accessory battery

English

Noun

accessory battery (plural accessory batteries)

1. (automotive, of electrified vehicles) The standard 12V rechargeable automotive lead-acid battery or the stand-in battery for a standard 12V automotive battery found in internal combustion engined vehicles, typically used to power the typical 12V systems, the accessories, infotainment, automotive computer, and electronic systems.

   Coordinate terms: traction battery, starter battery, automotive battery, automobile battery, car battery