| 摘要 |
PROBLEM TO BE SOLVED: To provide a vehicle charger capable of improving a charging efficiency and charging more electric power per unit time.SOLUTION: The vehicle charger includes: a main battery; a first auxiliary battery; and a second auxiliary battery with higher charge acceptability than that of the first auxiliary battery, and charges electric power charged in the main battery into the second auxiliary battery to charge the second auxiliary battery and supplies electric power charged in the second auxiliary battery into the first auxiliary battery, thereby charging the first auxiliary battery. |
