Honda Motor Co., Ltd.
DIAGNOSTIC DEVICE, DIAGNOSTIC METHOD, DIAGNOSTIC SYSTEM, AND PROGRAM

Abstract:

A diagnostic device (100) includes: an acquisition unit (101) that acquires first charging information including a first detected value detected by an external charger (200) during charging of a battery mounted in a vehicle (10) and second charging information including a second detected value detected by the vehicle; and a deterioration estimation unit (105) that estimates a deterioration degree that indicates a degree of deterioration of the battery on the basis of the first charging information and the second charging information.