A connector terminal includes a connection body terminal unit and a coupling terminal unit receiving the connection body terminal unit. The coupling terminal unit having an upper coupling terminal part symmetrically arranged with a lower coupling terminal part. Each of the upper and lower coupling terminal parts includes a fixed end, a free end, and a bent portion. The free end is movable and is positioned opposite the fixed end. The fixed end includes a plurality of contact points. The bent portion is positioned between the fixed end and the movable free end, and is disposed along a front side of each of the upper and lower coupling terminal parts.