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What specs should I look out for UPS (jlai.lu)

submitted 4 months ago* (last edited 4 months ago) by [email protected] to c/3dprinting

37 comments fedilink hide all child comments

I'm looking to buy ups as I have few power outage (last between 1 to 5 seconds max) where I live but I have never used one so don't know what specs should I check for

Ideally I will plug my 3d printer (about 100-160w when printing), a pi 4 with nvme drive (no idea of wattage) and a mini pc with n100 processor (around 10-20W)

Thanks for your advices

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[–] papalonian 2 points 4 months ago (1 children)

A note on noise in case there is some misunderstanding.

The UPS is silent during normal operation (at least, all of them I've ever seen are, maybe super heavy duty ones will have a cooling fan but I've never seen one and even that can't be too loud), the only time it will make noise is when the power goes out and it switches to battery or if you are pulling too much power to keep the battery fully charged it will beep to warn you.

If you are expecting a few outages that last a few seconds, you probably don't need the beep warning, so as the other person said a mute option would be nice as the beep is usually very loud, my first UPS did not have this option so I just opened it and cut the lead to the speaker..

[–] [email protected] 1 points 4 months ago (1 children)

I will look for a fanless ups as I'm kinda sensitive to noise and everything is setup in my living room..., I will make sure I have the mute option available.

[–] papalonian 1 points 4 months ago

Another small note regarding fans, I've never actually seen a UPS with a fan before I just figured there's probably some out there, if you're looking at something and it doesn't say anything about being fanless or silent or anything I'd just assume it doesn't have a fan.