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DC UPS for router? (retrofed.com)

submitted 2 days ago by voyagertest@retrofed.com to c/selfhosted@lemmy.world

46 comments fedilink hide all child comments

Hi y'all looking for advice here

I selfhost a nextcloud server and a NAS for backups, and one of my challenges has been data corruption after power failures.

I went and bought some consumer UPS units about 5 years ago, which helped, but now the batteries are starting to fail, and I'm not protected from power outages until I replace them.

I have the router on UPS as well so the computers can communicate with each other that the power has failed and it is time to gracefully shut down (using NUT).

However the router itself uses quite a bit of power and I am hoping to make a smarter decision this time around when getting a UPS.

The router's power supply is 12V5A with a barrel style jack, so i have been searching for "DC UPS 12V 5A" to try and find something compatible that wastes less energy converting from battery DC to AC for the power supply to then convert back to DC.

But the only thing I've been able to find are these units designed to power electric doors: https://www.amazon.com/dp/B0D8VLPRN2/

I'm not sure if this would even be safe to use with a router, and i don't know how i would wire it up to the router either.

I think i just don't have enough knowledge to know how to shop for an appropriate DC UPS, or if such a thing even exists.

Anyone been in a similar situation?

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[–] B0rax@feddit.org 5 points 2 days ago (2 children)

Search for “router UPS”

For example there is one from APC “# APC Back-UPS Connect 12V DC 36W - CP12036LI”

[–] mbirth@lemmy.ml 2 points 2 days ago

If you search for "12V ups" there are several. However, most only go up to 2 Amps. Not sure what kind of monster router actually needs 5 Amps, though. Also, I believe those 12V UPSes don't provide status information via USB. So, there's no way to know when the battery backup is going to fail.

[–] voyagertest@retrofed.com 1 points 2 days ago (1 children)

I would love to know how you found that one, so I can look one that supports 60 W (12 V 5A). If i search that model directly, i can find it on APC's website, but no combination of search terms brings it up otherwise, not router ups, not laptop ups... All I'm getting are the standard ups models with 120 VAC outlets.

[–] B0rax@feddit.org 3 points 2 days ago

For me that was literally the first unsponsored Amazon find for the term “router UPS”