battery-powered
01
電池式の, バッテリー駆動の
using a battery as the main source of energy to operate a device or equipment
例
He bought a battery-powered flashlight for camping trips.
彼はキャンプ旅行用に電池式の懐中電灯を買った。
They use a battery-powered fan during power outages.
彼らは停電中に電池式の扇風機を使います。
