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HP-35 Battery/Charger question

Forum Smartphones & PDAs : Handhelds General - HP-35 Battery/Charger question

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Anonymous   02-03-2005 at 12:17:05 PM

Archived from groups: comp.sys.handhelds (More info?)

 

I've heard that the HP-35 will not operate from the charger without a
battery pack installed.

Is this true?

TIA.
-Steve

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Anonymous   02-03-2005 at 01:58:32 PM
- 0 +

Archived from groups: comp.sys.handhelds (More info?)

 

sraasch@yahoo.com writes:
> I've heard that the HP-35 will not operate from the charger without a
> battery pack installed.
>
> Is this true?

No. It will operate from the charger, IIRC. You're thinking of the
HP-21/25/etc. series which use the batteries as a voltage regulator.

Reply to Anonymous
Anonymous   02-05-2005 at 02:11:15 AM
- 0 +

Archived from groups: comp.sys.handhelds (More info?)

 

sraasch@yahoo.com writes:
> I've heard that the HP-35 will not operate from the charger without a
> battery pack installed.

No. It will operate from the charger, IIRC. You're thinking of the
> HP-21/25/etc. series which use the batteries as a voltage regulator.

Which means that on the HP-21/22/25/25C/27/29C, if you attempt to
operate the calculator with the adapter but without a good battery
pack installed (and making good electrical contact), the electronics
of the calculator will be damaged! :-(

This saved HP perhaps around $0.25 in manufacturing cost. :-(

Reply to Anonymous
Anonymous   02-08-2005 at 10:06:59 PM
- 0 +

Archived from groups: comp.sys.handhelds (More info?)

 

Great. Thanks for the information!

-Steve



Paul Rubin wrote:
> sraasch@yahoo.com writes:
> > I've heard that the HP-35 will not operate from the charger without
a
> > battery pack installed.
> >
> > Is this true?
>
> No. It will operate from the charger, IIRC. You're thinking of the
> HP-21/25/etc. series which use the batteries as a voltage regulator.

Reply to Anonymous
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