| 摘要 |
A secondary battery pack is provided with a plurality of secondary battery cell groups 100,200,300,400 . With a special serial and parallel connection manner, the respective battery cell groups can still work properly in the case that any single battery cell is faulty. Moreover, the positive or negative terminal of each of the battery cells of the respective battery cell groups is connected to a fuse 51,52,53 , so that the failed secondary battery cell is isolated from the remaining good secondary battery cells to improve safety of the secondary battery pack. |
