also: バッテリバックアップ
battery backup
Computing term for a backup power source using a battery, often used in contexts like UPS or memory retention.
Battery backup is essential for the server.
The battery backup activated during the power outage.
Variant without long vowel marker; common in technical contexts.
Spelling with interpunct; used for clarity in some documents.
Variant with interpunct and without long vowel marker.
Loanword from English 'battery backup'.