| 摘要 |
PROBLEM TO BE SOLVED: To provide a charge control apparatus capable of preventing deterioration of a charging efficiency in charging an auxiliary-equipment battery with power supplied from a main battery when an ignition of an electric vehicle is turned off for preventing the auxiliary-equipment battery from being exhausted.SOLUTION: A charge control apparatus includes: a main battery for supplying power to a motor being a drive source of a vehicle; an auxiliary-equipment battery for supplying power to auxiliary equipment of the vehicle; a DC-DC converter for stepping down a voltage of the main battery to supply power to the auxiliary-equipment battery; and a control part for causing the DC-DC converter to operate to charge the auxiliary-equipment battery until recovering to a given SOC when a given period of time has elapsed after an ignition of the vehicle is turned off. Further, the give period of time is changed on the basis of a history of a charge amount by the charging. |
