| 摘要 |
<p>PURPOSE: A battery pack is provided to prevent the water penetration between cases, and to easily exhaust water to outside the battery pack in case water is penetrated inside the battery pack. CONSTITUTION: A battery pack comprises: a lower case(100), a battery cell accepted inside the lower case, a protective circuit board accepted inside the lower case, an upper case(400) formed on the lower case, and a separator case formed between the protective circuit board and the upper case. The separator case comprises a separator(310) separating between upper cases, a water-proofing layer(330) formed on the upper side of the separator, and an extended separator part(370a) extended along the lower case direction from the separator.</p> |
