BTI makes an external charger (doesn't power the PB) into which you can place
the removed battery for charging.  Mine can do 2 at once, but it is for the
1400, which uses a different battery. I had one years ago that did a single
battery for my old 230 Duo. My present one discharges the battery completely
first to eliminate "Memory Set" and then charges fully. I don't remember if the
Duo's did the same. I don't have their URL, but maybe someone else can send you
to someplace that stocks them.

A charge as low as yours shows is a good indication of a bad battery. The shelf
life for PB batteries is not very good. They need to be exercised or they self
destruct. I've got several PB battery doorstops (deep sea fishing weights?) for
that very reason. I've found that almost every time you buy a used PB, you need
to buy a new battery. Used usually means that they weren't needed for a while
and weren't exercised.

David Allen

Jordan Carder wrote:

> I just acquired my first powerbook, a 180c.  The owner says he has the power
> brick, but couldn't find it at the moment, and will give it to me when he
> can.  Being the holiday season, that will likely be about 2 weeks from now.
> So - here's the situation.  It has a battery, a replacement by BTI.  That
> thing is profoundly dead, less than a volt.  I'm unsure whether it will hold
> a charge but I'd be willing to take a chance on trying it it.  Now,
> according to specs, the 'book needs a 7.5v, 3A Max DC power supply.  I tried
> it with my universal adapter, which only provides 600mA, and it was still
> lifeless.  Now that I think of it, I pray that I didn't fry it with the
> wrong polarity, being impatient, I tried both.  So - several questions.
> Should it have booted with only 600mA?  Is there a way I can modify my
> adapter to produce a higher amperage, without killing myself or destroying
> it in the process?  Also, does anyone know the correct polarity to use, so I
> can attempt to charge the battery; even 600mA should be able to give it some
> juice back, right?  If that's not a good idea, maybe charging the battery
> externally could be an option, too.
>
> Thanks in advance,
>
> Jordan
>


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