A voltaic battery in which the electrolyte is water. / (military) A battery nearly on a level with the water.

(historical, military, US) A group of cannons pulled by mules, used in 19th century warfare.

Several magnets placed with their like poles together, so as to act with great force.

(psychology) The use of information from multiple batteries of tests in order to guide diagnostic decisions and to gain a fuller picture of an individual.

Alternative form of counterbattery

A rechargeable battery used to power the electric motor(s) of a battery electric vehicle (BEV) or hybrid electric vehicle (HEV).

A deep-cycle battery used to power electric appliances and equipment in a motor home, caravan, boat, or other vehicle with living quarters.

(rare) Alternative form of batteries-included

(of an electric vehicle) Having its traction motors powered by on-board rechargeable batteries.

(electronics, historical) An unspillable electrochemical battery whose cells use electrolyte soaked sand – typically used to test telegraph cables at sea.