[Elecraft] K3 13.8 VDC power

[Matt Zilmer]

The SCC3 is in use here too.  The basic 20 Amp unit can be scaled up
to higher rated amperage by adding additional FETs.  The instructions
for this are included.

73,
matt
W6NIA


On Mon, 22 Dec 2014 06:49:49 -0800, you wrote:

>There are some cautions in floating a battery with a mains power 
>supply. For example, the ProAudio Engineering PAE-Kx33 4A 
>switching power supply I am using with my KX3 specifically says 
>not to use the power supply for directly charging batteries, and 
>voids the warranty if you do.
>
>I had a prototype battery charge controller I was designing let 
>the magic smoke out when the input power dropped and the battery 
>sent current backwards through the circuit. The tantalum cap was 
>actually in flame. (A diode was part of the fix.)
>
>Like Jim, I use a solar charge controller 
><http://www.cirkits.com/scc3/> to charge the batteries which run 
>my K3 station.
>
>73 Bill AE6JV
>
>On 12/22/14 at 11:31 PM, rpfjeld at embarqmail.com (Richard Fjeld) wrote:
>
>>Is anyone floating a battery across their power distribution?
>>
>>Dick, n0ce
>
>---------------------------------------------------------------------------
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Matt Zilmer, W6NIA
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