Wholesale Supply: 40ft Container Energy Storage System | 2.5MW / 5MWh Commercial BESS | Global Delivery

Product Summary

This 40ft Container Energy Storage System represents a paradigm shift in commercial and industrial (C&I) energy management, offering a robust 2.5MW rated power output coupled with a substantial 5MWh usable capacity. As a premier solution for high-demand applications like EV supercharging stations and industrial peak shaving, this system integrates Tier-1 LiFePO4 (LFP) battery cells with an advanced active liquid cooling thermal management system. This architecture ensures optimal cell temperature uniformity, directly enhancing cycle life and system reliability. Designed for seamless global deployment, each unit undergoes rigorous Factory Acceptance Testing (FAT) and is packaged for secure sea freight, ensuring it arrives project-ready. We back this system with a comprehensive 10-Year Performance Warranty and offer local Operations & Maintenance (O&M) support through our global partner network, ensuring your investment delivers consistent returns over its entire lifecycle.

Why Choose This System for Your C&I Project

Selecting an energy storage system is a strategic financial decision. This 40ft Containerized BESS is engineered to maximize your Return on Investment (ROI) through a superior Levelized Cost of Storage (LCOE). The combination of a high cycle life (>6,000 cycles at 90% DoD) and industry-leading round-trip efficiency (>92%) ensures that every kilowatt-hour stored and dispatched contributes directly to your bottom line. Whether your goal is to reduce demand charges, participate in frequency regulation markets, or provide backup power for critical infrastructure, this system offers an unparalleled value proposition. Its turnkey design simplifies installation and grid interconnection, dramatically reducing project soft costs and accelerating the time to revenue.

Product Overview & Safety Architecture

The robust exterior of the 40ft container, rated to IP65, protects internal components from environmental ingress, ensuring reliable operation in diverse climates. At the heart of the system is a sophisticated multi-layer safety architecture. A dedicated Battery Management System (BMS) provides active cell balancing and real-time monitoring of voltage, current, and temperature for each individual cell. This is complemented by an integrated Fire Suppression System (FSS) designed to detect and extinguish potential thermal events rapidly, utilizing a clean agent to protect equipment and personnel. The system also features high-voltage disconnect switches and comprehensive ground fault protection, ensuring compliance with the most stringent international safety standards (UL 9540, IEC 62619). The active liquid cooling system not only manages thermal loads efficiently but also prevents cell degradation caused by temperature differentials, acting as a key component in the system’s longevity and performance stability.

Advanced Liquid Cooling & Thermal Control

The active liquid cooling system is a critical differentiator for this 40ft Container ESS. By circulating a precisely controlled coolant through plates adjacent to each battery module, it maintains an optimal operating temperature range of 25°C +/- 2°C across all cells. This level of thermal precision is unattainable with traditional air-cooling systems and is essential for preventing capacity fade, ensuring a consistent power output, and maximizing the system’s operational lifespan. The cooling unit is integrated into the container’s design, requiring only external heat rejection via a dry cooler or chiller, making it an efficient and reliable solution for high-power applications.

Technical Specifications

Below are the key technical parameters that define the performance and capabilities of this advanced 40ft Container Energy Storage System.

Technical Feature	Specification
Battery Chemistry	Tier-1 LFP (LiFePO4)
System Energy / Capacity	5,000 kWh (5 MWh)
System Power	2,500 kW (2.5 MW)
Cooling / Thermal Control	Active Liquid Cooling
Rated Voltage	1500 V DC
Round-trip Efficiency (RTE)	> 92%
Cycle Life (90% DoD)	> 6,000 cycles
Dimensions (LxWxH)	40ft Container (12.2m x 2.44m x 2.9m)
Ingress Protection Rating	IP65
Safety Certifications	UL 9540 / IEC 62619
Communication Protocols	Modbus TCP, CAN

Application Scenarios

This system is engineered for versatility, capable of addressing the most demanding energy challenges across various sectors.

EV Supercharging Stations

With the rapid growth of electric vehicles, managing grid demand at supercharging stations is a critical challenge. This 40ft ESS provides high-power buffering, enabling stations to deliver ultra-fast charging without incurring prohibitive demand charges or requiring costly grid upgrades. It can store energy during off-peak hours and discharge it during peak demand, facilitating faster charge rates and a more stable grid connection.

Industrial Parks & Manufacturing

For manufacturing facilities and industrial parks, this system offers a reliable solution for peak shaving and load shifting. By deploying the ESS, facilities can reduce their peak demand charges, a significant portion of their electricity bill. Furthermore, it provides a clean backup power source, protecting sensitive production processes from power interruptions and ensuring business continuity.

Micro-grid & Remote Operations

The 40ft container’s robust and self-contained design makes it ideal for micro-grids, remote mining operations, and islanded grids. It integrates seamlessly with existing diesel gensets and renewable energy sources like solar PV to create a hybrid power system. This reduces reliance on expensive and polluting fossil fuels, lowers operational costs, and enhances energy independence and resilience.

Frequently Asked Questions

What is the typical delivery lead time for the 40ft Container ESS?

Our standard production lead time is 8-10 weeks from the date of order confirmation and deposit receipt. This timeframe includes manufacturing, internal quality assurance testing, and FAT. We also offer expedited production options for urgent projects, which can be discussed with our sales team.

What does the 10-Year Performance Warranty cover?

The warranty guarantees that the system will retain a minimum of 80% of its initial usable capacity over the 10-year period or until the equivalent of 6,000 full cycles is reached, whichever comes first. It covers defects in materials and workmanship and ensures the system meets its specified performance metrics, providing you with long-term peace of mind.

How does your local O&M support work on a global scale?

We have established partnerships with certified local service providers in key markets across North America, Europe, and Asia-Pacific. These partners are trained to our specific standards and can provide on-site maintenance, troubleshooting, and spare parts replacement. This ensures your system receives prompt and professional support, minimizing downtime.

Can multiple 40ft ESS units be paralleled to increase capacity?

Yes, the system is designed with a scalable architecture. Up to 10 units can be paralleled using a common AC busbar, providing a total capacity of 25MW/50MWh. This modularity allows for phased capacity expansions, letting you scale your energy storage investment as your business needs grow.

What grid interconnection support is provided?

Our engineering team provides comprehensive grid interconnection support, including the necessary documentation and technical specifications to interface with local utility standards. The system includes a bi-directional PCS that supports various grid codes (e.g., IEEE 1547, VDE-AR-E 2510-2) and can be pre-configured for both on-grid and off-grid applications.