BATTERY PACK

A battery pack, includes: a battery cell comprising a main body comprising an electrode assembly, and a terrace part from which electrodes connected to the electrode assembly are drawn out; and a protection module package seated on the terrace part of the battery cell and electrically connected to the battery cell, wherein the protection module package includes: a circuit board includes: a first surface facing the terrace part of the battery cell; a second surface opposite to the first surface; a third surface, which is between the first and second surfaces and faces the main body of the battery cell; and a fourth surface opposite to the third surface and on which a test port is formed; and a connection tab connecting the battery cell to the circuit board.