- A battery that provides power in the event of a AC power failure.
IT glossary of terms, acronyms and abbreviations. Faulkner Information Services . 2015.
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Battery Backup Unit — Eine Battery Backup Unit (BBU, bei manchen Herstellern auch als Battery Backup Module bezeichnet) versorgt akkugestützt den Cache eines RAID Controllers bei einem Stromausfall kurzzeitig mit Energie. Dadurch bleibt der Inhalt des Caches… … Deutsch Wikipedia
Backup (disambiguation) — The term backup has several meanings.* In reference to information technology: ** Backup The concepts behind backing up data to enable recovery from data loss. ** Backup software The software that performs this function. ** List of backup… … Wikipedia
Backup battery — A backup battery provides power to a system when the primary source of power is unavailable. Backup batteries range from small single cells to retain clock time and date in computers, up to large battery room facilities that power uninterruptible … Wikipedia
battery — /bat euh ree/, n., pl. batteries. 1. Elect. a. Also called galvanic battery, voltaic battery. a combination of two or more cells electrically connected to work together to produce electric energy. b. cell (def. 7a). 2. any large group or series… … Universalium
Battery — /bat euh ree/, n. The, a park at the S end of Manhattan, in New York City. Also called Battery Park. * * * Any of a class of devices, consisting of a group of electrochemical cells (see electrochemistry), that convert chemical energy into… … Universalium
Battery room — Telecommunications/Computing A battery room is a room in a facility used to house batteries for large scale custom built backup power systems. These batteries are usually wired together for 12, 24, or 48 volt supplies primarily for… … Wikipedia
backup battery — reserve battery; battery that serves as a substitute or support … English contemporary dictionary
Sodium–sulfur battery — Cut away schematic diagram of a sodium–sulfur battery. (image courtesy NASA John Glenn Research Center). A sodium–sulfur battery or liquid metal battery is a type of molten metal battery constructed from sodium (Na) and sulfur ( … Wikipedia
Electric vehicle battery — Further information: Rechargeable electricity storage system For the starting, lighting and ignition system battery of an automobile, see Automotive battery. A Mitsubishi i MiEV having its batteries installed in Japan … Wikipedia
Nickel–iron battery — specific energy 30 −50 Wh/kg energy density 30 Wh/l specific power … Wikipedia