| 摘要 |
PROBLEM TO BE SOLVED: To provide a vehicular power-supply device capable of more efficiently charging a battery with regenerative electric power and the like.SOLUTION: A vehicular power-supply device includes: a battery group in which two or more batteries are serially connected together; an electric generator that is connected in parallel with the battery group; a first switch group that enables connected and disconnected states to be switched between respective batteries of the battery group; and a second switch group that can be switched so that the respective batteries of the battery group and the electric generator can configure a parallel circuit. |
