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Stacked near the checkout counters, and as colorful as a Fisher-Price toy, it is a not-so-serious-looking power tool: a battery-operated saw-and-drill combination.

堆在收银台附近，像费雪玩具一样颜色鲜艳的它，是一个看起来不那么严肃的电动工具：一个电池驱动的锯和钻的组合。

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Inside are battery-operated devices that are very sensitive to touch.

VOA: special.2010.11.26

Hitomi Murakami, of KDDI, says battery-operated mobile phones cannot keep up with the new applications.

CNN: Search for better phone power

By the following home game against Palace it was battery-operated candles - 2, 000 of them.

BBC: Championship chargers

John Osher, an entrepreneur had started a company that made a popular battery-operated lollipop.

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