My MBP C2D is about 5 months old (bought it end of November last year)
and has had 34 battery cycles and has around 52 Wh capacity (94%) so
this is relatively consistent with what you're getting and what I've
read around.

There are some things you can do to maintain your battery.  Calibrate
it every two months or so (see OS X help) - I'm not sure if this helps
the battery or just lets OS X calibrate its capacity.  Also, you
should use it enough so it cycles once per week at least.  I also
avoid microcharging when I can -- i.e. I don't let it discharge just a
few percent and then plug it back in.  Not sure if this matters but I
just do it anyway.  I generally try to use it plugged in unless its
very inconvenient.

cheers,
Sheer

On 4/30/07, Nick Hoffman <[EMAIL PROTECTED]> wrote:
> On 30/04/07, Soeren Sonnenburg <[EMAIL PROTECTED]> wrote:
> > at least it still works with system profiler -> power. ahh and BTW, I am
> > down to 34Whrs again - so this increase was probably never really there
> > (just the batterie did not after the update know its last full
> > capacity) :-(
> >
> > Soeren
> >
>
>
> my 15" MBP C2D is about 2 months old now. /proc/acpi/battery/BAT0/info says:
>         design capacity       55000 mWh
>         last full capacity      51660 mWh
>
>  System Profiler says my charge cycle count is 34. is this loss of 3500 mWh
> common? it seems like quite a lot.
> -Nick
>
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