A Container Energy Storage System (Container ESS) is a robust, high-capacity battery energy storage solution housed in standard 20ft or 40ft shipping containers. Engineered for efficient energy storage, it balances power grids, supports renewable energy integration, and provides backup power during peak demand or emergencies. Each container comes pre-installed with 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 for quick deployment.

Types of Container ESS

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

• Size: 20ft/40ft standard containers for easy transport and fast deployment.

• Cooling Method: Air-cooled systems suitable for moderate climates; liquid-cooled systems ideal for high-capacity storage with superior thermal management and a smaller footprint.

• Application: Grid-tied and off-grid systems used for peak shaving, load shifting, microgrids, and renewable integration.

Key Features

• High Energy Density: Offers up to 215kWh per cabinet, scalable to multi-megawatt configurations.

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

• Thermal Safety: Advanced air or liquid cooling systems 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: Flexible layout, modular expansion, and voltage compatibility with different regions.

Applications

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

• Grid Support & Frequency Regulation: Balances real-time power supply and demand.

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

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

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

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

Pricing Considerations

The cost of a Container ESS varies based on energy capacity, battery type, cooling technology, and system complexity. It is typically quoted using international trade terms like EXW, FOB, or CIF. For a tailored quotation, consult directly with the supplier.

How to Select the Right Container ESS

When choosing a Container ESS, consider:

• Required energy capacity and output power

• Site location and climate conditions (air-cooled vs. liquid-cooled)

• Application scenario (peak shaving, renewable integration, etc.)

• Compliance with local grid codes and safety standards

• System scalability and future expansion potential

• Warranty, technical support, and after-sales services

Partnering with a trusted manufacturer with proven field experience and technical customization capabilities ensures long-term value.

Lifespan and Warranty

Containerized systems with LFP batteries offer:

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

• Operational Lifespan: 10–15 years under normal conditions

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

Trusted Supplier: Dagong ESS

Dagong ESS is a global manufacturer of scalable, intelligent container energy storage systems. Our solutions, ranging from 100kWh to multi-megawatt setups, include:

• 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 tailored technical support

Contact us at sales@dagongess.com or visit www.dagongess.com for detailed specifications or project consultation.