#$%^&*AU2018100808A420180719.pdf#####ABSTRACT The present utility model relates to a bug-repelling device and a bug-repelling device with a lighting function. The bug-repelling device has a bug repeller and a battery cavity configured to receive a battery; wherein the battery is configured to drive the bug repeller; and the battery is configured to be removably mounted into the battery cavity. The battery is also compatible with at least one portable electric tool for driving the portable electric tool. The battery for the bug-repelling device in the present utility model is a battery also used by conventional electric tools, and thus the installation, replacement and charging operation of the battery are very convenient. 10378182_1 (GHMatters) P109094.AU0- U-0 0- r-0