This battery configuration tool for vehicles equipped with start/stop and/or a regenerative braking system. When replacing the battery on such vehicles the necessity for the battery to communicate with the vehicle ECU is required. This tool enables the analysis of the data helping diagnose problems. For use with all battery brands on the following vehicles Audi, Citroën, Ford, Peugeot, Seat, Skoda, Volvo and VW vehicles regularly updated for further enhancement of the coverage.