Wholesale Supply: 5MWh Liquid-Cooled ESS Container | Commercial Energy Storage Cabinet | Global Delivery

Product Summary

This 5MWh liquid-cooled ESS container is engineered for industrial and commercial energy storage applications that require high capacity, reliability, and rapid deployment. As a turnkey solution, it integrates Tier-1 LFP battery cells, an advanced liquid cooling system, and a comprehensive energy management system (EMS). The containerized design facilitates straightforward logistics and site installation, making it an ideal choice for EV supercharging stations, industrial parks, and micro-grid projects. With a focus on long-term performance, this system is backed by a 10-year warranty and supported by local O&M services to ensure project success from commissioning through the entire asset lifecycle. This product is manufactured in ISO-certified facilities and is ready for global shipping, providing a reliable foundation for your energy infrastructure.

Why Choose This 5MWh Liquid-Cooled ESS Container

Selecting this 5MWh liquid-cooled ESS container offers a distinct commercial advantage. It is designed to optimize the levelized cost of energy (LCOE) through high round-trip efficiency and extended cycle life. The liquid cooling system ensures stable operation even under high ambient temperatures, maximizing available capacity and prolonging battery life. This container supports multiple operational modes, including peak shaving, load shifting, and backup power, delivering tangible ROI for commercial and industrial (C&I) facilities. The system’s inherent scalability allows for parallel expansion to meet growing energy demands. Furthermore, our global supply chain and local support networks provide procurement confidence, reducing project risks and ensuring timely commissioning. The combination of Tier-1 components, intelligent thermal management, and robust safety features makes this the preferred choice for project developers and EPCs seeking a bankable and high-performance storage asset.

Product Overview & Safety Architecture

The 5MWh liquid-cooled ESS container is a fully integrated system housed in a weatherproof enclosure suitable for outdoor deployment. At its core, the system utilizes premium LFP battery cells from Tier-1 suppliers, known for their safety, thermal stability, and long calendar life. The intelligent liquid cooling system maintains optimal cell temperature, ensuring high performance and reducing the risk of thermal runaway. The architecture includes a multi-layered safety system: cell-level fuses, module-level monitoring, and a container-level fire suppression system. The Battery Management System (BMS) and Energy Management System (EMS) work in concert to monitor all parameters, provide active cell balancing, and ensure safe operation under all conditions. This robust safety design is compliant with international standards such as UL 9540 and IEC 62619. The system also features a user-friendly interface for local monitoring and remote diagnostics, facilitating seamless integration with existing site infrastructure.

Technical Specifications

Below are the key technical specifications for the 5MWh liquid-cooled ESS container. This data is critical for system design, integration, and procurement. All parameters are verified under standard test conditions to ensure accuracy and reliability.

Technical Feature	Specification
Battery Chemistry	Tier-1 LFP (LiFePO4)
Total Energy Capacity	≥ 5 MWh
Nominal Voltage	~1300 V DC
Cooling Method	Smart Liquid Cooling (Glycol-based)
Round-trip Efficiency	≥ 90% (at nominal conditions)
Cycle Life	> 6,000 cycles at 80% DoD
Thermal Management	Liquid Chiller + Heating Option
Enclosure Rating	IP54 (or IP65 on request)
System Dimensions (approx.)	40 ft ISO Container (20′ x 8′ x 8.6′)
Operating Temperature	-20°C to +50°C
Fire Suppression	Aerosol/Gas-based system
Certifications	UL 9540, IEC 62619, UN 38.3

Application Scenarios

EV Supercharging Stations

Deploying this 5MWh ESS container at EV supercharging stations can significantly reduce demand charges and provide grid stabilization services. The system can store energy during off-peak hours and discharge it during high-demand periods to power fast chargers, ensuring consistent high-power output and reducing strain on the local grid. This application is crucial for site hosts aiming to maximize profitability and enhance the customer experience by offering reliable, fast charging. The liquid cooling technology is particularly valuable here, ensuring the ESS operates effectively even with frequent high-power discharges. The container’s design facilitates easy integration with solar canopies, creating a sustainable, on-site micro-grid for the charging station.

Industrial Parks

For industrial parks and manufacturing facilities, this 5MWh ESS container provides a reliable solution for peak shaving and demand response. By discharging stored energy during peak tariff periods, the system can dramatically lower electricity costs and help avoid expensive demand spikes. It also acts as a valuable backup power source to protect sensitive production lines from grid outages, ensuring operational continuity. The turnkey nature of the container allows for quick installation without extensive site preparation, making it an attractive option for facility managers and plant owners. The system can be parallel with other renewable energy sources to further enhance on-site energy independence and sustainability.

Supply Assurance

Our supply chain is engineered for global consistency and reliability. We maintain strategic inventory of key components to ensure on-time delivery. All systems undergo rigorous factory acceptance testing (FAT) to verify performance and safety before shipping. We offer secure global shipping with professional logistics partners to ensure the container arrives on site in perfect condition. Our local O&M support network provides commissioning assistance, performance monitoring, and prompt maintenance services. This comprehensive approach is backed by our 10-year performance warranty, which covers the system’s capacity and performance, providing long-term financial and operational peace of mind. We are committed to being a reliable partner for your energy storage projects, from initial inquiry to the end of the system’s useful life.

Frequently Asked Questions

What is the expected cycle life of the 5MWh liquid-cooled ESS container?

This system is designed for > 6,000 cycles at 80% Depth of Discharge (DoD), with a calendar life exceeding 10 years under standard operating conditions. The intelligent liquid cooling system plays a vital role in achieving this extended durability by managing thermal stress.

What are the global certifications for this ESS container?

The system is designed to meet and pass key international certifications including UL 9540 (safety), IEC 62619 (safety), and UN 38.3 (transportation). We can provide specific compliance documentation and support for local certification requirements in your region.

How is the 5MWh ESS container shipped and installed?

The ESS is shipped as a fully assembled container via sea freight, ready for connection at the site. Installation involves offloading, siting, and connecting the AC/DC power and communication cables. Our team provides detailed installation guides and can offer on-site supervision to facilitate quick and safe commissioning.

What local support and warranty coverage are available?

We provide a comprehensive 10-year performance warranty that covers defects in materials and workmanship. Our global network includes local O&M partners who can provide preventive maintenance, system troubleshooting, and spare parts support, minimizing downtime and ensuring long-term asset performance.

Can this system be integrated with existing solar PV and diesel generators?

Yes, the 5MWh ESS container is designed for flexible integration. Its EMS can seamlessly manage power flows from solar PV, the grid, and diesel generators to optimize energy costs and ensure power availability. This makes it a core component of a turnkey PV-Storage-Charging solution.