Groups > sci.electronics.design > #489360

Re: Replace Li Ion battery

Newsgroups	sci.electronics.design
Date	2017-12-26 16:27 -0800
References	<65d2f251-78c8-4ff7-84d1-ebdc2ab4eb9a@googlegroups.com> <p1sknt$ims$1@dont-email.me> <p1tiuq07v7@drn.newsguy.com> <p1umj7$pqp$2@dont-email.me>
Message-ID	<1c047c16-da2e-4b34-90cd-e880620535ed@googlegroups.com> (permalink)
Subject	Re: Replace Li Ion battery
From	Andy <andrewkennedy775@gmail.com>

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On Tuesday, December 26, 2017 at 5:39:22 PM UTC-6, mike wrote:
> On 12/26/2017 5:31 AM, Winfield Hill wrote:
> > mike wrote...
> >>
> >> Andy wrote:
> >>> I want to replace a LiIon battery with a high capacity one.
> >>> The old one has a third yellow wire.
> >>> What is it for ?
> >>
> >> If that's the best you can do at specificity,
> >> best not risk setting yourself on fire.
> >
> >   Now, now.  Many single-cell Lithium battery
> >   packs include a thermistor to help prevent
> >   overcharging, and dangerous overheating.
> >   10k at 25 deg C is a common value.
> >
> >   I'd imagine
> 
> Those two words suggest that YOU shouldn't be playing
> with lithium batteries either!  Be Safe.
> You may not be the one injured when it catches fire.
> 
> 
> that a big battery, replacing a
> >   small one, would experience reduced stress,
> >   because its charge / discharge rate would
> >   be lower.  You do want thermal protection,
> >   be sure to use one with the same themistor.
> >
> >

Looks like he is safe to me.

Andy

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Thread

Replace Li Ion battery Andy <andrewkennedy775@gmail.com> - 2017-12-25 12:36 -0800
  Re: Replace Li Ion battery mike <ham789@netzero.net> - 2017-12-25 20:55 -0800
    Re: Replace Li Ion battery Winfield Hill <hill@rowland.harvard.edu> - 2017-12-26 05:31 -0800
      Re: Replace Li Ion battery Andy <andrewkennedy775@gmail.com> - 2017-12-26 12:47 -0800
        Re: Replace Li Ion battery Jeff Liebermann <jeffl@cruzio.com> - 2017-12-27 08:08 -0800
      Re: Replace Li Ion battery mike <ham789@netzero.net> - 2017-12-26 15:39 -0800
        Re: Replace Li Ion battery Andy <andrewkennedy775@gmail.com> - 2017-12-26 16:27 -0800
          Re: Replace Li Ion battery mike <ham789@netzero.net> - 2017-12-26 20:20 -0800
            Re: Replace Li Ion battery krw@notreal.com - 2017-12-26 23:44 -0500
              Re: Replace Li Ion battery Winfield Hill <hill@rowland.harvard.edu> - 2017-12-27 05:17 -0800
                Re: Replace Li Ion battery mike <ham789@netzero.net> - 2017-12-27 12:59 -0800
                Re: Replace Li Ion battery Andy <andrewkennedy775@gmail.com> - 2017-12-27 19:51 -0800
                Re: Replace Li Ion battery Jeff Liebermann <jeffl@cruzio.com> - 2017-12-27 21:20 -0800
                Re: Replace Li Ion battery Jeff Liebermann <jeffl@cruzio.com> - 2017-12-27 21:35 -0800
                Re: Replace Li Ion battery Andy <andrewkennedy775@gmail.com> - 2017-12-28 08:41 -0800
                Re: Replace Li Ion battery Andy <andrewkennedy775@gmail.com> - 2017-12-28 08:45 -0800
                Re: Replace Li Ion battery Jeff Liebermann <jeffl@cruzio.com> - 2017-12-28 20:24 -0800
                Re: Replace Li Ion battery Andy <andrewkennedy775@gmail.com> - 2017-12-28 20:30 -0800
                Re: Replace Li Ion battery mike <ham789@netzero.net> - 2017-12-29 03:39 -0800
                Re: Replace Li Ion battery Andy <andrewkennedy775@gmail.com> - 2017-12-29 07:04 -0800
                Re: Replace Li Ion battery Andy <andrewkennedy775@gmail.com> - 2017-12-29 11:00 -0800
                Re: Replace Li Ion battery Andy <andrewkennedy775@gmail.com> - 2017-12-28 06:51 -0800
                Re: Replace Li Ion battery mike <ham789@netzero.net> - 2017-12-27 22:26 -0800
                Re: Replace Li Ion battery Andy <andrewkennedy775@gmail.com> - 2017-12-28 08:34 -0800
                Re: Replace Li Ion battery mike <ham789@netzero.net> - 2017-12-28 10:50 -0800
                Re: Replace Li Ion battery Andy <andrewkennedy775@gmail.com> - 2017-12-28 11:52 -0800
                Re: Replace Li Ion battery John S <Sophi.2@invalid.org> - 2017-12-27 23:02 -0600
            Re: Replace Li Ion battery Andy <andrewkennedy775@gmail.com> - 2017-12-26 21:17 -0800

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