Freqcon offers reliable, safe and flexible lithium-ion battery storage systems as complete turnkey solutions. The core of our BESS offerings is our proven multi-source inverter, which provides high modularity and flexibility for the BESS. Our inverters are highly sustainable and have a nominal lifespan of 20 years! Implement projects with high-quality LiFePO4 batteries that are perfectly tailored 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 supplies battery storage solutions in containers with state-of-the-art active fire suppression systems using Stat-X aerosol solutions. We provide a project-specific solution for your application in the power range of 500 kW to 2 MW, scalable up to 50 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 the battery storage system or replace entire battery chemistries without the need to install additional inverters.
Learn more about our BESS solutions for C&I and utility-scale applications with >10-year capacity guarantees.
If you already have batteries or are interested in developing projects using second-life batteries, take a look at our BESS Custom solutions!