A kind of power-operated mower, including shaft, the shaft front end is equipped with cutter head, the shaft middle section is equipped with battery pack and hangs the erecting by overhang of shaft, shaft is equipped with a handle in the sling point Hou side of erecting by overhang, shaft Hou end is equipped with a hand rest, and the position setting of battery pack and erecting by overhang sling point should make immediately ahead of the what sling point of entire grass trimmer center of gravity position. This creation is light easy to operate, can easily operate women or teenager user.一種電動割草機，包括桿身，所述桿身前端設有刀頭，所述桿身中段設有電池組及吊掛桿身的吊掛裝置，桿身在吊掛裝置的吊掛點後方設有一握把，桿身後端設有一手托，電池組及吊掛裝置吊掛點之位置設置應使整個割草機重心位於吊掛點正前方。本創作輕便易操作，即使女性或青少年使用者也能輕易的操作。
