Who we are
The service is backed by proven Slovak capacities, not anonymous investors.
The development is driven by technology enthusiasts who have been changing the way vehicles are bought in Slovakia for a decade. We are backed by the J&A Group investment group.
Our story in a nutshell
- 2017
- 2018
- 2020
- 2021
- 2022
- 2026
The founders' story
We are bringing our vehicle inspection experience into electromobility.
Jozef Knopp
Co-founder and visionary
Jozef is a long-time fighter against used car fraud. He is behind the creation of the largest verification portals such as overenie-vozidla.sk and overeniekilometrov.sk.
In 2026 he decided to fully dedicate himself to a new technology platform that aims to bring an independent standard for knowing the exact condition of a battery.
Ing. Matej Krištofič
Co-founder and technology pillar
Matej makes sure the projects have solid technological, procedural and security foundations. He turns complex automotive data into simple online solutions.
He leads the technological development of the diagnostic algorithm that can precisely evaluate the health of battery cells and provide an understandable assessment.
An ecosystem trusted by hundreds of thousands of Europeans
We are capping our buyer protection experience with a new platform for batteries. The long-term experience and technological know-how of J&A GROUP have turned into projects that help verify vehicle history and educate the market.
Vehicle history, debt enforcements and insurance events in one clear verification.
Vehicle history, debt enforcements and insurance events in one clear verification.
Our values
Transparency without compromise
We express the real condition of the traction battery in clear, verifiable numbers.
Technological independence
Tests are objective and independent of car makers and vehicle dealers.
Responsibility and safety
We stand behind our name and give the service a clear official background.