 1,050*1,350*2,400 mm |
| Weight: | 2,600 kg |
Supplier 261KWh 125KW Liquid Cooled ESS Cabinet Integrated Design
The ESS Cabinet features advanced pack-level liquid cooling and temperature balancing, maintaining cell temperature differences within 3 °C. This enhances cell temperature consistency and extends battery life. Its modular design enables flexible parallel configurations and higher energy density, significantly improving the costeffectiveness, safety, and installation convenience of ESS projects.
Note: Please read the safety and installation manual before using the product. We reserve the right of final interpretation.
The specifications in this datasheet are subject to change without notice.
Features
Compact
- 1.4m² footprint only easy transportation & fast installation.
High Integration
- 261kWh energy in one cabinet with remarkable endurance.
Eficient Cooling
- Optimal in-PACK duct design achieve high - eficient cooling and low energy consumption.
Long Cycle Life
- Over 8,000 times cycle life excellent performance of batery system.
Flexible Expansion
- Modular design, simplified parallel expansion.
Ultimate Safety
- In-PACK fire warning and protection with aerosol prevent heat difusion and runaway.
Product Description
| DC Side | |
| Cell Type | LFP / 314 Ah |
| Pack Configuration | 52.2 kWh / 1P52S |
| System Configuration | 261 kWh / 1P260S |
| Rated DC Voltage | 832 V |
| DC Voltage Range | 728 ~ 936 V |
| Max. Charge/Discharge Rate | 0.5 P |
| Max. Depth of Discharge | 100% (25 ± 2°C) |
| AC Side | |
| Rated Output Power | 125 kW |
| Rated AC Voltage | 400 V |
| AC Voltage Range | ±15% |
| Grid Type | 3W+N+PE |
| Rated Frequency | 50 Hz / 60 Hz |
| Power Factor | 0.99 / -1 ~ +1 |
| THDi | ≤3% |
| DC Ratio | <0.5% Ipn |
| General | |
| Max. Round Trip Efficiency | 89% |
| Cycle Life | ≥8,000 cycles |
| Communication | Modbus TCP/IP |
| Fire Suppression System | Aerosol |
| Ingress Rating | IP55 |
| Cooling | Liquid cooling + Forced air cooling |
| Operating Temperature | -25°C~55°C (Derating after 45°C) |
| Anticorrosion Rating | C4 (C5 optional) |
| Humidity | 0~95% RH (non-condensing) |
| Noise | ≤75 dB |
| Altitude | 3000m (Derating above 2000m) |
| Dimensions (WDH) | 1,0501,3502,400 mm |
| Weight | 2,600 kg |
| Safety/EMC | UN38.3, IEC62619, IEC63056, IEC62477-1, IEC61000-6-2/4, UL9540A |
| Grid code | EN50549-1/-2, EN50549-2/-1, G99, VDE4105, NRS097, C10/11, CEI0-21, CEI0-16 |
FAQs
1. What makes the 261kWh 125kW ESS cabinet suitable for commercial projects?
The 261kWh capacity and 125kW output provide an ideal balance between energy storage and power delivery, making the system suitable for factories, office buildings, retail centers, and solar storage applications.
2. Does the system support remote energy management?
Yes. With Modbus TCP/IP communication, the ESS can connect to EMS platforms for remote monitoring, fault diagnosis, and intelligent energy scheduling.
3. Is the ESS cabinet safe for outdoor installation?
Yes. The cabinet features IP55 protection and multiple safety certifications, making it suitable for outdoor industrial and commercial environments.
4. What industries typically use 261kWh 125kW ESS systems?
The system is widely used in manufacturing plants, solar farms, logistics parks, shopping centers, telecom sites, and EV charging stations.





