Disclosed is a battery pack which can be adaptively used even in various approaching and extending directions of a connection wire even while ensuring the safety by minimizing exposure of an electrode terminal. The battery pack according to the present invention comprises: a cell assembly having a plurality of secondary batteries; a pack housing having an internal space to receive the cell assembly; an electrode terminal which is connected to the cell assembly and is formed to protrude to the outside of the pack housing; and a terminal cover which covers the top portion and a part of the sides of the electrode terminal and is configured to be attached/detached to/from different portions of the pack housing.
