| 摘要 |
PURPOSE: A charging battery pack including multiple module battery packs is provided to freely set the desired capacity of the battery pack, and to easily replace the demoralized battery pack only. CONSTITUTION: A charging battery pack(100) includes multiple module battery packs, and a coupling unit. The multiple module battery packs comprise a battery cell storing the electricity; outer cases(110,112) storing the battery cell; and positive and negative electrode terminals protruded from the outer cases, which is located to face each other. The coupling unit connects the positive and negative electrode terminals. |
