Reports of early wear-out batteries in vehicles with stop-start system and recuperation often read that the system has always been deactivated. On the other hand, there are reports in which the vehicle is driven completely unbiased, i.e. with the use of all existing consumers and the stop-start function, and the battery lasts for quite 4 to 6 years. It may be that the battery in systems with recupe, provided that the engine is sufficiently long to operate if the stop-start function is used?