Model |
ECO-B10FT723LP-2N |
Nominal Energy |
≥48.23kWh |
Rated Voltage |
153.6V |
Battery Module Capacity |
314Ah |
Number of Battery Cells |
48 |
Cell Series-Parallel Mode |
1P48S |
Rated Charge Power / Rate |
0.5P |
Rated Discharge Power / Rate |
0.5P |
Charge Cut-off Voltage |
172.8V |
Discharge Cut-off Voltage |
134.4V |
Depth of Discharge (DoD) |
95% DOD |
Cell Voltage Range |
2.8–3.6V |
Product Dimensions (W × D × H) |
800 × 1063 × 247.5mm |
Communication Interface |
CAN |
Protection Rating |
IP65 |
Product Weight |
Approx. 326kg |
Model |
ECO-B20FT5015LP-2N |
Nominal Energy |
104.499kWh |
Rated Voltage |
DC332.8V |
Voltage Range |
DC291.2 ~ 374.4V |
Number of Battery Cells |
104 |
Cell Series-Parallel Mode |
1P104S |
Rated Charge Power / Rate |
0.5P |
Rated Discharge Power / Rate |
0.5P |
Cell Voltage Range |
Cell voltage 2.8V ~ 3.6V |
Product Dimensions (W × D × H) |
790 × 2180 × 249mm |
Communication Interface |
CAN |
Fire Protection Method |
Aerosol |
Protection Rating |
IP65 |
Product Weight |
Approx. 690kg |
ECO-B20FT5015LP-2N
CubePal ECO-B20FT5015LP-2N
-
5015 kWh
Storage Capacity
-
100%
DoD Usable Energy
-
8,000+
Cycles Battery Life
LIQUID-COOLED BATTERY CONTAINER
CUBEPAL SERIES
UN3536
IEC62619
IEC63056
IEC62477-1
IEC61000-6-2/4
ECO-B10FT723LP-2N
CubePal ECO-B10FT723LP-2N
-
723 kWh
Energy Capacity
-
375 kW
Rated Power
-
≥88%
Conversion Efficiency
LIQUID-COOLED BATTERY CONTAINER
CUBEPAL SERIES
UN3536
IEC62619
IEC63056
UL9540A
IEC62477
IEC61000
[ SYSTEM ARCHITECTURE ]
Typical Connection for Liquid-cooled Battery Container Systems
CubePal liquid-cooled battery containers can be integrated with solar PV, wind power, PCS, transformers, EMS, generators, and utility grids to build complete containerized BESS solutions. The modular design supports EPC projects, wholesale distribution, and scalable deployment for commercial, industrial, and utility-scale energy storage with optimized system cost and reliable power control.

[ TECHNICAL PRINCIPLES ]
Why Choose a Liquid-cooled Battery Container?
Precision Thermal Control for High-capacity BESS Projects
A liquid-cooled battery container uses circulating coolant to transfer heat away from LFP battery modules more evenly than traditional air cooling. By keeping cell temperature differences within a tighter range, SUNPAL ESS containerized BESS helps improve battery consistency, reduce auxiliary power consumption, lower operating noise, and support long-term safety for C&I and utility-scale energy storage projects. It is a practical choice for EPC contractors, distributors, and wholesale buyers looking for stable performance and optimized ESS lifecycle cost.
[ DIGITAL ENERGY MANAGEMENT ]
3S Intelligent Control for Liquid-cooled BESS Containers
SUNPAL ESS liquid-cooled battery containers integrate BMS, EMS, and optional external PCS into a coordinated 3S architecture for safer battery operation and smarter energy dispatch. The three-tier BMS monitors battery cells, modules, and system-level status in real time, while EMS optimizes charging, discharging, peak shaving, backup power, and renewable energy integration for C&I and utility-scale ESS projects.
[ PRODUCT COMPOSITION ]
Core Components of Liquid-cooled Battery Containers
SUNPAL ESS liquid-cooled battery containers combine LFP battery packs, high-voltage control, air-cooled auxiliary systems, and intelligent liquid cooling into one containerized BESS platform. The integrated design helps EPCs, distributors, and wholesale buyers achieve stable performance, safer power distribution, faster deployment, and optimized energy storage system cost.
Battery Pack
HV Box
Air-cooled AC
Liquid Cooling Chiller
314Ah LiFePO4 Battery Pack
Built with Grade-A 314Ah LiFePO4 cells, the modular battery pack delivers high energy density, stable cycling performance, and real-time battery monitoring. Its protected pack structure supports long-term operation in C&I and utility-scale battery energy storage projects.
View Details →
High-voltage Control Box
The HV box manages DC power distribution, voltage/current monitoring, insulation protection, and system-level safety control. It enables reliable energy transmission between battery packs and PCS for high-voltage liquid-cooled ESS container applications.
View Details →
Auxiliary Air Cooling Unit
The air-cooled AC system supports electrical compartment temperature control and auxiliary equipment protection. It helps maintain stable operation for PCS, EMS, and control components inside containerized energy storage systems.
View Details →
Intelligent Liquid Cooling Chiller
The liquid cooling chiller uses circulating coolant and variable-frequency control to remove battery heat efficiently. By reducing cell temperature differences, it improves battery consistency, system efficiency, safety, and long-term BESS lifecycle value.
View Details →
Model |
ECO-B10FT723LP-2N |
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 / IP Rating |
IP20 |
Model |
ECO-B20FT5015LP-2N |
Dimensions (W × D × H) |
700 × 850 × 223mm |
Weight |
95kg |
Power Input |
AC220V |
Rated Operating Voltage |
DC1331.2V |
Rated Operating Current |
250A |
Operating Temperature |
-20 ~ 55°C |
Operating Humidity |
≤95%RH, no condensation |
Communication Interface |
CAN, LAN |
Protection Level / IP Rating |
IP20 |
Model |
ECO-B10FT723LP-2N |
Operating Voltage Range |
EMW100HDNC1A: 480V (-15% to +10%); EMW100HDNC1B: 380V ± 10% |
Operating Ambient Temperature Range |
-30°C to +55°C |
Operating Relative Humidity Range |
5%–95% |
Storage Environment Temperature Range |
-40°C to +70°C |
Storage Environment Relative Humidity Range |
5%–95% |
Transport Performance |
Adaptable to land, air, sea, and other transportation methods |
Working Altitude |
0–4000 m |
Altitude Derating |
Performance decreases by 5% for every 1000 m increase in altitude between 2000 m and 4000 m |
Unit Dimensions (W × D × H) |
800 × 350 × 1750 mm (with flange) |
Protection Level |
IPX5 (outdoor side only) |
Protection Level Notes |
IPX5 applies only to the outdoor side. The indoor and outdoor sections of the chiller are shown in Figure 3-3. |
Rated Coolant Flow Rate |
72 L/min |
Operating Temperature Range of Coolant |
5°C–35°C |
Operating Pressure Range of Coolant |
0.25 bar–3 bar |
Maximum Inlet Pressure |
0.12 MPa |
Model |
ECO-B20FT5015LP-2N |
Dimensions, Weight & Installation |
|
Overall Dimensions (W × D × H) |
1200 × 440 × 2400 mm |
Weight (Excluding Coolant) |
471 kg |
Installation Method |
Floor-mounted |
Application Environment |
Outdoor |
Environmental Protection & Performance |
|
Operating Ambient Temperature Range |
-30°C to +55°C |
Storage Ambient Temperature Range |
-40°C to +70°C |
Operating Altitude |
0–4000 m |
Altitude Derating |
5% power derating for every 1000 m increase above 1000 m |
Noise Level |
≤ 80 dB(A) |
IP Protection Rating |
IPX5 |
Anti-corrosion Grade |
C5-M |
Refrigerant |
R32 |
Coolant |
50% Ethylene Glycol Aqueous Solution |
RoHS 2.0 Certification |
Yes |
CE Certification |
Yes |
Cooling / Heating Capacity |
|
Cooling Capacity (@ W18/L35) |
60 kW |
Heating Capacity (@ Tu = 10°C) |
24 kW |
Outlet Water Temperature |
18°C |
Circulating Water Flow Rate |
|
Rated Circulating Water Flow Rate |
500 L/min @ 150 kPa |
Power Consumption |
|
Cooling Input Power (@ W18/L35) |
27.8 kW |
Heating Input Power (@ Tu = 10°C) |
24 kW |
Self-circulation Mode Power (Pump Only) |
0.74 kW |
Maximum Power Consumption |
30 kW |
Power Supply |
|
Rated Operating Voltage |
380–415 V, 3-phase, 50/60 Hz |
Supported Voltage Range |
380–415 V ± 15%, 3-phase, 50/60 Hz ± 3 Hz |
Maximum Operating Current |
72 A |
[ SAFETY ARCHITECTURE ]
Five-Level Safety Protection, From Battery Pack to Full Container
Battery safety is usually the first question project owners ask about large-scale energy storage — and the liquid-cooled battery container answers it with five independent layers of protection working together: intelligent monitoring, early-stage fault detection, and active fire suppression at both the pack and cabinet level. Each layer is designed to catch a different failure mode, so a single point of failure doesn't compromise the whole system.
Pack-Level BMS
Continuously monitors cell voltage, current, and temperature while actively balancing battery packs in real time. Intelligent protection algorithms detect and respond to overcharge, over-discharge, overheating, and other abnormal conditions before they escalate.
-
Pack-Level Aerosol Fire Suppression
Each battery pack carries its own independent aerosol fire suppression unit, allowing a rapid, localized response to thermal events before they can spread to neighboring battery modules.
-
Cabinet-Level Aerosol Protection
A dedicated cabinet-level aerosol system provides a second layer of fire suppression across the entire enclosure, reducing the operational impact of any unexpected fault.
-
Water Fire Protection
An integrated water-based fire suppression system adds a further layer of emergency response, helping control heat propagation and supporting comprehensive fire mitigation inside the container.
-
Smoke & Temperature Detection
High-sensitivity smoke and temperature sensors continuously track internal conditions, triggering early warnings and automatic protective actions the moment a potential risk is detected.
[ STRATEGIC PARTNERS ]
Powered by Trusted Global Component Brands
Sourcing decisions matter just as much as system design. Every core component in the liquid-cooled battery container — from battery cells and optional external PCS to circuit protection and thermal management hardware — comes from established industry brands, so project owners get dependable performance, verifiable safety data, and long-term parts availability, not unproven house-brand substitutes.
[ KNOWLEDGE CENTER ]
Frequently Asked Questions
Everything You Need to Know Before Choosing a Liquid-cooled Battery Container
-
What is a liquid-cooled battery container?
A liquid-cooled battery container is a containerized battery energy storage system (BESS) that combines battery racks, liquid thermal management, BMS, power distribution, and fire safety systems inside one enclosure, purpose-built for large-scale commercial, industrial, and utility energy storage projects.
-
What are the advantages of liquid cooling over air cooling in a battery container?
Liquid cooling removes heat through direct coolant circulation, giving more efficient heat dissipation and far better temperature uniformity than traditional air cooling. In practice, this means more consistent cell performance, less thermal stress on the battery, and a longer usable system life.
-
What battery cells are used inside the liquid-cooled battery container?
The CubePal Series uses Grade-A 314Ah LiFePO₄ prismatic cells sourced from CATL, EVE, HITHIUM, and REPT, chosen for high energy density, strong thermal stability, and reliable cycle performance in long-duration energy storage applications.
-
What battery container capacity options does SUNPAL ESS offer?
The CubePal Series is available from 723kWh up to 5.015MWh per container, covering commercial, industrial, and utility-scale projects with a single, standardized platform instead of a fully custom build.
-
How safe is a liquid-cooled battery energy storage container?
Safety is built in at multiple levels — intelligent BMS monitoring, pack- and cabinet-level aerosol fire suppression, water-based fire protection, an IP55-rated enclosure, and continuous smoke/temperature detection, all working together to catch and contain thermal risks early.
-
What operating environments can a liquid-cooled battery container handle?
The CubePal Series is engineered for demanding outdoor conditions, with an operating temperature range of -25°C to 55°C, tolerance for up to 95% relative humidity, and support for high-altitude deployment with appropriate derating.
-
How long does a liquid-cooled battery container last?
The utility-scale CubePal system is rated for 8,000+ cycles under specified conditions. Advanced liquid thermal management helps keep cells balanced over time, which supports consistent performance and a longer service life than air-cooled alternatives.
-
Can a liquid-cooled battery container be integrated with solar, wind, or grid infrastructure?
Yes. The container is designed to connect with PV systems, wind power, PCS, EMS, and grid infrastructure, supporting renewable energy storage, peak shaving, backup power, and grid stabilization applications in one flexible platform.
Looking for the Right Liquid-cooled Battery Container for Your Project?
Tell us your power requirements, project location, and application — and we'll put together a customized liquid-cooled battery container configuration, transparent pricing, and technical support tailored to your energy storage project.
GET A QUOTE →
View All ESS Cabinets










