Battery module including support member including spray hole and battery pack including battery module

A battery pack comprising:

• a plurality of battery modules;
• and
• a pack frame configured to accommodate the plurality of battery modules,
• wherein each of the plurality of battery modules includes:
• a plurality of cell units, each of the plurality of cell units including a battery cell and a cell housing that surrounds at least a portion of the battery cell and includes one or more through-holes;
• one or more support members inserted into the one or more through-holes and configured to support the plurality of cell units;
• and
• a fire extinguishing agent supply member connected to the one or more support members and configured to supply a fire extinguishing agent to the one or more support members,
• wherein each of the one or more support members includes:
• a spraying hole positioned in the one or more through-holes and configured to guide the fire extinguishing agent to the cell unit;
• and an internal space connected to the spraying hole and configured to provide a path for the fire extinguishing agent.