this post was submitted on 11 Jan 2025
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I have one of those for my home server, how long can a CPAP run off one of those?
What's the power draw from your cpap? Considering a cpap is just a fan basically i assume it has a much lower power draw than a server
Oh definitely, really the UPS on my server only gives the server enough time to shut down services gracefully, and notify other systems when the battery of the UPS is almost dead, and then it shuts the other PC and itself off before battery hits critical. All told that's like 30 minutes at most
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.
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