PROBLEM TO BE SOLVED: To improve waterproof property against rain water, watering, etc., of a battery-attaching part for attaching a battery in an electric lawn mower in which the electric motor is driven by the battery as an electric source.SOLUTION: The electric lawn mower is constituted by installing a battery cover 22 for covering the battery-attaching part 20, and forming drainage holes 25 and 25 in the battery cover 22 at lower points of the battery attaching mount 23.COPYRIGHT: (C)2013,JPO&INPIT【課題】電動モータがバッテリを電源として駆動する電動芝刈機において、雨水や散水等に対するバッテリを装着するためのバッテリ装着部の防水性を高める。【解決手段】バッテリ装着部20を覆うバッテリカバー22を設け、バッテリカバー22内においてバッテリ取り付け台座部23の低い部位に排水孔25,25を設けた構成とする。【選択図】図2