| 摘要 |
A power adaptor is connected between a power supply and an electronic device. The electronic device includes a device charging connector, and an electricity storing unit connected to the device charging connector. The power adaptor includes a power source connector and a first magnetic body. The power source connector is capable of electrically connecting with the device charging connector such that the electricity storing unit is charged by the power supply. The first magnetic body is arranged on the power source connector. The electronic device further includes a second magnetic body. When the electricity storing unit is fully charged, a direction of magnetic field of the second magnetic body is set such that a repelling force is generated between the first magnetic body and the second magnetic body, thus an electrical connection between the power source connector and the device charging connector is disconnected.
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