| 摘要 |
<p>A battery pack (2) comprises a battery unit (7), an enclosure (21) in which the battery unit (7) is to be included, a device housing (22) which is provided in a part of the enclosure (21) and has a recessed area, and a first USB interface (USB-IF) (10) which is provided in the inside of the device housing (22) and can supply an output from the battery unit (7) as a power source.</p> |
