Re: [IRCA] 12 Volt DXing and computers

[Walter Salmaniw <salmaniw@xxxxxxx>]

At 04:47 PM 11/26/2006, you wrote:

>> I am thinking of converting some of my equipment over to 12 volt
>> DXing so I can take advantage of remote locations.  I can power my
>> R8B with no problem, but what about computers?  I have search for a
>> power supply made for my laptop, but it looks like there is nothing
>> available perhaps because it requires a step up in voltage.  A DC-AC
>> invertor and then using the computer's AC-DC power supply is not a
>> real option because of the electical noise an invertor produces.  A
>> spare computer battery might be an option, but I would like to avoid
>> that and use my car's battery or another 12 volt battery.
>
>Multiple rechargeables in series that add up to the required voltage?  Steps
>of 1.2v are possible with nicads..
>
>I can also see a long string of the ancient 1.5v telephone dry cells.
>(grin)


Another option is what John Bryant did.  He coupled (I believe) a 13.8v marine battery with a 6v motorcycle battery in series.  His computer power supply is somewhere in the range of 18v.  I see my Dell is powered by a 19.5 V transformer, so the match is perfect.......Walt.



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