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, [email protected] (Richard Fjeld) wrote: > >>Is anyone floating a battery across their power distribution? >> >>Dick, n0ce > >--------------------------------------------------------------------------- >Bill Frantz | "I wish there was a knob on the TV to turn >up the >408-356-8506 | intelligence. There's a knob called >"brightness", but >www.pwpconsult.com | it doesn't work. -- Gallagher > >______________________________________________________________ >Elecraft mailing list >Home: http://mailman.qth.net/mailman/listinfo/elecraft >Help: http://mailman.qth.net/mmfaq.htm >Post: mailto:[email protected] > >This list hosted by: http://www.qsl.net >Please help support this email list: http://www.qsl.net/donate.html >Message delivered to [email protected] Matt Zilmer, W6NIA -- "Give me six hours to chop down a tree and I will spend the first four sharpening the axe." -A. Lincoln ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]

