Re: The life of the batteries in the IBook running linux
On Thu, Dec 12, 2002 at 10:40:58PM +0100, Michel Lanners wrote:
> On 12 Dec, this message from Rogério Brito echoed through cyberspace:
> > On quinta-feira, dez 12, 2002, at 14:42 America/Sao_Paulo, Michael
> > Flaig wrote:
> >> on my pismo the battery can't hold 100% charge. When the battery is
> >> 100%
> >> full, charging is stopped until the battery lost 5% ...
> >
> > That's interesting. On my iBook2, I don't see that much decharging, but
> > I definitely do see some.
> >
> >> i think apple keeps the battery full by recharging it when it lost 5%
> >> capacity and not keep charging ... because full is full :-)
> >
> > Well, I'd expect it to not use the battery at all (and also to disable
> > the charging process) when the notebook is plugged on the wall. This
> > would mean that less charge-recharge cycles would be needed and the
> > battery would last longer.
> >
> > Does this also occur to other powerbooks (e.g. the TiBooks)?
>
> I definitely see it on a Dell laptop. I'm not aware of it happening on
> my TiBook first-gen, but I'd expect it to.
>
> The point is AFAICT that the battery will self-dicharge at a more or
> less slow rate, and this charge loss will be compensated by regularly
> recharging the battery a bit.
>
> In general, this is considered good practice and doesn't adversly affect
> battery life.
Didn't Apple change this policy recently and only began charging the
battery if it was very low, in order to not diminish the remaining
charge cycles of the battery ?
Friendly,
Sven Luther
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