What is a 3.35MWh Container Energy Storage System?

A 3.35MWh container energy storage system is a modular, large-scale lithium-ion battery solution housed within a standard container. Designed for grid-scale, renewable, and industrial power management, it stores electricity efficiently and delivers it during peak demand periods.

Liquid cooling technology maintains optimal temperature balance within each battery module, extending cycle life and ensuring consistent performance under high load conditions.

Types of Container Energy Storage Systems

Containerized ESS solutions are generally classified by cooling methods and capacity:

• Air-Cooled Systems (e.g., 5MWh Air-Cooled ESS) – Suitable for moderate climates and general C&I use.

• Liquid-Cooled Systems (e.g., 3.35MWh Liquid-Cooled ESS) – Ideal for high-load, high-temperature environments requiring precise thermal control.

• Hybrid-Cooled Systems – Combining both methods for specialized applications.

The 3.35MWh liquid-cooled model stands out for its efficiency, compactness, and high safety margin, making it a preferred choice for long-duration energy storage projects.

Features of the 3.35MWh Liquid-Cooled ESS

• Advanced Liquid Cooling: Ensures uniform temperature distribution, reducing cell degradation and improving system lifespan.

• High Energy Density: Compact 40ft container design with CTP (cell-to-pack) structure maximizes usable capacity.

• Safety & Monitoring: Equipped with real-time BMS, fire suppression, and fault diagnostics.

• Long Lifecycle: Over 8,000 cycles, 15+ years lifespan.

• Flexible Integration: Compatible with solar PV, wind, and grid-tied applications.

Applications of 3.35MWh Container ESS

• Utility Grid Support: Frequency regulation, peak shaving, and backup.

• Renewable Energy Storage: Stabilizing output from solar and wind farms.

• Industrial Energy Optimization: Power demand management and resilience enhancement.

• Microgrid & Island Applications: Reliable off-grid and backup solutions.

Projects often combine multiple 3.35MWh units with higher-capacity systems such as 5MWh or 6.7MWh containers to scale up storage networks.

Price of 3.35MWh Container ESS

The cost of energy storage systems for renewable energy integration depends on several factors, including system capacity, storage duration, battery type, control software, installation conditions, and auxiliary equipment.
Pricing is usually quoted under international trade terms such as EXW, FOB, or CIF, depending on project location and logistics preferences.
For a tailored quotation based on your specific project needs, it's best to consult directly with the supplier.

How to Select the Right 3.35MWh ESS for Your Project

When choosing a container energy storage system, consider:

• Operating Environment (temperature, humidity)

• Load Profile (duration and peak demand)

• Integration Requirements (PV, wind, or hybrid system)

• Certifications (CE, UN38.3, MSDS, etc.)
  A professional supplier can help optimize system sizing and interface with local grid standards.

How Long Does the 3.35MWh ESS Last?

Typically, liquid-cooled container systems maintain over 8,000 charge-discharge cycles, lasting 15 years or more under proper maintenance and temperature control.

The Supplier of 3.35MWh Container ESS

Reliable suppliers such as Dagong ESS manufacture certified large-scale solutions including 3.35MWh liquid-cooled and 5MWh air-cooled container ESS, ensuring safety, efficiency, and long-term reliability for global energy projects.