> Alan,
>=20
> I did the same thing: "got a new larger capacity battery for it, but it
> would be nice to rejuvenate this one as a backup" and I did reload the ol=
d
> pack with new cells.
>=20
> I can tell you how to open the pack - it's not that hard, and I can tell =
you
> how to replace the cells.

Yes, I did manage to get mine open, without damaging the plastic too badly.

> Anyone have this info for a Dell PT434 battery pack?  Preferably through
> SMBus commands.

I went looking for "dell battery reset" on the web, and it appears there ar=
e some programs out there that will access the battery for you while it is =
in the laptop. One seems to require a simple i2C interface to be built to r=
eset the parameters, but I haven't investigated yet, beyond doing some down=
loads.

Interestingly the battery appears to have a good set of cells in it. Before=
 I last removed it from the laptop, mid December, I fully charged it. I hav=
en't used it since and the cells are all showing around 4.1V, giving a full=
 pack voltage of 12.3. I would have thought that if there was a serious cel=
l problem that one pair of cells (they are hard wired parallel pairs) would=
 show a dip by now.

I suspect mine may have 'just' got its cycle counter in a twist, as it hasn=
't done a lot of operation on battery.
--=20
Scanned by iCritical.

--=20
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