• Dagong ESS

Container ESS: Flexible, High-Capacity Energy Storage

What is a Container Energy Storage System?

A Container Energy Storage System is a high-capacity battery energy storage solution housed within a standard shipping container—typically 20ft or 40ft in size. These systems are engineered to store electrical energy for later use, helping balance power grids, support renewable energy integration, and provide backup power during peak demand or emergencies.

Each container typically includes lithium iron phosphate (LFP) battery modules, a Battery Management System (BMS), Energy Management System (EMS), power conversion systems (PCS), thermal management, fire suppression, and communication interfaces—all pre-installed and ready for deployment.

Types of Container Energy Storage Systems

Container ESS solutions can be categorized by size, cooling method, and application:

20ft / 40ft Standard Containers: Designed for easy transport and fast deployment.

Air-Cooled Systems: Suitable for moderate climates and lower energy densities.

Liquid-Cooled Systems: Ideal for high-capacity storage with better thermal management and smaller footprint.

Grid-Tied & Off-Grid Systems: Used for peak shaving, load shifting, microgrids, and renewable integration.

Features of Container Energy Storage Systems

• High Energy Density: Up to 215kWh per cabinet and scalable into multi-megawatt configurations.

• Plug-and-Play Deployment: Fully integrated components enable rapid on-site commissioning.

• Thermal Safety: Advanced cooling systems (air or liquid) protect battery life and performance.

• Robust Protection: Equipped with fire suppression, insulation, and multiple safety layers.

• Remote Monitoring: Built-in EMS and SCADA compatibility for real-time control and diagnostics.

• Customization Options: Flexible layout, modular expansion, and voltage compatibility with different regions.

Applications of Container ESS

• Renewable Energy Storage: Store surplus energy from solar, wind, or hydro for later use.

• Grid Support & Frequency Regulation: Help balance power supply and demand in real time.

• Peak Shaving & Load Shifting: Reduce electricity costs by storing energy during off-peak hours.

• Emergency Backup Power: Provide stable electricity during outages or in disaster recovery zones.

• EV Charging Stations: Power high-speed charging infrastructure in remote or high-traffic areas.

• Isolated Microgrids: Enable energy independence in rural or off-grid locations.

Price of Container Energy Storage Systems

The cost of a Container Energy Storage System can vary significantly depending on factors such as energy capacity, battery type, cooling technology, and system complexity. Additional considerations include software integration, communication protocols, installation requirements, and regional compliance standards.

Pricing is typically quoted based on international trade terms such as EXW (Ex Works), FOB, or CIF, depending on the project location and logistical preferences.
To receive a tailored quotation based on your specific project needs, it is recommended to consult directly with the supplier.

How to Select a Container ESS for Your Project?

When selecting a Container ESS, consider the following:

• Required Energy Capacity and Output Power

• Site Location and Climate Conditions (Air-cooled vs. liquid-cooled)

• Application Scenario (e.g., peak shaving, renewable integration, emergency backup)

• Compliance with Local Grid Codes and Safety Standards

• System Scalability and Future Expansion Potential

• Warranty, Technical Support, and After-Sales Services

Choosing a trusted manufacturer with proven field experience and technical customization capabilities is key to ensuring long-term value.

How Long Does a Container ESS Last?

Containerized systems using LFP batteries typically offer:

• Cycle Life: Over 6,000 full charge/discharge cycles at 80% DOD

• Operational Lifespan: 10–15 years under normal operating conditions

• Warranty Coverage: Generally 5–10 years depending on the supplier and system configuration

The Supplier of Container Energy Storage Systems

Dagong ESS is a global manufacturer specializing in scalable and intelligent container energy storage systems. With solutions ranging from 100kWh to multi-megawatt setups, Dagong ESS provides:

• Air-cooled and liquid-cooled ESS containers (100–215kWh per cabinet)

• Integrated PCS, EMS, and BMS for fast deployment

• Modular, customizable systems for industrial, commercial, and utility-grade applications

• Global delivery and technical support tailored to client needs

For detailed specifications or project consultation, please contact sales@dagongess.com or visit www.dagongess.com.