[PLUG] UPS shopping

Russell Senior russell at pdxlinux.org
Fri Dec 29 11:01:45 UTC 2023


Out of my price range, but:

https://www.amazon.com/Tripp-Lite-SMART1000RM2UL-UPS/dp/B07VDQ7TZV

On 12/29/23 02:36, Russell Senior wrote:
> Hi folks,
>
> This isn't strictly a Linux question, but since it is to power a Linux
> machine (or several) I think it is probably close enough.
>
> I have several Uninterruptible Power Supplies scattered around the
> house. A week or so ago, one of them started beeping at me a few times a
> day to let me know it thought its batteries needed replacing. Since it
> tended to beep at me (at least when I heard it) at night, after
> battery-supplier-store hours, I'd mentally note it and then the next day
> I'd have forgotten about it. However, last night around 1am, things went
> sideways. I'm not sure what the trigger was, but the UPS decided that if
> I wasn't going to take it seriously, it was just going to to lights-out
> completely dead. As I bypassed the UPS with a plain-old power strip, I
> also found that one of my devices, a 16-port dumb network switch was not
> entirely happy either. Its 12V ac adapter had apparently given up
> (unloaded, I was seeing about 9V out the end). I replaced the wall wart
> and switch function returned to normal.
>
> The long-and-short of the matter is that I'm now in the market for a
> replacement UPS. The old one was a pretty old APC Smart-UPS 1000,
> probably 20-ish years old and had seen numerous battery replacements.
>
> Does anyone have recent experience, either positive or negative, and/or
> any advice on replacements. I'd consider a used older model. I actually
> have two 12V 17A-hr SLA batteries on the shelf from a previous
> misadventure (I managed to kill another UPS while removing the old
> batteries, ripping a custom transformer off the UPS circuit board), so
> bonus points if the UPS takes that size batteries. I am pretty sure I
> got a replacement for it off ebay.
>
> I recall Keith lamenting that Li-FeO4 backed UPSs were not on the market

Li-FePO4, not what I said before.

> not so long ago.
>
> Anyway, I am soliciting advice to help broaden my long-but-narrow
> personal experience.
>
> Thanks!
>



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