battery-backed English

Meaning battery-backed meaning

What does battery-backed mean?

battery-backed adjective

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

— (electronics, computing) Using a battery to maintain volatile memory when powered off.

— (video games, of saved game data) Written to a volatile memory chip in a video game cartridge to maintain the data when not in use.