Battery analysis system, battery analysis method, and accumulators analysis program

An object of the present invention is to accurately estimate the deterioration state of the battery. A measured used from the beginning to the initial use within a predetermined period, the data of the time series change of the voltage and current values ​​during charging of the storage battery 183 is measured into the analysis target time after elapse of the predetermined period and time-series data changes when the storage device 11 which stores the data of the series change, the voltage and current values ​​during charging which is measured in the use initial voltage and current values ​​during charging of the storage battery 183, the analyte read from the storage device 11 the data of the time series change of the voltage and current values ​​at the time was measured charging the time, by comparing the data for each time series change read here, the initial use and the analysis identifying differences of the time series change between the time the object, executes a process of storing the information of the difference as an indicator of degradation state of the corresponding storage battery 183 to the storage device 11 computing device From 4 which make up the battery analysis system.