[aprssig] Power For a Lap Top

[Jim Andrews]

I've had experience with the cheap 240v inverters (generally a "smoothed square
wave", rather than true sine) and used them to charge all manner of equipment
using laptop and wall-wart power supplies for phones & PDA's and never had a
problem.

Can't see the US 110v being much different, unless there is something peculiar
in inverter design when using a centre-tapped supply.



Jim, G1HUL


-----Original Message-----
From: aprssig-bounces at lists.tapr.org
[mailto:aprssig-bounces at lists.tapr.org]On Behalf Of Ron
Sent: 28 August 2005 14:38
To: TAPR APRS Special Interest Group
Subject: [aprssig] Power For a Lap Top


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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