battery powered

基本解释

A battery powered tag, for example, might be attached to the item or person being tracked.
例如，一个用电池驱动的标签，可能会被附加到所跟踪的生产资源或人员上。
Our products are battery powered "walk-behind" units that provide maximum operator control , even in tight, difficult spaces.
我们的产品是电池供电的“走，后面”单位，提供最大的操作控制，即使在紧张，艰难的空间。
The Chevrolet Volt is leading the field in electric battery powered cars. Pelosi inspected the four-seat vehicle that touts a 64-kilometer range without using its gasoline engine.
雪佛兰“沃尔特”在电动汽车领域居领先地位。佩洛西查看了一款4座汽车。它可以靠车载电池的电力驱动行驶64公里，无需启动汽油驱动的发动机。

Others are battery-powered. Experts say these devices should be placed near sleeping areas in the home.
Others are battery-powered.
"Two-point-four billion dollars in highly competitive grants to develop the next generation of fuel-efficient cars and trucks, powered by the next generation of battery technologies all made right here in the U.S.of A,"

The gadget is AAA battery powered and there's no power adapter or in-built power pack.
ENGADGET