ADAPTER, POWER SUPPLY DEVICE, AND OVER-DISCHARGE PROTECTION METHOD
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United States of America Patent
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May 3, 2017
filing date -
May 16, 2016
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Abstract
A power supply device includes a battery pack for storing electric energy and an adapter for outputting the electric energy stored in the battery pack. The battery pack includes a battery controller for detecting the voltage of the battery pack. The adapter includes an adapter controller for receiving a signal sent by the battery controller and stopping the adapter outputting the electric energy when a length of time that the battery pack has the voltage less than a predetermined voltage threshold reaches a predetermined length of time.
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