This is the 2998th most frequent Japanese word.
バッテリー
"バッテリー" means "battery" (device for storing electrical energy) or "battery" (baseball term for pitcher and catcher).
In this sentence, バッテリー refers to the power source of the camera, highlighting its usage as a component that provides energy and the advantage of its longevity.
このカメラのバッテリーは長時間持つので便利です。
The battery of this camera lasts a long time, so it is convenient.
Here, バッテリー denotes the device's rechargeable power cell, focusing on its capacity and the necessity of recharging when depleted.
スマホのバッテリーが切れたので充電しなければならない。
The smartphone's battery has run out, so I need to recharge it.
In this context, バッテリー refers to the electric bike's power source, emphasizing the action of replacing it when it is no longer functioning properly.