Definition from Wiktionary, the free dictionary
battery-backed (not comparable)
- (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.