battery ·noun

Definition: a device that produces electricity to provide power for cell phones, laptop computers, radios, cars, etc. Level: A2

这个时钟的电池快没电了。

The ___battery in this clock is running low.

我需要给我的手机充电，因为电池电量不足了。

I need to charge my phone because the ___battery is low.

我的汽车电池没电了。

My car has a dead ___battery.