Wholesale Supply: Offshore container energy storage system | Commercial Energy Storage Cabinet | Global Delivery

Product Summary

This Offshore container energy storage system is a high-capacity, fully integrated Battery Energy Storage Solution (BESS) designed for the rigorous demands of commercial and industrial (C&I) applications. As a turnkey PV-Storage-Charging solution, this unit is engineered to optimize energy costs, provide backup power, and support EV supercharging infrastructure. Our system is built with Tier-1 LFP cells and an advanced liquid cooling system, ensuring superior cycle life and thermal stability. With a 10-Year Performance Warranty and global shipping availability, we provide a reliable foundation for your energy independence projects.

Why C&I Sourcing Chooses Offshore container energy storage system

For large-scale energy storage deployments, procurement decisions are driven by total cost of ownership (TCO) and system reliability. Our Offshore container energy storage system offers a superior LCOE (Levelized Cost of Energy) compared to traditional diesel generators and less efficient storage alternatives. The integration of our system into a micro-grid or industrial park can deliver maximum peak shaving ROI by leveraging its high-power charge/discharge capabilities and intelligent EMS (Energy Management System) for active grid dispatch. This unit is the ideal choice for businesses seeking to decarbonize their operations while securing a stable and predictable energy supply, backed by our extensive experience in manufacturing and global logistics.

Product Overview & Safety Architecture

The Offshore container energy storage system is housed in a robust, weather-resistant enclosure, making it suitable for diverse environments. Its architecture is built around a multi-level safety framework that includes:

• Advanced BMS (Battery Management System): Provides real-time monitoring of cell voltage, temperature, and state of charge, ensuring optimal performance and longevity.
• Multi-stage Fire Suppression System: Integrated sensors and an automated fire suppression system provide a highly secure ESS cabinet, meeting international safety standards.
• Liquid Cooling Technology: This high-efficiency liquid cooled cabinet maintains optimal operating temperatures across all cells, significantly reducing the risk of thermal runaway and enhancing the overall cycle life.
• Active Cell Equalization: The system ensures balanced charge and discharge across all cells, preventing capacity degradation and maximizing usable energy, aligning with extended durability storage device performance metrics.

Designed for seamless transition ESS hardware applications, this unit can operate in both on-grid and off-grid modes, making it perfect for micro-grids and industrial parks with critical load requirements. Its modular scalable ESS cabinet design allows for parallel expansion via an integrated interface, enabling you to scale your energy storage capacity as your business grows.

Technical Specifications

This Offshore container energy storage system is a premium factory-tested ESS unit, certified to UL 9540 and IEC standards, providing safe energy independence for your commercial projects. Below are the verified parameters of this high-performance BESS unit.

Technical Feature	Specification
Battery Chemistry	Tier-1 LFP (LiFePO4)
Cooling / Thermal Control	Smart Liquid Cooling System
Nominal Capacity	10ft Model: 2.5MWh / 20ft Model: 5.0MWh
Nominal Voltage	768V DC
Round-trip Efficiency	≥ 92%
Cycle Life (at 25°C)	> 6,000 cycles at 80% DoD
Operating Temperature	-20°C to +55°C
Protection Class	IP65 (Outdoor Rated)
Safety Certifications	UL 9540, IEC 62477, UN 38.3
Warranty	10-Year Performance Warranty
Communication Protocols	Modbus TCP/IP, CANbus

Application Scenarios

EV Supercharging Stations & Industrial Parks

The Offshore container energy storage system is a turnkey solution ESS equipment perfectly suited for high-demand applications. At EV supercharging stations, it acts as a buffer, storing energy during off-peak hours and delivering it rapidly to charge multiple vehicles simultaneously, reducing demand charges and enhancing grid stability. This capability positions it as a cornerstone for future-ready PV-Storage-Charging solutions.

In industrial parks and commercial facilities, this system is deployed for peak shaving, load shifting, and backup power. Its robust continuous charge-discharge capability ensures operations can continue seamlessly during grid outages or periods of high energy demand. By integrating the Offshore container energy storage system with your existing solar canopies, you can achieve a higher degree of energy independence and reduce reliance on the traditional grid.

Supply Assurance & Global O&M

As a global supplier of Offshore container energy storage system ESS, we understand the complexities of international procurement. We offer turnkey global delivery with professional logistics support, ensuring your equipment arrives on time and ready for deployment. Our Local O&M Support infrastructure provides comprehensive after-sales service, including commissioning, maintenance, and troubleshooting, to guarantee long-term system performance.

We stand behind the quality of our product with a 10-Year Performance Warranty. This commitment, combined with our factory-direct pricing and flexible MOQ options, makes us the trusted partner for your commercial energy storage needs, providing absolute project landing guarantee.

Frequently Asked Questions

What are the key advantages of your liquid cooling system?

Our liquid cooling system is critical for maintaining thermal stability, which directly enhances the cycle life of the Tier-1 LFP cells. It allows for higher and more consistent charge/discharge rates, minimizes performance degradation over the system’s 10-year lifespan, and ensures safe operation in extreme climates, making it the ideal high efficiency liquid cooled cabinet for demanding applications.

How does the Offshore container energy storage system support peak shaving?

The system is designed for maximum peak shaving ROI. It stores energy during low-cost, low-demand periods and intelligently discharges it during peak demand hours, significantly reducing a facility’s electricity costs and relieving stress on the grid. This is driven by our smart dispatch BESS infrastructure and advanced EMS.

Is the system scalable for future energy needs?

Yes. Our cabinet features a parallel expansion interface, making it a modular scalable ESS cabinet. You can start with a single unit and add more as your energy requirements grow, ensuring a future-proof investment that adapts to your evolving commercial operations.

What international certifications does this system hold?

This Offshore container energy storage system is fully certified to UL 9540 and IEC standards, ensuring it meets the highest safety and performance requirements for global markets. This makes it a UL 9540 & IEC certified BESS unit you can deploy with confidence, aligning with premium factory-tested ESS quality standards.

How is the system supported after purchase?

We offer a 10-Year Performance Warranty and have established Local O&M Support networks to ensure your system operates at peak efficiency throughout its lifetime. From pre-sales capacity sizing to post-commissioning lifecycle support, our team is dedicated to your success. This ready to deploy commercial battery ESS comes with comprehensive, long-term after-sales advisory support.