Battery pack protection device and method
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United States of America Patent
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Sep 26, 2017
Grant Date -
Sep 10, 2015
app pub date -
May 12, 2014
filing date -
Jul 2, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Disclosed are a battery pack protection device and method. The battery pack protection device includes: a sensing unit configured to sense an overcharging state or an overdischarging state of a battery; a plurality of switches installed on a charging path and a discharging path of the battery; a control unit configured to control the plurality of switches so that the battery is both chargeable and dischargeable when the battery is not in the overcharging state or the overdischarging state and control the plurality of switches so that the battery is only dischargeable during overcharging or only chargeable during overdischarging by an output signal of the sensing unit; and a display unit configured to display the charging state or the discharging state of the battery.
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