Busbar module and power supply unit including same busbar module

A busbar module for connecting a plurality of batteries of a battery unit in which the batteries are arranged so that electrodes of each of the batteries having different polarities are disposed adjacent to each other, the busbar module comprising:

• a plurality of busbars that connect the electrodes adjacent to each other;
• a plurality of terminals connected to the busbars respectively to detect a voltage of the batteries;
• a plurality of wires connected to the terminals respectively;
• a plurality of plates accommodating the busbars, the terminals and the wires, and provided above the battery unit;
• and
• a connector, configured to mechanically connect the plurality of plates together,
• wherein each of the plurality of plates is independent with respect to each other, and
• wherein the connector includes:
• a first connecting piece provided at one end portion of the plate and formed with a projection;
• and
• a second connecting piece provided at another end portion of the plate and formed with a hole, wherein the first connecting piece of one of the plates is configured to be inserted into the second connecting piece of another one of the plates adjacent to the one of the plates.