A battery condition monitoring system which may be employed in an electric vehicle is disclosed. This system determines a terminal voltage of a battery under discharge of a given current and a consumption of electric energy stored in the battery and calculates a rate of change in terminal voltage...http://www.google.fr/patents/US5698962?utm_source=gb-gplus-shareBrevet US5698962 - Memory effect sensitive battery monitoring apparatus for electric vehicles
Memory effect sensitive battery monitoring apparatus for electric vehicles ...