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levmc

macrumors 6502a
Original poster
Jan 18, 2019
687
25
What is the battery called that let's you use your computer even when there is a power outage?
 
Apple's figures for Power consumption:

https://support.apple.com/en-us/HT201918

Or better yet, put a power meter between your computer's power strip and the wall to get an idea of how much your computer draws with external hard drives attached.

Should be a simple matter to buy a ups that powers your system either through the outage/brownout or gives you enough time to shut down.

Most of the formulae out there include large fudge factors.
 
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