A power cutter disclosed herein may include: a disk blade; a body configured to rotatably support the disk blade about a rotation axis and comprising an electric motor for rotationally driving the disk blade; a plurality of battery packs detachably attached to the body and configured to supply electric power to the electric motor; a grip disposed on the body and configured to be gripped by a user; and a main switch disposed on the grip and configured to electrically connect the plurality of battery packs to the electric motor when the user activates the main switch; wherein a central axis of the grip extends along a reference plane which is perpendicular to the rotation axis of the disk blade, and a distance from the reference plane to the disk blade is less than or equal to 1.5 times a width of the grip.
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