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

[David Tansey]

that'd be nice if i had windows... any way to do it in linux?=20

-david

On 7/11/05, Kelvin KAN <kelvin@sgi.com> wrote:
> We don't "test" the battery capacities.  They are reported by (Windows)
> Thinkpad Config - Battery Maximizer Wizard.
>=20
>=20
> David Tansey wrote:
>=20
> >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:
> >>
> >>design capacity:         47520 mWh
> >>last full capacity:      45000 mWh
> >>
> >>i.e. loss of more than 5% in 7 months, even when I have been always
> >>taking out the battery in office/home environments.
> >>
> >>Yes, compared with my previous TP600E, I think T42 is much worse.
> >>
> >>
> >>-
> >>kelvin.
> >>
> >>
> >>honey@gneek.com wrote:
> >>
> >>
> >>>On Mon, 11 Jul 2005, Fionn Behrens wrote:
> >>>
> >>>
> >>>>What would you say, is a loss of 25%-30% in 10 months really acceptab=
le
> >>>>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
> >>>
> >>--
> >>The linux-thinkpad mailing list home page is at:
> >>http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad
> >>
> >>
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