Model |
ECO-E10FT1044LP-2 |
Battery Chemistry |
— |
Cell Capacity |
314Ah |
Pack Configuration |
1P52S |
Nominal Energy |
≥52.24kWh |
Nominal Voltage |
166.4V |
Operating Voltage Range |
145.6–187.2V |
Number of Cells |
52 |
Rated Charge Rate |
0.5P |
Rated Discharge Rate |
0.5P |
Charge Cut-off Voltage |
187.2V |
Discharge Cut-off Voltage |
145.6V |
Discharge Depth (DOD) |
95% DOD |
Cycle Life |
— |
Communication Interface |
CAN |
Protection Rating |
IP65 |
Dimensions (W × D × H) |
780 × 1140 × 245mm |
Weight |
Approx. 352kg |
Model |
ECO-E20FT2170LP-2 |
Battery Chemistry |
LFP |
Cell Capacity |
314Ah |
Pack Configuration |
1P48S |
Nominal Energy |
48.23kWh (rated condition) |
Nominal Voltage |
153.6Vdc |
Operating Voltage Range |
120–175.2Vdc |
Number of Cells |
48 |
Rated Charge Rate |
0.5P |
Rated Discharge Rate |
0.5P |
Cycle Life |
≥8000 times@75% |
Protection Rating |
IP65 |
Dimensions (W × D × H) |
804 × 1063 × 247.5mm |
Weight |
326kg |
ECO-E20FT2170LP-2
CubePal ECO-E20FT2170LP-2
-
2170.3 kWh
Battery Capacity
-
1125 kW
Rated Output Power
-
8,000+
Cycles Design Life
LIQUID-COOLED ESS CONTAINER
CUBEPAL SERIES
UN38.3
IEC63056
IEC62933
UL9540A
CE/EMC
EN50549
ECO-E10FT1044LP-2
CubePal ECO-E10FT1044LP-2
-
1044 kWh
Battery Capacity
-
500 kW
Output Power
-
<20 ms
On/Off-Grid Switching
LIQUID-COOLED ESS CONTAINER
CUBEPAL SERIES
UN38.3
IEC62619
IEC63056
UL9540A
CE/EMC
EN50549
[ SYSTEM ARCHITECTURE ]
Containerized ESS Connection Diagram
CubePal liquid-cooled ESS containers connect battery storage, PCS, EMS, PV plants, generators, grid and loads in one containerized BESS system for utility-scale storage, microgrids, peak shaving and backup power.

[ TECHNICAL PRINCIPLES ]
Why Choose a Liquid-Cooled ESS Container?
Stable Thermal Control for Containerized BESS Projects
CubePal ESS containers combine liquid cooling, forced-air auxiliary cooling, string-level battery management, PCS, EMS and fire protection in a factory-integrated containerized BESS platform for utility-scale storage, microgrids and large C&I applications.
[ DIGITAL ENERGY MANAGEMENT ]
Smart 3S Control for Containerized BESS
The BMS, EMS and PCS work together to monitor battery cells, manage string-level safety, coordinate power conversion and optimize PV, grid and generator dispatch in one liquid-cooled ESS container for utility-scale storage, microgrids and large C&I projects.
[ PRODUCT COMPOSITION ]
Core Components of Liquid-Cooled ESS Containers
CubePal ESS containers combine LiFePO4 battery packs, high-voltage control, HVAC and liquid cooling in one containerized energy storage system for utility-scale, microgrid and large C&I projects.
Battery Pack
HV Box
Auxiliary Air Cooling / HVAC
Liquid Cooling Chiller
High-Density LiFePO4 Battery Pack
Built with 314 Ah LiFePO4 cells, the modular battery pack provides high energy density, long cycle life and stable operation for containerized BESS systems. 1P52S and 1P48S configurations support flexible system design, while IP65 protection and CAN communication improve integration reliability.
View Details →
High-Voltage Control Box
The high-voltage box integrates DC power distribution, voltage monitoring, current detection and protection functions. It helps ensure safe energy transmission between battery strings, PCS and EMS in utility-scale liquid-cooled ESS container projects.
View Details →
Container Auxiliary Cooling System
The auxiliary air cooling and HVAC system supports internal container temperature control for electrical compartments, PCS areas and control units. It works with the liquid cooling loop to maintain a stable operating environment for outdoor ESS container deployment.
View Details →
Liquid Cooling System
The liquid cooling system circulates coolant through battery modules to remove heat efficiently and maintain temperature consistency during high-power charge and discharge. It supports reliable operation across wide ambient conditions for large-scale battery energy storage systems.
View Details →
Model |
ECO-E10FT1044LP-2 |
Dimensions (W × D × H) |
800 × 800 × 225mm |
Weight |
Approx. 45kg |
Power Input |
AC 220V |
Rated High-Voltage Output |
DC 832V |
High-Voltage Output Range |
DC 728V~DC 936V |
Operating Temperature |
-25~55°C |
Protection Level |
IP20 |
Model |
ECO-E20FT2170LP-2 |
Dimensions (W × D × H) |
740 × 800 × 225mm |
Weight |
Approx. 45kg |
Power Input |
AC 220V |
Rated High-Voltage Output |
DC 832V |
High-Voltage Output Range |
DC 728V~DC 936V |
Operating Temperature |
-25~55°C |
Protection Level |
IP20 |
Model |
ECO-E10FT1044LP-2 |
Dimensions, Weight & Installation |
|
Overall Dimensions (H × W × D) |
1000 × 700 × 220 mm |
Weight (Excluding Heat Transfer Fluid) |
79 kg |
Installation Method |
Door-Mounted |
Application Environment |
Outdoor |
Inlet/Outlet Pipe Connection Type |
CQC20 |
Environmental Protection & Performance |
|
Operating Ambient Temperature Range |
-30°C to +55°C |
Storage Ambient Temperature Range |
-40°C to +70°C |
Noise Level (at 1 m Distance) |
70 dB(A) |
Corrosion Protection Class |
C3M |
Enclosure Color |
Outdoor Orange-Texture Finish, RAL 7035 |
IP Protection Rating |
IPX5 |
Refrigerant |
R513A |
Heat Transfer Fluid |
50% Ethylene Glycol Aqueous Solution |
RoHS Compliance |
Yes |
Design Life |
10 years |
Air Outlet Direction |
Front Air Outlet |
Cooling / Heating Capacity |
|
Cooling Capacity @ L45/W18 |
5.0 kW |
Heating Capacity @ Tu = 10°C |
2.5 kW |
Outlet Water Temperature |
18°C |
Parameter Settings |
|
Liquid Temperature Setting Range |
10°C to 35°C (Heating Setpoint ≤ Cooling Setpoint) |
Default Cooling Setpoint |
18°C |
Default Heating Setpoint |
15°C |
Communication Protocol |
RS485 / CAN |
Circulating Water Flow |
|
Rated Circulating Water Flow Rate |
46.5 L/min |
Rated External Circulation Pump Head |
60 kPa |
Power Consumption |
|
Cooling Power Input @ L45/W18 |
2.8 kW |
Heating Power Input @ Tu = 10°C |
2.5 kW |
Self-Circulation Mode Power (Single Pump Operation) |
0.2 kW |
Maximum Power Consumption |
3.3 kW |
Power Supply |
|
Rated Operating Voltage and Frequency |
220–240 V, 50/60 Hz |
Supported Voltage and Frequency Range |
220 V ±15%, 50/60 Hz ±3% |
Maximum Operating Current |
15.8 A |
Model |
ECO-E20FT2170LP-2 |
Overall Dimensions (W × H × D) |
1200 × 440 × 2200 mm |
Weight |
≤ 550 kg |
Installation Method |
Vertical |
Application Environment |
Outdoor |
Operating Ambient Temperature |
-30 to +55°C |
Storage Ambient Temperature |
-40 to +70°C |
Unit Color |
RAL 7035 Industrial Gray |
Color Adjustment |
Can be adjusted according to customer requirements |
Air Inlet and Outlet Mode |
Side air inlet, front air outlet |
Refrigerant |
R410A |
Coolant |
50% Ethylene Glycol Aqueous Solution |
Coolant Adjustment |
Can be adjusted according to customer requirements |
Rated Cooling Capacity (@ W18°C/A45°C) |
45 kW |
Cooling Input Power (@ W18°C/A45°C) |
22 kW |
Rated Heating Capacity |
24 kW |
Rated Flow Rate |
≥ 350 L/min |
Maximum Liquid Supply Pressure |
≥ 100 kPa |
Water Connection Specifications |
φ77.5 Chuck |
Water Filling Port Specifications |
Φ18 Interface |
Power Supply System |
Three-phase AC 380V ± 10%, 50Hz |
Protection Grade |
IPX5 |
Communication Protocol |
Modbus-RTU |
Communication Interface |
RS485 |
Operating Altitude |
≤ 3000 m |
Operating Modes |
Standby Mode, Cooling Mode, Heating Mode, Self-Circulation Mode, Automatic Mode |
Factory Setting |
Automatic Mode, Outlet Water Temperature 18°C |
Anti-Corrosion Grade |
C3-H |
[ SAFETY ARCHITECTURE ]
Five-Level Safety Protection for Liquid-Cooled ESS Containers
CubePal liquid-cooled ESS containers use a multi-layer safety architecture designed for containerized BESS, utility-scale storage and large C&I energy projects. From pack-level BMS monitoring to container-level fire suppression, smoke-temperature detection and remote alarms, each protection layer helps reduce battery risk and support stable long-term operation.
Pack-Level BMS Protection
The BMS continuously monitors cell voltage, current and temperature while managing battery balancing and fault protection. This helps prevent overcharge, over-discharge, overheating and abnormal operation across battery strings.
-
Pack-Level Aerosol Fire Suppression
Each battery pack is equipped with an independent aerosol fire suppression unit, enabling fast localized response to potential thermal events before they spread to adjacent modules.
-
Cabinet-Level Aerosol Protection
A dedicated cabinet-level aerosol system provides secondary fire mitigation for the full ESS container, improving safety for utility-scale and outdoor energy storage deployments.
-
Water-Based Fire Protection
The water-based fire protection layer provides additional emergency heat control and fire mitigation, supporting safer operation for project developers, EPCs and energy storage system operators.
-
Smoke & Temperature Detection
High-sensitivity smoke and temperature sensors monitor internal container conditions in real time. Early warning signals are sent to the BMS and EMS, enabling automatic protection, alarm reporting and remote O&M.
[ STRATEGIC COMPONENT SUPPLY ]
Reliable Components for Utility-Scale ESS Container Projects
From LiFePO4 battery cells and PCS to protection, communication, HVAC and liquid cooling modules, every key component is selected to support safe and reliable containerized BESS operation for utility-scale storage, microgrids and large C&I energy projects.
[ KNOWLEDGE CENTER ]
Liquid-Cooled ESS Container FAQs
Key questions for EPCs, project developers, distributors and commercial buyers evaluating CubePal containerized BESS for utility-scale, microgrid and large C&I energy storage projects.
-
What is a Liquid-Cooled ESS Container?
A Liquid-Cooled ESS Container is a containerized battery energy storage system that integrates LFP battery modules, PCS, BMS, EMS, liquid cooling, auxiliary HVAC and fire protection inside a standard 10-ft or 20-ft container. It is designed for utility-scale storage, solar-plus-storage plants, microgrids and large C&I energy projects.
-
Why choose liquid cooling for containerized BESS?
Liquid cooling uses circulating coolant to remove heat from battery modules more efficiently than traditional air cooling. It helps reduce cell temperature differences, improve thermal stability and support long cycle life during high-power charge and discharge operation.
-
What battery technology does the CubePal ESS Container use?
CubePal liquid-cooled ESS containers use LFP battery technology with 314 Ah cells. LFP chemistry is widely used in commercial and utility-scale BESS because of its thermal stability, long service life and strong safety performance.
-
What capacities and power ratings are available?
The CubePal series includes a 10-ft 1,044 kWh / 500 kW model and a 20-ft 2,170.3 kWh / 1,125 kW model. These configurations support different project sizes, from large C&I energy management to utility-scale battery storage.
-
Can the ESS Container connect with solar PV and diesel generators?
Yes. The CubePal ESS Container supports PV inverter and diesel generator interfaces, allowing flexible integration with solar power plants, hybrid microgrids, backup power systems and renewable energy storage projects.
-
Is the Liquid-Cooled ESS Container suitable for outdoor installation?
Yes. CubePal ESS containers are designed for outdoor deployment with IP54/IP55 protection, integrated thermal management and factory-tested container construction. Final configuration should be matched to the local climate, grid code and site requirements.
-
What safety protection is included in the ESS Container?
The system combines LFP battery chemistry, string-level battery management, real-time BMS monitoring, pack-level aerosol suppression, container-level fire protection, smoke and temperature detection, and emergency protection strategies for safer operation.
-
How can I get ESS container pricing or a custom quote?
To receive liquid-cooled ESS container pricing, share your required capacity, power rating, grid voltage, PV or generator interface, backup duration and site conditions. SUNPAL ESS can provide a custom containerized BESS configuration for EPCs, project developers, distributors and large commercial buyers.
Need a Liquid-Cooled ESS Container for Your Project?
Request pricing, lead time and technical support for a custom CubePal containerized BESS solution from SUNPAL ESS.
GET A QUOTE →
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