| 摘要 |
<p>A system for charging a power tool battery (22) includes a charging device (31, 34, 36) capable of charging a battery (22), a memory device (34b) capable of storing data of a plurality of sound patterns, a selecting device (34) capable of selecting a sound pattern data from the plurality of sound patterns, and a sound generating device (38a, 37) capable of generating a sound based on the selected sound pattern data when the charging operation of the battery (22) by the charging device (31, 34, 36) has been completed.</p> |
