| 摘要 |
<p>Provided is a transportable power source device (10) in which a plurality of battery packs (80) can be mounted, direct current from the mounted battery packs is converted to alternating current, and power afforded by this alternating current is supplied to the outside. The mountable battery packs are chargeable battery packs which are detachably attached to an attachment part of an electric tool and used as a power source for the electric tool, the battery packs are provided with an attachment part (30) which has the same mechanical shape as the attachment part of the electric tool, and the battery packs are mounted by being detachably attached to the attachment part.</p> |
