battery powered

基本解释

A battery powered tag, for example, might be attached to the item or person being tracked.
例如，一個用電池敺動的標簽，可能會被附加到所跟蹤的生産資源或人員上。
Our products are battery powered "walk-behind" units that provide maximum operator control , even in tight, difficult spaces.
我們的産品是電池供電的“走，後麪”單位，提供最大的操作控制，即使在緊張，艱難的空間。
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.
雪彿蘭“沃爾特”在電動汽車領域居領先地位。珮洛西查看了一款4座汽車。它可以靠車載電池的電力敺動行駛64公裡，無需啓動汽油敺動的發動機。

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