Model |
LiPal ESS-E261LP |
Battery Chemistry |
LiFePO₄ (LFP) |
Cell Capacity |
314 Ah |
Pack Configuration |
1P52S |
Nominal Energy |
52.249 kWh |
Nominal Voltage |
166.4 V DC |
Recommended Voltage Range |
145.6–187.2 V DC |
Cell Voltage Range |
2.8–3.6 V |
Charge / Discharge Rate |
0.5P |
Cooling Method |
Liquid Cooling |
Protection Rating |
IP65 |
Dimensions (W × D × H) |
800 × 1135 × 248 mm |
Weight |
Approx. 352 kg |
Model |
ECO-E418LP-A40 / A69 / A80 |
Battery Chemistry |
LiFePO₄ (LFP) |
Cell Capacity |
314 Ah |
Pack Configuration |
1P52S |
Nominal Energy |
52.249 kWh |
Nominal Voltage |
166.4 V DC |
Recommended Voltage Range |
145.6–187.2 V DC |
Cell Voltage Range |
2.8–3.6 V |
Charge / Discharge Rate |
0.5P |
Cooling Method |
Liquid Cooling |
Protection Rating |
IP65 |
Dimensions (W × D × H) |
780 × 1140 × 245 mm |
Weight |
Approx. 352 kg |
ALL-IN-ONE ESS CABINET > LIQUID-COOLED
Liquid-Cooled ESS Cabinet for High-Density C&I Battery Storage
SUNPAL ESS LiPal liquid-cooled ESS cabinets combine LiFePO4 batteries, PCS, BMS, EMS, liquid cooling and fire protection in one IP55 outdoor cabinet. With 261-418 kWh capacity and up to 215 kW rated power, they provide high-density C&I battery storage for peak shaving, backup power, demand charge reduction and solar-plus-storage projects.
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4 Models
Available
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261-418 kWh
Energy Capacity
-
125-215 kW
Rated Power
-
LFP 314 Ah
Battery Cells
-
8,000+
Cycle Life
-
IP55
Outdoor Protection
ECO-E418LP-A40/69/80
LiPal ECO-E418LP-A40/69/80
-
418 kWh
Battery Capacity
-
125–215 kW
Output Power
-
8,000+
Cycle Life
LIQUID-COOLED ESS CABINET
LIPAL SERIES
UN38.3
IEC62619
IEC63056
IEC62477-1
IEC61000-6-2/4
ESS-E261LP
LiPal ESS-E261LP
-
261 kWh
Battery Capacity
-
125 kW
Rated Output Power
-
8,000+
Cycle Life
LIQUID-COOLED ESS CABINET
LIPAL SERIES
UN38.3
IEC62619
IEC63056
UL9540A
G99
VDE4105
NRS097
C10/11
[ SYSTEM ARCHITECTURE ]
Typical Liquid-Cooled ESS Cabinet System Architecture
The liquid-cooled ESS cabinet integrates LiFePO4 batteries, PCS, BMS, EMS, PV, loads and grid connection into a high-density C&I energy storage system. It supports peak shaving, backup power, demand charge reduction, solar-plus-storage and microgrid applications with stable liquid cooling performance.
Industrial Peak Shaving
Factory Solar + Storage
Commercial Buildings
EV Charging Stations
Industrial Microgrids
Critical Backup Power
[ TECHNICAL PRINCIPLES ]
Why Choose a Liquid-Cooled ESS Cabinet?
Pack-Level Liquid Cooling for High-Density C&I Energy Storage
SUNPAL ESS liquid-cooled ESS cabinets use pack-level liquid cooling to improve heat transfer, reduce battery temperature differences and support stable high-cycle operation. Designed for 261-418 kWh C&I battery energy storage projects, they integrate LiFePO4 batteries, PCS, BMS, EMS and safety protection for peak shaving, backup power, demand charge reduction and solar-plus-storage applications.
[ DIGITAL ENERGY MANAGEMENT ]
3S Intelligent Control for Liquid-Cooled ESS Cabinets
The integrated BMS, PCS and EMS coordinate battery monitoring, power conversion, liquid cooling control and energy dispatch. A three-tier BMS monitors cell, module and system-level data in real time, supporting safer operation and smarter remote O&M for high-capacity C&I energy storage systems.
[ PRODUCT COMPOSITION ]
Core Components of Liquid-Cooled ESS Cabinets
SUNPAL ESS liquid-cooled ESS cabinets are built around high-capacity LiFePO4 battery packs, high-voltage control and intelligent liquid cooling. These core components work together to improve thermal consistency, power distribution, battery protection and long-term reliability for C&I battery energy storage systems, industrial peak shaving and solar-plus-storage projects.
Battery Pack
HV Box
Liquid Cooling Chiller
Liquid-Cooled LiFePO4 Battery Pack
Built with 314 Ah LiFePO4 cells, the liquid-cooled battery pack provides high energy density, long cycle life and stable daily charge-discharge performance. Integrated CAN communication supports battery monitoring and system-level coordination, making it suitable for high-capacity C&I ESS cabinet projects.
View Details →
High-Voltage Control Box
The high-voltage box manages DC power distribution, voltage/current monitoring, electrical protection and communication between battery packs, BMS and PCS. It supports safer energy transmission and stable operation in liquid-cooled commercial battery storage systems.
View Details →
Intelligent Liquid Cooling System
The liquid cooling chiller uses variable-frequency compressors, pumps and intelligent control to regulate battery temperature efficiently. With RS485 communication, automatic restart and cooling/heating functions, it helps reduce battery temperature differences, extend service life and lower long-term energy storage system maintenance cost.
View Details →
Model |
LiPal ESS-E261LP |
Dimensions (W × D × H) |
800 × 843 × 201 mm |
Weight |
Approx. 60 kg |
Power Input |
AC 220 V |
Low-Voltage Output |
DC 24 V |
Rated High-Voltage Output |
832 V DC |
High-Voltage Output Range |
728–936 V DC |
Operating Temperature |
-25°C to 55°C |
Protection Rating |
IP20 |
Model |
ECO-E418LP-A40 / A69 / A80 |
Dimensions (W × D × H) |
350 × 840 × 140 mm |
Weight |
Approx. 40 kg |
Power Input |
AC 220 V |
Low-Voltage Output |
DC 24 V |
Rated High-Voltage Output |
1331.2 V DC |
High-Voltage Output Range |
1164.8–1497.6 V DC |
Operating Temperature |
-25°C to 55°C |
Protection Rating |
IP20 |
ESS-E261LP |
|
245 × 700 × 900 mm |
|
100 kg |
|
Drawer-Type |
|
Outdoor |
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SAE 18 Quick Connector |
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−30 to +55°C |
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−40 to +70°C |
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70 dB(A) (L35/W18); 75 dB(A) (L45/W18) |
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C3M (C5M Optional) |
|
Outdoor Orange-Texture Finish, RAL 7035 |
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IPX5; suitable for applications requiring IP55 |
|
R134a |
|
50% Ethylene Glycol Aqueous Solution |
|
Yes |
|
No |
|
10 years |
|
Rear Discharge (Top Discharge Optional) |
|
5.0 kW |
|
2.0 kW |
|
18°C |
|
10–35°C (Heating Setpoint ≤ Cooling Setpoint) |
|
20°C |
|
15°C |
|
CAN |
|
Inlet/outlet water temperature, inlet/outlet water pressure, ambient temperature, etc.; refer to the communication protocol point list for details |
|
46.5 L/min |
|
60 kPa |
|
1.85 kW (L35/W18); 2.81 kW (L45/W18) |
|
2.44 kW |
|
0.24 kW |
|
2.95 kW (L35/W18); 3.32 kW (L45/W18) |
|
220 V, 50/60 ± 3 Hz |
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220 V ± 15%, 50/60 ± 3 Hz |
|
15.8 A (L35/W18); 17.8 A (L45/W18) |
|
ECO-E418LP-A40/69/80 |
|
1040 × 275 × 1150 mm |
|
133 kg |
|
Rack-Mounted |
|
Outdoor |
|
CQC20 Quick Connector |
|
-30°C to +55°C |
|
-40°C to +70°C |
|
73 dB(A) |
|
C3 |
|
Outdoor Matte Finish, RAL 7035 |
|
IPX5 |
|
R134a |
|
50% Ethylene Glycol Aqueous Solution |
|
Yes |
|
10 years |
|
10.0 kW |
|
8.0 kW |
|
2.0 kW |
|
18°C |
|
10°C to 35°C (Heating Setpoint ≤ Cooling Setpoint) |
|
18°C |
|
15°C |
|
RS485 |
|
Modbus RTU |
|
Inlet/outlet water temperature, inlet/outlet water pressure, ambient temperature, etc. Refer to the communication protocol register map for details. |
|
50 L/min |
|
90 kPa |
|
4.3 kW |
|
4.6 kW |
|
2.3 kW |
|
0.5 kW |
|
5.0 kW |
|
220 V, 50/60 Hz ±3% |
|
220 V ±15%, 50/60 Hz ±3% |
|
25 A |
[ SAFETY ARCHITECTURE ]
Five-Level Safety Protection for Liquid-Cooled ESS Cabinets
SUNPAL ESS liquid-cooled ESS cabinets combine pack-level battery monitoring, localized fire suppression, cabinet-level protection and environmental detection into a layered safety architecture. Designed for high-capacity C&I battery energy storage systems, this structure helps project developers, ESS distributors and industrial users reduce safety risk, improve system reliability and support long-term outdoor operation.
Pack-Level BMS
The pack-level BMS monitors cell voltage, current and temperature in real time while supporting balancing and fault protection. It helps protect LiFePO4 battery packs from overcharge, over-discharge, overheating and abnormal current during daily peak shaving, backup power and grid-tied operation.
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Pack-Level Aerosol Fire Suppression
Each battery pack can be equipped with an independent aerosol fire suppression unit for rapid localized response. This helps control early thermal events inside a single pack before they spread to adjacent battery modules.
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Cabinet-Level Aerosol Protection
A cabinet-level aerosol system provides secondary protection for the full liquid-cooled ESS cabinet enclosure. It adds another safety layer for high-density commercial and industrial energy storage projects where system uptime and risk control are critical.
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Water-Based Fire Protection
The water-based fire protection interface supports additional emergency heat control and fire mitigation according to project design and local safety requirements. This helps B2B energy storage buyers meet stricter approval needs in industrial parks, factories and utility-connected projects.
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Smoke & Temperature Detection
Smoke and temperature sensors continuously monitor internal cabinet conditions and send early warning signals to the control system. Combined with BMS, EMS and liquid cooling control, they support faster fault response, remote monitoring and safer long-term operation.
[ STRATEGIC COMPONENT SUPPLY ]
Qualified Components for High-Capacity Liquid-Cooled ESS Projects
SUNPAL ESS liquid-cooled ESS cabinets use qualified battery cells, PCS, protection devices and liquid cooling components to support stable operation, safety and long service life. Built for project developers, distributors and C&I energy storage buyers, each system is engineered for reliable deployment and scalable commercial battery storage projects.
[ KNOWLEDGE CENTER ]
Liquid-Cooled ESS Cabinet FAQs
Key questions for buyers, project developers and distributors evaluating SUNPAL ESS liquid-cooled ESS cabinets for C&I battery energy storage projects.
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What is a liquid-cooled ESS cabinet?
A liquid-cooled ESS cabinet is an all-in-one battery energy storage system that integrates LiFePO4 battery modules, PCS, BMS, EMS, liquid cooling and fire protection in one outdoor cabinet. It is designed for commercial and industrial energy storage, peak shaving, demand charge reduction, solar-plus-storage and backup power applications.
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Why choose liquid cooling instead of air cooling?
Liquid cooling provides more stable temperature control and better heat transfer for high-capacity or high-cycle C&I BESS projects. It helps reduce battery thermal stress, improve temperature consistency and support long-term operation in factories, industrial parks, EV charging stations and high-load commercial sites.
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What projects are liquid-cooled ESS cabinets suitable for?
They are commonly used in industrial facilities, commercial buildings, solar-plus-storage systems, EV charging stations, microgrids and backup power projects. For buyers looking for a high-density C&I energy storage cabinet, liquid-cooled ESS is well suited for peak shaving, grid-tied operation and renewable energy integration.
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Can the liquid-cooled ESS cabinet be installed outdoors?
Yes. SUNPAL ESS liquid-cooled cabinets are designed with outdoor-rated protection such as IP55 enclosure design, integrated thermal management and safety protection. Final installation should consider site temperature, ventilation, foundation, grid connection and local electrical requirements.
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Can multiple cabinets be connected for larger capacity?
Yes. The modular cabinet design supports parallel expansion for larger commercial and industrial battery storage systems. Project developers can scale capacity according to load profile, peak power demand, PV capacity, backup time and future energy growth plans.
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How does liquid cooling help extend battery life?
Liquid cooling helps maintain more uniform battery pack temperatures during charge and discharge. Better thermal consistency can reduce cell stress, support 8,000+ cycle design life, and improve long-term performance for daily cycling applications such as peak shaving and demand charge management.
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What safety features are included in the cabinet?
The system combines pack-level BMS monitoring, high-voltage protection, smoke and temperature detection, aerosol fire suppression, cabinet-level safety design and EMS alarm management. These layers help improve operational safety for outdoor C&I battery energy storage projects.
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What information is needed to get a custom quote or cost estimate?
To prepare a liquid-cooled ESS cabinet quote, SUNPAL ESS usually needs your required capacity, power rating, load profile, PV size, backup time, grid voltage, installation environment and certification requirements. Our engineers can recommend the right model, system configuration and estimated project cost.
Need a Liquid-Cooled ESS Cabinet Quote?
Send your project details to get model selection, pricing guidance and technical support from a C&I energy storage system manufacturer.
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