| 摘要 |
The embodiment relates to a battery pack having improved durability and safety by forming fixing ribs in a holder case mounted on a plurality of battery cells to fix the battery cells and a lead wire in implementing the battery pack. A battery pack according to the present invention includes: a plurality of battery cells electrically connected by connection tabs; a holder case covering a portion of the outer surfaces of the battery cells; a protection circuit module mounted on the holder case; and a lead wire connecting the protection circuit module with the battery cells, in which the holder case has at least one fixing rib that fixes the battery cells and guides the lead wire.
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