Disclosed is a battery charging management system of an automated guided vehicle that travels in an unpiloted manner by using a mounted battery as a driving source, the mounted battery being charged in a charging station, wherein a battery charging controller that monitors a remaining capacity of the mounted battery is mounted on the automated guided vehicle, the battery charging controller starts a charging operation for the mounted battery in the charging station when the remaining capacity of the battery is lower than a predetermined value, and a charging route of the vehicle is cut off when a charging amount of the mounted battery reaches a predetermined capacity during the charging operation.