NTLK Solar chargers

From: Gruendel, Frank 3837 PPE-WT (Frank.Gruendel@de.heidelberg.com)
Date: Fri Aug 04 2000 - 07:48:20 CDT


------------------------------

Date: Thu, 3 Aug 2000 17:31:18 +0100
From: Bradley Smith <BradleyS@artisansw.com>
To: "'newtontalk@planetnewton.com'" <newtontalk@planetnewton.com>
Subject: RE: NTLK Better new PDAs galore (was: Re: NTLK Pocket PC Anyone)
Message-ID: <A0F2464B7C71D2118ACD0080C8586E7E827C44@ARTISAN_UK_MAIL>

<Bad Joke>
Try again when it's sunny?
</Bad Joke>
Sorry.
Brad
> Speaking of which, how does one charge a Newton with Solar panels? I
> found a link somewhere, but it was dead... :(
>
> James

Date: Thu, 03 Aug 2000 19:08:40 +0200
From: Lui Frimmel <luifri@atnet.at>
To: newtontalk@planetnewton.com
Subject: Newt/Solar was:Re: NTLK Better new PDAs..
Message-ID: <4.1.20000803185500.00a0fc20@mail.atnet.at>

At 12:21 03.08.00 -0400, you wrote:

>>Speaking of which, how does one charge a Newton with Solar panels? I
>>found a link somewhere, but it was dead... :(

>Any 6 to 7,5 V panel will do the job...

If you have rechargeables installed and they are ok, this is fairly
safe. They will limit the voltage the MP sees to about 5 volts. As
long as they are healthy. If you have (empty) alkalines or no
batteries at all in your Newton, it is essential that the voltage the
panel provides doesn't exceed 7.5 volts. Never ever, not even for a
microsecond. This is why I would never connect a MP to an unreglated
solar charger. It's cheaper and safer to get a solar charger that can
charge 4 AA cells externally.
Which has the additional benefit that you can charge one pack while
you carry your Newton around, powered from a second pack.

Frank
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