| 摘要 |
A power adapter interfacing between a vehicular electrical device and a commercial power source is disclosed. The power adapter includes a housing, an electric socket arranged on a first surface of the housing for detachably receiving thereinto the plug of the vehicular electrical device, an electric plug arranged on a second surface of the housing for detachably plugging into a socket of the commercial power source, and an adapter circuit arranged in the housing and electrically connected between the electric socket and the electric plug for converting a commercial power specification into a vehicular power specification and providing the resulting power for the vehicular electrical device. This power adapter allows a vehicular electrical device conventionally adapted for a vehicular power source only to be used both inside and outside a vehicle without modifying the vehicular electrical device.
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