A battery pack includes a battery including at least one battery cell, a terminal portion electrically connected to the battery and including a first pack terminal connected to an external load and a second pack terminal, a first switch configured to switch a discharge current of the battery according to a first control signal, a second switch configured to open or close according to a second control signal, and to open the first switch that is turned on by the first control signal, by a voltage of the first pack terminal or the second pack terminal, and a battery manager configured to output the first control signal and the second control signal.