Fighting for the power.
Ian Smith
smithi at nimnet.asn.au
Tue May 12 10:51:59 UTC 2009
On Tue, 12 May 2009, Peter Jeremy wrote:
> On 2009-May-11 13:38:25 -0700, Kevin Oberman <oberman at es.net> wrote:
> >LI-Ion batteries will deteriorate if not fully discharged periodically
> >and even more if almost always on AC power and fully charged.
>
> Li-ION batteries deterioriate under virtually any conditions. My
> reading suggests storing them partially charged in a fridge is best.
My reading also. I've got a spare virtually-new Li-Ion battery for my
old Compaq Armada (my main server :) in the fridge at the moment, its
present battery looking like it might last another year at best.
> >charge point. "Full discharge" means disabling automatic suspend on low
> >battery in power management and letting them run down as far as
> >possible.
>
> A friend & I both have HP nx6125 laptops. We have both accidently run
> our batteries to cutoff on a number of occasions and every time we do,
> acpiconf reports the battery capacity drops by about 5%.
Might that be because the battery only adjusts its capacity data on full
discharge, though?
cheers, Ian
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