battery plug

基本解释

Fouth, remember pull up the Battery plug after use.
其四，电褥子使用完后要拔掉电源插头。
That ought to make it last longer than the battery of a plug-in electric vehicle.
这应该导致比外接充电式电动车的蓄电池使用时间更长。
But the car will not burn gasoline to recharge the battery until the plug-in unit is exhausted.
但是这种汽车只有在充电设施耗尽后才会通过燃烧汽油为电池充电。

We're pressing on with battery research for plug-in hybrid vehicles that can be powered by electricity from a wall socket, instead of gasoline.
NPR: President Bush's Remarks on the World Agenda
We can imagine the day when you'll be able to charge the battery on your plug-in hybrid car at night, because your smart meter reminded you that nighttime electricity is cheapest.
WHITEHOUSE: President Obama Explains the Smart Grid and Economic Recovery The White House