[Tfug] Li-on battery

Jeremy D Rogers jdrogers at optics.arizona.edu
Wed Feb 20 16:31:29 MST 2008


On 2/20/08, Ronald Sutherland <ronald.sutherland at gmail.com> wrote:
>
>
>
> On Wed, Feb 20, 2008 at 8:10 AM, Jeremy D Rogers <
> jdrogers at optics.arizona.edu> wrote:
>
> >
> >
> > [snip]
> > >
> > > But the estimated remaining available time didn't seem to accurately
> > > reflect what I estimated to be the remaining time, so I decided to
> > > deep-cycle it once to see if it would correct the problem, after doing
> > > some searching around the 'net, and reading some forums.  I ran the
> > > machine until it died, doing memtest86.  Since then, about 3 days ago,
> > > it won't charge - the charge light always blinks amber - so that's
> > > likely the 1st and last time I'll ever deliberately deep-cycle a Lion
> > > battery.  (How I loath Li-on batteries!  How I wish I could choose a
> > > NiMH battery - they just seem to be a lot more forgiving, and not to
> > > age a lot more gracefully!)
> >
> > [snip]
> >
> > In my experience, deep cycle = badness. I'm no expert, but I think a lot
> > of the deep-cycle advice out there is carry over from other chemistries like
> > NiMH that
> >
>
> hmmmm.... I think that was Ni-Cad not NiMH ( unless your trying to start
> some more carry over, in which case never mind. )
>

Hah! Fair enough. I admit guilt but only on the grounds of ignorance.
I should have spent more time on wikipedia.
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