These battery-powered devices offer tobacco-less doses of nicotine in a vaporized solution.

这款产品是由电池驱动，利用雾化器的功能将烟液变成可吸进人体的雾气。

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But everyone knows that if you use battery-powered devices intermittently they use more energy.

但是大家都知道，如果我们间歇性地使用电动装置，会消耗更多能量。

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E-cigarettes are battery-powered devices that look like cigarettes and deliver an aerosol of nicotine and other chemicals.

电子烟是带电池的电子香烟，看起来就像是真的香烟一样，通过雾化等手段，将尼古丁或者其他化学物质等变成蒸汽。

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Others are battery-powered. Experts say these devices should be placed near sleeping areas in the home.

VOA: special.2010.02.02

It adds that the software will be tailored towards battery-powered devices (think tablet computers).

FORBES: Microsoft Seen Working With ARM On Tablets

Be careful when using Bluetooth in battery-powered devices though, leaving it switched on draws additional power from the battery.

BBC: NEWS | Programmes | Click | Click Essentials: Bluetooth

Electronic cigarettes are battery-powered devices that heat a liquid nicotine solution in a disposable cartridge, creating vapor that users inhale.

NPR: Marlboro Maker Altria 1Q Profit Up About 16 Pct