Table of Contents

System Configuration Overview

System Features & Benefits

On-Site Commissioning & Training

Conclusion

In September 2025, SolarEast BESS successfully delivered a 1 MW/2 MWh large battery storage container AC-coupled containerized battery storage to a factory in Germany, marking the company’s latest step in supporting European industrial clients with high-efficiency energy storage solutions. Designed for seamless integration with solar PV, diesel generators, and unstable local grids, the system enhances energy reliability, boosts energy efficiency, and enables full on- and off-grid flexibility.

Given the account the environmental climate of the customer's area. this containerized battery storage deployment demanded not only smart integration but also robust, long-lifespan infrastructure. SolarEast BESS tailored a rugged and intelligent large battery storage container solution to meet the environmental and operational demands of the Europe market.

System Configuration Overview

Total System Name: SolarEast BESS-1MW-2MWh Containerized Battery Storage

Application: Peak shaving, energy arbitrage, load backup, and off-grid resilience

Battery type: 3.2V, 314Ah

Architecture: AC-Coupled, fully integrated with solar and diesel genset

Battery Storage System (Total: 2.089 MWh, Liquid Cooling)

1P52×5×8 lithium battery modules (per container) = 2.089 MWh

Dimension (W*D*H): 6058×2438×2591mm

Cooling method Liquid cooling/50% ethylene glycol

Cycle Life 8000Cycles(0.5P,25+2°C,@70%SOH)

Liquid cooling system for thermal stability and safety

System Features & Benefits

AC-Coupled PV Compatible: Seamlessly integrates with the site’s photovoltaic system

Diesel Generator Support: External gensets serve as a standby for enhanced off-grid reliability

Flexible Operation Modes: Fully supports on-grid, off-grid, and hybrid modes

On-Site Commissioning & Training

In October 2025, SolarEast BESS engineers will arrive on-site in Germany to provide comprehensive support for the installation of this large battery storage container project.

Our team carried out system commissioning, testing, and full integration, ensuring seamless compatibility with leading inverter brands.

They also offered real-time troubleshooting and delivered localized training to empower the customer's technical team with hands-on operational knowledge. Our local partners highly appreciated their expertise and professional service.

Conclusion

This successful 1MW/2MWh Containerized Battery Storage deployment demonstrates SolarEast BESS's capability to deliver scalable, intelligent, and resilient large battery storage container energy storage systems under challenging environmental conditions.  It is a powerful solution for commercial users looking to achieve energy independence, reduce costs, and improve sustainability, especially in regions with unstable grid infrastructure.