Battery state analysis method and device, equipment and storage medium

The invention discloses a battery state analysis method, device and equipment and a storage medium, and the method comprises the steps: obtaining the single voltage data of a single battery, carrying out the differential calculation of the single voltage data if the single voltage data is higher than a preset single voltage threshold value, and obtaining the differential voltage data, performing inflection point searching on the differential voltage data according to a preset relation value table to obtain a characteristic inflection point, obtaining integral electric quantity of the power supply battery according to the characteristic inflection point to obtain characteristic electric quantity, and performing numerical calculation according to the characteristic electric quantity and preset standard capacity to obtain a battery health state value. According to the invention, the battery health state of the automobile power battery can be obtained without standing of the battery. 本发明公开了一种电池状态分析方法、装置、设备及存储介质，电