(baseball) One who plays in the same battery, either the pitcher or the catcher.

A small cage in which a hen is kept to lay eggs.

A power cell having potassium hydroxide as its electrolyte, a zinc / manganese dioxide cell.

A portable battery, fitted with cables and a charger, used to charge a dead battery, especially in a car.

(electronics, of a device) Using a battery to maintain operation when not powered by the main electrical supply (e.g. during a blackout).

In telegraphy, the source of power that actuates the telegraphic station recording instruments, as distinguished from the source of power that furnishes current to the line.

A stamp mill.

plural of battery cage

A battery whose purpose is, in addition to powering an electronic device, making the powered device permanently unusable once the energy runs out.

plural of battery mate