BATTERY PACK

A battery pack includes at least one battery cell, a circuit board electrically connected to the at least one battery cell, and a conductive block electrically connecting the at least one battery cell and the circuit board to each other, the conductive block having a first surface, the first surface including a first metal and a second metal different from the first metal, and a second surface in contact with the first surface along an edge, the second metal including the second metal.