261/418KWH BESS Liquid Cooler Cabinet Energy Storage System
Dongturbo Electric Company Ltd is one of the leading manufacturers and suppliers of 261/418kwh bess liquid cooler cabinet energy storage system in China. We warmly welcome you to buy high quality customized products at competitive price from our factory. Contact us for more cheap products.

In 2021, DTEC and Hoenergy established a strategic partnership to jointly research, develop, and manufacture industrial and commercial energy storage systems as well as microgrid system solutions, aiming to achieve energy digitalization and intelligence.
By leveraging AI-driven technologies, big data analytics, cloud computing, and other energy digitalization tools, they have developed comprehensive energy storage products centered on BMS (Battery Management System), PCS (Power Conversion System), EMS (Energy Management System), and the D-Galaxy cloud platform, creating a cloud-edge-device collaborative architecture. These innovations deliver end-to-end digital energy storage solutions (covering products, systems, strategies, and platforms) for diverse scenarios including power generation, grid management, and load optimization, ensuring safety and high efficiency across energy storage systems.

Battery System
Six Features for Safety Protection
High Quality Battery Cell
Long cycle life:More than 6000 cycles@80%DOD; Passed International Certifications: IEC 62619;UL1973,UL9540A,UN 38.3,GB/T 36276, Meet the moststringent cellintrinsic safety requirements.
Integrated production
More than 20 complete control processes More than 100 MES data points More than 500 quality control points All data upload to the cloud for long-term traceability.
Modular Design
Avoid short circuit,flexible buffering between cells,overall elastic restraint to reduce the influence of cell expansion; Air duct between cells effectively control heat accumulation &avoid thermal runaway
Rigorous Tests
Passed 28 safety &reliability tests,500 performance testing.
Thermal Management System
Perfect thermal management technology through simulation and actual testing,to control the temperatures in the battery system to<5℃
Operation Guarantee
Two-stage battery safety management system Full coverage of key sampling points to build acomplete loT Real-time monitoring feedback,fault diagnosisand wamings Triple protection,blocking risk spread
|
Model |
Battery system |
iBAT-WBS-215H |
|
Battery pack |
iBAT-WM-14.33H |
|
|
Technical Data |
Battery type |
Lithium iron phosphate |
|
Battery cell |
3.2V,280Ah |
|
|
Combination |
1P240S |
|
|
Nominal capacity |
215kWh |
|
|
Nominal voltage |
768V |
|
|
Voltage range |
600~876V |
|
|
Nominal charge/discharge current |
140A |
|
|
Cooling |
Aircooling |
|
|
Permutation type |
2 columns,8rows |
|
|
Key components |
15 packs,1 HVswitch box |
|
|
Operating temperature |
-20~55℃ |
|
|
Humidity |
≤90%(Non-condensing) |
|
|
Altitude |
≤3000m |
|
|
Protection level |
IP20 |
|
|
Dimensions (LxWxH) |
1154*822*2268 mm |
|
|
Weight |
1.9t |
EFIS-H Series
261/418kWh ESS Cabinet
EFIS-CAB/D-L261 EFIS-CAB/D-L418
Independent Design
Support 3 phase 4 wire load without transformer;
Load shifting for time-of-use savings;
Black start capablity for power backup and microgrid applications.
Convenient & Flexible
Support multiple parallel connections to expandpower and capacity:
Easy for installation, operation and maintenance:
Small footprint and lP54 protecting grade foroutdoor installation environment.supply real-timedata feedback.

Safe & Reliable
Fuse self-blowing in battery pack, increase safetyprotection:
Pack, cabinet and water fire protection,three-level fireprotection design;
Independent single cluster battery without circulatingcurrent. .
Smart & User-friendly
Seamless transition to backup mode against poweroutage
Advanced BMS with multiple sampling points coverage.supplyreal-time data feedback:
Support Power backup, peak shaving.PV self-consumption,PV smoothing and etc.various applications

Below is a detailed breakdown of its features and key selling points:
Core Features
Advanced Liquid Cooling Technology
Precision Thermal Control: Liquid cooling plates directly contact battery cells, maintaining optimal temperatures (20–30°C) even under high loads, extending cycle life by 30%+ compared to air-cooled systems.
Energy Efficiency: 40% lower auxiliary power consumption vs. forced-air cooling, achieving 95%+ round-trip efficiency.
Uniform Temperature Distribution: ±2°C cell temperature variance ensures balanced aging and safety.
Compact, All-in-One Design
High Energy Density: 250–500 kWh per 20-foot cabinet, ideal for space-constrained facilities (e.g., urban factories, rooftop solar plants).
Pre-Integrated Components: Includes battery racks, liquid cooling loops, PCS (Power Conversion System), EMS (Energy Management System), and fire suppression in a single enclosure.
Plug-and-Play Deployment
Minimal Onsite Work: Pre-tested and pre-assembled at the factory, reducing installation time by 50% (commissioning in <1 week).
Modular Scalability: Stack multiple cabinets to scale from 500 kWh to 10+ MWh with unified EMS control.
Smart Energy Management
AI-Powered EMS: Automatically switches between grid-tied, off-grid, and backup modes based on real-time tariffs, load demand, and renewables generation.
Demand Response Ready: Seamlessly participates in utility programs (e.g., peak shaving, frequency regulation) via IEEE 1547/UL 1741 SA compliance.
Enhanced Safety
Multi-Layer Protection: IP55-rated enclosure, leak-proof cooling loops, and aerosol-based fire suppression (NFPA 855 compliant).
Fault Tolerance: N+1 redundancy for pumps and control systems ensures 24/7 uptime.
Key Selling Points
Maximize ROI
Peak Shaving: Cut demand charges by 30–50% by discharging during $0.25+/kWh peak periods.
Faster Payback: Achieve ROI in 3–5 years with 20-year design life (8,000+ cycles at 80% DoD).
Future-Proof Flexibility
Hybrid-Ready: Integrates with solar, wind, or hydrogen systems via CAN/RS485/MODBUS protocols.
Software Upgradable: Remote firmware updates for evolving grid codes and market rules.
Global Compliance
Certifications: UL 9540 (US), IEC 62619 (EU), and GB/T 36276 (China) certified for global deployment.
Wide Operating Range: Functions flawlessly in -30°C to +50°C environments.
Sustainability Edge
Carbon Reduction: Offset 100+ tons of CO₂ annually per 1MWh system.
Recyclable Design: 90%+ battery materials recoverable at end-of-life.
Target Applications
Manufacturing Plants: Stabilize energy costs for high-load processes (e.g., metal forging, EV production).
Data Centers: Provide N+1 backup power and participate in demand response for additional revenue.
Retail Chains: Offset peak tariffs for HVAC and lighting in shopping malls.
Microgrids: Pair with solar PV to achieve 80%+ renewable self-consumption.
Why Choose Liquid-Cooled All-in-One BESS?
Space Savings: 60% smaller footprint vs. traditional air-cooled systems.
Lower TCO: Reduced maintenance (no filter replacements) and 20% longer lifespan.
Risk Mitigation: UL 9540A fire safety certification ensures insurance compliance.
Conclusion
Liquid-cooled all-in-one BESS cabinets redefine C&I energy storage with unmatched efficiency, scalability, and intelligence. Whether slashing energy bills, ensuring uptime, or meeting ESG goals, this solution empowers businesses to lead in the era of smart, sustainable energy.
Contact us to explore customized configurations for your facility's unique needs.
BESS container Parameters
|
Model |
EFIS-CAB/D-L261 | EFIS-CAB/D-L418 |
|
Battery Data |
||
|
Battery Type |
Lithium Iron Phosphate |
Lithium Iron Phosphate |
|
Battery Cell |
3.2V/314Ah |
3.2V/314Ah |
|
Battery Cell Combination |
1P260S |
1P416S |
|
Nominal Capacity |
261MWh |
418MWh |
|
Rated DC Voltage |
832V |
1331V |
|
DC Voltage Range |
689~949V |
1102~1500V |
|
Charge/Discharge Rate |
≤0.5C |
≤0.5C |
|
DOD |
95% |
95% |
|
Battery Cooling |
Liquid Cooling |
Liquid Cooling |
|
General Data |
||
|
Dimensions (WxDxH)mm |
1000x1300x2150 | 1400*1450*2450 |
|
Weight |
2.1t |
3.85t |
|
Protection Level |
IP54 |
IP54 |
|
Anti-corrosion Grade |
C4 |
C4 |
|
Installation Location |
Outdoor |
Outdoor |
|
Operating Temperature |
-30℃~50℃ |
-30℃~50℃ |
|
Relative Humidity |
5%~95% |
5%~95% |
|
Altitude |
≤3000m(>2000m Derating) |
≤3000m(>2000m Derating) |
|
Battery Temperature Control |
Liquid cooling | Liquid cooling |
|
Fire Fighting System |
Heptafluoropropane +Water |
fire extinguishing system |
|
Communication Protocol |
CAN/MODBUS |
CAN/MODBUS |
|
Communication Interface |
CAN2.0,RS485,Ethernet |
CAN2.0,RS485,Ethernet |
Research and development
laboratory





Energy storage production base
Shanghai 1GWh Residential ESS PACK production line.
Shanghai The 3GWh Commercial ESS PACK production line
ongkang 5GWh digital energy storage industrial base (under construction)




Certifications
Company and Product Qualifications

ISO

ISO

ISO

CE

CE

CE
Global Layout
Overseas Operation and Maintenance Service Center

Europe: Warehouses and services in the Netherlands, The United Kingdom and Italy
Branches: Netherlands · Germany · The United Kingdom · Czech Republic · Spain ·South Africa · Australia

One-Stop ESS Microgrid Solution In China
Microgrids can operate independently in the event of a main grid failure, ensuring the uninterrupted power supply of key facilities and services, and enhancing the disaster resistance and reliability of the power system.
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