1.2MWH-2.89MWH On-Grid Liquid Cooling BESS Container Battery Energy Storage System
The 1.2–2.89 MWh On-Grid Liquid Cooling BESS Container is a high-efficiency energy storage solution designed for grid-connected industrial and commercial applications. The pre-assembled, containerized system simplifies installation, shortens deployment time, and reduces total project cost.
Intelligent liquid cooling maintains stable battery temperatures, while a three-layer BMS ensures continuous monitoring and optimized performance. Integrated EMS supports multiple operating modes, helping you improve energy efficiency, enhance grid stability, and maximize long-term revenue.
Specification
|
Model
|
CESS
|
|
625/1205 750/1446 875/1688 1000/1929 1125/2170 1250/2411 1375/2652 1500/2893
|
|
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Application
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On-grid
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|
Battery Parameters
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|
|
Cell Type
|
LFP 3.2V/314Ah
|
|
Battery Module
|
48S1P/48.23kWh
|
|
System Configuration
|
240S5P 240S6P 240S7P 240S8P 240S9P 240S10P 240S11P 240S12P
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|
Rated Voltage
|
768V
|
|
Voltage Range
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648~864V
|
|
System Energy
|
1205.76kWh 1446.91kWh 1688.06kWh 1929.21kWh 2170.36kWh 2411.52kWh 2652.67kWh 2893.82kWh
|
|
Charge/Discharge Rate
|
0.5P
|
|
Cycle Life
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7000
|
|
AC Output Parameters
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|
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Rated Power
|
625kW 750kW 875kW 1000kW 1125kW 1250kW 1375kW 1500kW
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|
Rated Voltage
|
400V
|
|
Rated Current
|
181A*5 181A*6 181A*7 181A*8 181A*9 181A*10 181A*11 181A*12
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|
Operating Frequency
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50Hz/60Hz
|
|
Power Factor
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0.9Leading~0.9Lagging
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|
System Parameters
|
|
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System Efficiency
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88%
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Thermal Management
|
Liquid-cooled
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Fire Protection System
|
Aerosol/Perfluorohexanone
|
|
Operating Temperature
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-20~+55℃ (＞45℃ Derating)
|
|
Operating Humidity
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0~95% (Non-condensing)
|
|
Operating Noise
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≤75 dB(A) @3 m
|
|
Max. Operating Altitude
|
4000m (＞2000m Derating)
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Ingress Protection
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IP54
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Communication Method
|
Ethernet
|
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Weight
|
17T 21T 23T 24T 25T 26T 28T 30T
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Dimensions(L*W*H)
|
6058*2438*2896mm
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|
Certification Standards
|
UN38.3,MSDS,IEC 62619,EN 62477,IEC 62933-5-2,EN IEC 61000-6-2/4,G99,VDE-AR-N
4105,VDE-AR-N 4110/4120,EN 50549-1/10,EN 50549-2/10,C10/11,NRS 097-2-1,IEC 62116/IEC
61727,TOR,UNE 217001,UNE 217002,NTS 631-A,NTS 631-B
|
Core parameter range
Energy Storage Capacity: 1.2 MWh - 2.89 MWh
Type: Grid-tied
Cooling Method: Liquid Cooling
Enclosure Type: Containerized
Fire protection system configuration
| Fire Protection Type | Features | Applicable Scenarios |
|---|---|---|
| Aerosol | Clean, no residue | Sealed spaces |
| Dry Powder | Environmental protection, good insulation | High-value equipment |
| Gas (e.g., IG-541) | Small volume, long storage time | Tight spaces |
| Water Mist / Ultra-Fine Water Mist | Good cooling effect | Scenarios requiring temperature control |
System Structure and Components
Battery Module
- Each module consists of several battery cells.
- The battery cells and battery pack have multiple layers of protection.
- Utilizes lithium iron phosphate (LiFePO4) battery material to ensure stable and long-lasting energy.
01
Liquid Cooling System
- Liquid cooling plate, piping, pump, and heat exchanger
- Temperature sensors integrated with BMS for control and regulation
02
Inverter/Power Conversion System
- Converts direct current (DC) to alternating current (AC) for grid connection.
- Supports bidirectional power flow (charging and discharging).
03
Control System
- BMS + EMS (Energy Management System)
- Energy scheduling, SOC management, power balancing
04
Container enclosure
Standard 20-foot / 40-foot container
Rainproof, dustproof, and fire-resistant ratings are customizable
Movable or fixed installation
05
Capacity configuration plan
1.2 MWh Configuration Example:
- Number of battery clusters: 10 clusters
- Capacity per cluster: 120 kWh
- Voltage per cluster: 768V (240S1P)
- PCS power: 500 kW
2.89 MWh Configuration Example:
- Number of battery clusters: 20 clusters
- Capacity per cluster: 145 kWh
- Voltage per cluster: 1024V (320S1P)
- PCS power: 1.25 MW
Why choose us?
High Power Density: Liquid cooling systems significantly increase power density.
Modular Expansion: Capacity and power can be adjusted according to demand.
Long Lifespan and Low Degradation: Supports years of cyclic use with low maintenance costs.
Convenient Transportation and Installation: Standard container design for rapid deployment.
Multiple Application Scenarios: Photovoltaic regulation, load peak shaving, backup power, microgrids, etc.
Intelligent Monitoring: Remote monitoring, data acquisition, and early warning management.
Liquid cooling vs. air cooling comparison
| Comparison Item | Liquid Cooling System | Air Cooling System |
|---|---|---|
| Heat Dissipation Efficiency | High (larger heat dissipation capacity) | Medium |
| Temperature Uniformity | ±2°C | ±5°C |
| Noise Level | Low (<65dB) | High (>75dB) |
| Energy Consumption | Relatively low | Relatively high |
| System Volume | Compact | Larger |
| Battery Life | Extended 10-20% | Best |
| Initial Cost | Relatively high | Relatively low |
| Maintenance Complexity | Medium | Low |
System cost breakdown
████████████████████████████ Battery System 55%
████████████ PCS System 20%
██████ Thermal Management System 10%
████ BMS System 5%
███ Integration/Container 5%
██ Other (Fire Protection/Monitoring, etc.) 5%
Application Scenarios
Grid-tied energy storage
Renewable energy regulation
Microgrid and off-grid backup power
Peak shaving and load shifting
Technological development trends
| Trend | Description |
|---|---|
| Large Capacity | Single container capacity developing towards 5MWh+ |
| High Voltage | 1500V system becoming mainstream |
| Intelligence | AI optimization, predictive maintenance |
| Modularization | Plug-and-play, rapid deployment |
| Long Life | 10000+ cycles becoming the target |
Thanks to its mature liquid cooling technology, intelligent monitoring, and modular design, this BESS system not only meets current power grid and industrial application needs but also provides reliable support for future capacity upgrades and energy optimization, helping companies achieve their sustainable energy management goals.
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