this post was submitted on 11 Jan 2025
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BrokenFans (lemmy.ml)
submitted 4 days ago by [email protected] to c/[email protected]
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[โ€“] [email protected] 0 points 2 days ago (1 children)

depends on how new/old your unit is.

should be able to find out how many watts yours is and figure out runtime based on the watthours of the ups.

you can also use their tool: https://www.cyberpowersystems.com/tools/runtimes/

if your cpap is 50watts that ups will run it for around 100 minutes.

there are bigger more expensive ones too though. you could probably make one that's DC that waaaay cheaper though.

[โ€“] [email protected] 2 points 2 days ago

Thanks looks like I'd probably get about 100 minutes at 80 watts of draw. Better than nothing but only a drop in the bucket during storm season around me unfortunately, if storms continue to grow in intensity I can expect at least 1-2 complete overnight outages a year