BATTERY MODULE

摘要

PURPOSE: A battery module is provided to enable a user to easily distinguish a cathode terminal and an anode terminal by changing the location and shape of a concave part or forming a convex part on a first terminal, and to obtain resistance to vibration and impacts, to be more easily assembled, and to minimize a contact resistance. CONSTITUTION: A battery module comprises: secondary batteries which includes a first terminal(140) and a second terminal(130) and has a distinction part comprising a concave part(141) or a convex part(145); and a connection member which connects the secondary batteries electrically and is fixed to the first terminal and the second terminal. The connection member includes a confirmation part which is fitted into the distinction part. The secondary battery has an electrode group and a lead member.