HomeServicesBlogDictionariesContactSpanish Course
Home › Dictionary › English › battery backup
← Back to search

Meaning of battery backup | Babel Free

Noun CEFR B2

Definitions

A battery installed in an electrical device to maintain power to the device during a power outage.

uncountable

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
See all B2 English words →

See also

battery booster battery cage battery cell battery charger battery electric multiple unit battery electric vehicle

Learn this word in context

See battery backup used in real conversations inside our free language course.

Start Free Course

Know this word better than we do? Language is a living thing — help us keep it growing. Collaborate with Babel Free