| 摘要 |
An apparatus for charging a portable device battery with a vehicle battery is provided. The apparatus includes a storage, a voltage monitor for monitoring voltage of the vehicle battery, a portable device connector, and a charging controller. The storage stores a charging table in which charging quantity ratios of the portable device battery to voltage bandwidths of the vehicle battery are written. The charging controller controls the connector so that the portable battery is charged to a desired value of voltage that corresponds to the monitored voltage in the charging table. With this apparatus, it is possible to charge conveniently, among others.
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