[Elecraft] K3 going mobile?

[Robert Klein]

I have a K3/100, no sub-receiver.

I do not find anything in the K3 manual, on the Elecraft website or that I
recall seeing on this reflector regarding mobile use of the K3.  All that I
find in the manual is, ³12 VDC IN jack is an Anderson PowerPole connector
rated at 30 amps. (See Specifications, pg.8, for detailed power
requirements.)² and ³13.8 V nominal (11 V min, 15 V max). 17-22 A typical in
TX for K3/100, 3-4 A typical in TX for K3/10. 0.9A typical RX (less sub
receiver).  Recommended supply: 13.8VDC @ 25A, continuous duty for K3/100;
13.8VDC @ 6A for K3/10. For best results, use the supplied 5 foot (1.53 m)
power cable.²

I take long road trips several times a month and would love to be able to
use my K3 along the way.  Can I assume by the lack of information that this
is not recommended?  Of course, I don¹t want to something that would damage
the unit or void the warranty.

If I were to do this, I would expect to wire directly to the battery (not
through the fuse panel) with fuses in both leads (how many amps, 25?).  Will
I need some kind of choke or filter to avoid engine noise?  Anything else I
should know or that you fine folks could suggest will be most appreciated?

Thanks,

Robert
KI4ZHF