[PLUG] technical circuit diagnosis

Eitan Tsur eitan.tsur at gmail.com
Thu Jun 4 20:26:39 UTC 2009


sorry, forgot to mention it was plugged in all night.

On Thu, Jun 4, 2009 at 12:34 PM, wes <plug at the-wes.com> wrote:

> I wouldn't assume that based on just unplugging the power right away. I
> would let it try to charge for a few hours before pulling the plug.
>
> Even a good battery will discharge sitting on the shelf.
>
> -wes
>
> On Thu, Jun 4, 2009 at 10:51 AM, Eitan Tsur <eitan.tsur at gmail.com> wrote:
>
> > OK, so there's DEFINITELY something wrong with the laptop side of the
> > equation.  Tried the old battery, which the laptop still ran on
> originally,
> > (and it was stored charged), and upon installation, turn it on, plugged
> > into
> > mains power.  Unplug mains power, laptop shuts off immediately.  Thing
> is,
> > it's a Sager 2200T.  Can one still get parts (IE: a motherboard) for
> these?
> >
> > On Wed, Jun 3, 2009 at 11:25 PM, Eitan Tsur <eitan.tsur at gmail.com>
> wrote:
> >
> > > I bought the replacement pack from an OEM supplier, build quality was
> > > identical if not better, capacity was almost 1 Ah better, (measureable,
> > not
> > > just that they tweaked the sticker), etc...
> > >
> > >
> > > On Wed, Jun 3, 2009 at 7:55 PM, m0gely <m0gely at gmail.com> wrote:
> > >
> > >> wes wrote:
> > >> > You are correct, those are very interesting points. If your
> > >> understanding of
> > >> > the connector is correct, you should be able to recondition the
> cells
> > >> > individually. Or, if you can use a tester to find the bad one, just
> > >> > recondition that one.
> > >> >
> > >> > If it's less than a year old, I would suspect a manufacturing defect
> > in
> > >> the
> > >> > battery. Wouldn't be the first time...
> > >>
> > >> If you have a laptop battery that holds a charge at the 10 year mark
> you
> > >> are by far the exception. Almost any laptop I've ever seen at 4 to 5
> > >> years, if the battery works at all it's usually around 10 to 15
> minutes
> > >> of run time.
> > >>
> > >> And on another note, eBay is a Chinese flea market for laptop
> batteries,
> > >> no matter how genuine the auction says it is. If you get an actual
> > >> genuine battery from eBay you got very lucky. Check this out:
> > >>
> > >> http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=260370980796
> > >>
> > >> FAKE! I know, I got one. And what's that, 9 some odd pages of images
> and
> > >> text convincing you otherwise. See how the battery says made in China
> in
> > >> two spots yet the country code says KR? Or how about the Rev A00 not
> > >> matching the white label? Capitalized mAH, should be mAh. And yet the
> > >> battery I got, which said made in Japan, was one digit off on the
> serial
> > >> number from the Chinese version in the picture, *one digit off in the
> > >> middle*! The manufacturing quality sucked in comparison to my original
> > >> too.
> > >>
> > >> </rant>
> > >>
> > >> --
> > >> m0gely
> > >> _______________________________________________
> > >> PLUG mailing list
> > >> PLUG at lists.pdxlinux.org
> > >> http://lists.pdxlinux.org/mailman/listinfo/plug
> > >>
> > >
> > >
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> >
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