Re: [NTLK] Car Charger for $70?

I haven't looked at any official specs, but here's what I gather you'd
need for a DC car charger (or any charger, for that matter) from
looking at my two Apple-branded MP and eMate adapters:
7-7.5 V
500 - 1200 mA (0.5 - 1.2 A)
center positive (inside is +)
5mm plug (I could be wrong on this one)

As far as I can tell, the charger you mention can do all those EXCEPT
the 500 mA. I have an (~10 yr-old) 273-1810 and it does only 300 mA.
Now, that might be enough, but you may want to only charge with it (if
you try to use the MP at the same time it may not have the power and
you may blow the 273-8111's fuse).

It would be nice if we could come up with a DC charger, though,
because the inverter-option is not only clumsy, but also highly
inefficient (you might burn something like 10 W just to deliver 3 W to
your MP).

-Robert

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On Oct 19, 2008, at 8:34 PM, newtontalk@newtontalk.net wrote:

> Date: Sun, 19 Oct 2008 09:44:59 -0700
> From: "Dennis B. Swaney" <romad@aol.com>
> Subject: Re: [NTLK] Car Charger for $70?
>
> Radio Shack has one for $26.49:
>
> Universal Vehicle DC-to-DC Adapter
> Model: 273-1811 | Catalog #: 273-1811
>
> It has adjustable output for 3, 4.5, 6, 7.5, or 9VDC output, and uses
> adaptaplugs. You'll need to take your MP2100 to a store and see which
> plug is required; hopefully it will be one of the 4 included (A, B, H,
> M) in the package.
>
> BTW, is the MP2100 input jack + tip, - ring or vice versa?
>
> --
> Sincerely,
> Dennis B. Swaney
>
> "Windows is a command-line OS with a GUI shell while Mac System 10 is
> ... oh, never mind."

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Received on Mon Oct 20 01:20:22 2008