| 摘要 |
<p>Battery pack according to present invention comprises, a battery cell comprising negative electrode and positive electrode, and supplying charged electric power; a protection circuit module(PCM) for preventing the battery cell from being over-charged or over-discharged; a negative electrode plate coupled to the negative electrode; a positive electrode plate coupled to the positive electrode; a holder coupled to the upper portion of the battery cell and having a first opening provided in a portion where the holder is coupled to the electrode of the battery cell; a cover case being formed in shape of "?" character approximately and coupled to the battery cell, receiving the PCM, negative electrode plate, positive electrode plate and the holder. By present invention a battery pack which has improved mechanical strength by cover case protecting the battery cell is provided, and a battery pack which is convenient for assemble or disassemble of cover case and battery cell by cover case in shape of "?" character approximately is provided, and a battery pack in which a PCM or an electrode can be easily replaced when a defect is found in the PCM or the electrode is provided. Therefore, it is possible to reduce a replacement cost.</p> |
