Why don't they have battery backups for all electronics?

  • Thread starter Thread starter travelnut
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travelnut

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Last night there was a bad storm. The power didn't go off, but if it did my laptop would've gone to battery backup--all my work would've been saved.

That got me thinking--why can't other electronics have battery backups standard? I'm not talking about radios that you can put your own batteries into for backup. I mean, desktop computers, DVD players (so if you've programmed a program it'll still record), televisions, etc.

Why don't they build batteries into all of these commonly used electronics?
 
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