[ltp] poll: how is your battery? (9-cell-battery lost about 25% capacity in 10 months)

[David Tansey]

how do you test this? i'd like to know what my x40's 8-cell holds.

On 7/11/05, Kelvin KAN <kelvin@sgi.com> wrote:
> My T42, bought 2005/1, now 30 charging cycles:
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> design capacity:         47520 mWh
> last full capacity:      45000 mWh
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> i.e. loss of more than 5% in 7 months, even when I have been always
> taking out the battery in office/home environments.
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> Yes, compared with my previous TP600E, I think T42 is much worse.
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> -
> kelvin.
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> honey@gneek.com wrote:
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> > On Mon, 11 Jul 2005, Fionn Behrens wrote:
> >
> >> What would you say, is a loss of 25%-30% in 10 months really acceptabl=
e
> >> for a quality battery? What are your own experiences?
> >
> >
> > I'd tend to agree - my IBM battery experience is certainly worse than
> > my Dell experience (just about everything else has been better).  My
> > 6-cell T40 battery is I guess about 15 months old:
> >
> > design capacity:         47520 mWh
> > last full capacity:      18450 mWh
> >
> > Lasts about 30 minutes or less now.  I don't see that there's much
> > you can do except write off IBM as using a poor-quality battery
> > supplier?  And cost replacements into the running cost of IBM laptops.
> > I incidentally never bother taking my battery out - the heat from my
> > CPU/motherboard never seems to reach the battery when I feel for it,
> > and it always feels quite cool.  Taking it out would seem to me to
> > really unbalance the laptop.
> >
> > Must test my 9-cell battery soon.
> >
> > Honey
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