Freqcon offers reliable, safe and flexible lithium-ion battery storage systems as complete turnkey solutions. At the heart of our BESS offerings is our proven multi-source umrihchter, which provides high modularity and flexibility for the BESS. Our converters are highly sustainable and have a rated life of > 20 years!
Realize projects with high-quality LiFePO4 batteries that are optimally matched to your applications. Our converters are certified for various grid codes, including VDE-AR-N 4110 and VDE-AR-N 4120. Freqcon develops and manufactures the MSC converter in our factory in Rethem, Germany. This means that our inverter and EMS (Energy Management System) are always equipped for your specific application. Our software is flexible to integrate new storage applications and qualify for upcoming network certifications in different countries! Feel free to take a look at our reference projects to see the different countries and regions where we have already delivered and successfully integrated our systems.
Freqcon provides containerized battery storage solutions with state-of-the-art active fire suppression systems with Stat-X aerosol solutions. We deliver a project-specific solution for your application in the power range from 175 kW to 2 MW, scalable up to > 100 MW.

In addition, Freqcon’s inverters are flexible for connection to different battery chemistries and voltage ranges, future-proofing your system throughout its lifetime. Expand battery storage or replace entire battery chemistries without installing additional converters.
Learn about our BESS solutions for C&I and Utility Scale with capacity guarantees > 10 years.
If you already have batteries or are interested in developing projects with 2nd life batteries, check out our BESS Custom solutions!