| 摘要 |
a switching unit(12) switching the discharge of a battery; an initial driving unit(13) which opens the switch for feedback as the battery is installed, and closes the switch as feedback is completed; a reference voltage unit(14) providing a battery blocking voltage from the voltage of the battery through the switching unit(12); a comparing unit(15) comparing the voltage of the battery with the blocking voltage of the reference voltage unit(14); a control unit(16) controlling the switching of the switching unit(12) according to the comparison; and a discharge load unit(17) discharging the voltage of the battery when the switching unit is open.
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