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[aprssig] Re: aprssig Digest, Vol 14, Issue 29

Ken Cechura kc9umr at freqradio.com
Mon Aug 29 10:41:58 UTC 2005


I have a small (175W, I think) inverter that heats up horribly from running
a laptop, UNLESS I run WITHOUT the battery....  The charging circuit seems
to draw the most current (using a Toshiba Sattelite 1 GHz laptop).  I really
haven't tried it with my Acer, or the Dell I got from work.

Just my experience...

73
KC9UMR 

-----Original Message-----
From: aprssig-bounces at lists.tapr.org [mailto:aprssig-bounces at lists.tapr.org]
On Behalf Of Matt Murphy
Sent: Sunday, August 28, 2005 11:38 PM
To: aprssig at lists.tapr.org
Subject: [aprssig] Re: aprssig Digest, Vol 14, Issue 29

Ron,
I used a 100 watt inverter for my Dell Inspiron 5000. 
The only problems I had was: 
1 - if the inverter got to hot it shut down.  I installed a small (40mm) fan
wired to the switch to always run when on.

2 - The computer would shut down whe I started my vehicle.  I had a bad
battery, but you should be able to work around this with a decent battery.

My inverter is a $20 iConcepts 100 watt from Office Depot.  I used it for
8-10 hours continuous (I didn't shut off the vehicle due to #2) for 3-4 days
at a time.

- Matthew, kc8bew
----Original Msg Below----
Date: Sun, 28 Aug 2005 09:37:59 -0400
From: "Ron" <rgilson at adelphia.net>
Subject: [aprssig] Power For a Lap Top
To: "TAPR APRS Special Interest Group"
<aprssig at lists.tapr.org>
Message-ID:
<000701c5abd5$b47557e0$6401a8c0 at mdgbuft3qa24od>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
	reply-type=original

Just wondering of any precaution when operating a Lap Top (Compaq Armada
3500) from a 12 VDC to 110 VAC inverter.  I heard of a case where someone
tried a cell phone charger only to fry the power supply.  I question that
since the cell PS is low current draw and not much iron in the transformer
that spikes may have played a roll in this accident or may be it was just
that time for the transformer to go?  Thanks for your thoughts.
WA2WWK
Ron 


		
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