On June 20, 1945, company founder Günter Fronius signed the above announcement. It is the starting signal for a success story that continues to this day and is currently being passed on in the third generation.

The starting point is the Austrian market town of Pettenbach, where their company headquarters are still located. Günter Fronius lives and works here after receiving an old military barrack in exchange for repair work.

At that time, charging car batteries was not a matter of course - a fact that he does not want to accept. The trained electrical engineer therefore develops simple battery chargers using the available resources. Based on the same technology, he expanded his product portfolio to include welding transformers in 1950.

Fronius grew into a stately medium-sized company in the following decades.