also: バッテリ
Refers to a device that stores and supplies electrical energy, such as a dry cell, rechargeable battery, or car battery.
The remote control's battery died.
My smartphone battery runs out quickly.
battery (baseball: pitcher and catcher)
Baseball term for the pitcher-catcher pair. Used in phrases like バッテリーを組む.
This team's battery works well together.
My phone's battery died.
I charged the battery overnight.
On a cold morning, the car's battery went dead.
Since it was old, I replaced the battery.
I ended up being the catcher paired with the ace pitcher.