Re: replace UPS battery with lithium ion?

From	"Carlos E.R." <robin_listas@es.invalid>
Newsgroups	sci.electronics.repair
Subject	Re: replace UPS battery with lithium ion?
Date	2026-03-19 14:32 +0100
Message-ID	<bhat8mxded.ln2@Telcontar.valinor> (permalink)
References	<10pgioi$k9oh$1@dont-email.me>

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On 2026-03-19 11:22, George Garth wrote:
> I have an older Cyperpower 550VA where I just replaced the traditional 
> 12V lead acid battery.  Since I've had great success with 12V lithium 
> ion batteries over the years, I've wondered what would be involved to 
> use Li ion instead of lead acid?
> 
> A little online investigating shows this being done, but looks pretty 
> costly if going the commercial route.  On the other hand, safety is a 
> factor especially indoors.
> 
> Thoughts and suggestions appreciated and thanks in advance.

I don't think the existing electronics in the unit can figure out things 
like the amount of charge the battery has, what voltage to apply, when 
to finish charging... Maybe analyze if the battery is running too hot 
and is dangerous.

-- 
Cheers, Carlos.
ES🇪🇸, EU🇪🇺;

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replace UPS battery with lithium ion? George Garth <none@nowhere.com> - 2026-03-19 06:22 -0400
  Re: replace UPS battery with lithium ion? "Carlos E.R." <robin_listas@es.invalid> - 2026-03-19 14:32 +0100
  Re: replace UPS battery with lithium ion? bp@www.zefox.net - 2026-03-19 18:24 +0000
  Re: replace UPS battery with lithium ion? mummycullen@gmail-dot-com.no-spam.invalid (MummyChunk) - 2026-03-19 19:04 -0400
    Re: replace UPS battery with lithium ion? George Garth <none@nowhere.com> - 2026-03-20 03:24 -0400
  Re: replace UPS battery with lithium ion? HW <none@no.no> - 2026-03-25 10:55 +0100
    Re: replace UPS battery with lithium ion? NOSPAM.Ed.Vance@darkrealms.ca (Ed Vance) - Tue, 31 Mar 2026 21:34:15
      Re: replace UPS battery with lithium ion? HW <none@no.no> - 2026-04-01 14:14 +0200
        Re: replace UPS battery with lithium ion? Jeff Liebermann <jeffl@cruzio.com> - 2026-04-01 08:36 -0700
        Re: replace UPS battery with lithium ion? NOSPAM.Ed.Vance@darkrealms.ca (Ed Vance) - Thu, 02 Apr 2026 12:23:16
      Re: replace UPS battery with lithium ion? Ralph Mowery <rmowery42@charter.net> - 2026-04-12 10:13 -0400

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