CHARGE COMMUNICATION DEVICE, CHARGE COMMUNICATION METHOD, PROGRAM AND MEDIUM

摘要

PROBLEM TO BE SOLVED: To provide a charge communication device that can prevent the completion of a communication program update from becoming difficult due to a voltage decrease in an auxiliary battery, and to provide a charge communication method, a program and a medium.SOLUTION: A charge communication device 1 includes: a determination means 3a for determining whether a power supply voltage V of an auxiliary battery 4 of a vehicle is at a predetermined value VC or lower; and a prohibition means 3b for prohibiting power supply from the auxiliary battery 4 to a device 8n other than a device 9 related to an update of a charge control program when the determination means 3a makes positive determination.