CHARGING SYSTEM AND HISTORY INFORMATION STORAGE METHOD IN CHARGING SYSTEM

摘要

PROBLEM TO BE SOLVED: To obtain a charging system and a history information storage method in the charging system capable of suppressing cost increase of system while causing a DC/DC converter to perform an advanced processing.SOLUTION: In a charging system consisting of a DC/DC converter 3 and an on-board charger 1 having an EEPROM 12, which are communicable with each other, the DC/DC converter 3 transmits a history information including at least one of self-operation information and self-failure information and the on-board charger 1 stores the received history information in the EEPROM 12.