A battery eliminator is a device powered by an electrical source other than a battery, which then converts the source to a suitable DC voltage that may be used by a second device designed to be powered by batteries. A battery eliminator eliminates the need to replace batteries but may remove the advantage of portability.
例句与用法
1.
The battery eliminator fits on your radio in place of the battery and plugs into a cigarette lighter socket for power 车载电池插在汽车的点香器上可以代替电池为您的对讲机提供无限的电力。
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