What is a backup battery?

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Many computer users are turning to backup batteries to prevent data loss during unanticipated power outages. Backup batteries give a computer user a period of time after a power outage has occurred to properly save information and shut down their computer.

Internal

Some computers come with or can have installed a backup battery inside the computer itself. These backup batteries switch on automatically if there is a power interruption.

External

External backup batteries often look like giant power strips because they have multiple electrical plug outlets on them. These operate like internal backup batteries, but other devices such as a modem, printer or monitor can be powered by them as well.

Battery Life

Battery backup systems utilize lithium batteries, which usually have a life of three to five years, according to Toolingu, an online training company.

Backup Time

Backup batteries can power devices for as little as an hour or as much as a few days depending on the model. The longer a backup battery can provide power is greatly determined by how many devices are plugged into it and are running.

Beyond Computers

Backup battery systems are used for a number of applications other than computers, such as car alarms, home security systems and medical equipment. They can even power entire buildings.

Source:

Toolingu: What is the definition of backup battery?

BusinessDictionary.com: Uniterrupted Power Supply

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What is a backup battery?

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Internal

External

Battery Life

Backup Time

Beyond Computers

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