AC Input to DC Chargers

[Ron Van Putte]

Ted Sander wrote:

>Veering a little off thread about battery chargers, has anyone adapted a PC
>power supply to feed any of these chargers on the bench?  Any cautions to be
>aware of?  Seems like most chargers are made for 12V input - great at the
>field, not so handy on the bench unless you spring for the high priced
>add-on.  Obviously, we're talkin' enough input capacity for TX and RX
>batteries here, not mega-cell electric flight.  I've got two or three old
>dead PC's peeking out from under the workbench.....
>Going further, any advice on converting these power supplies to a reasonably
>accurate variable output?  My TX lets me calibrate it's built in volt meter,
>but you need stable, varying amounts of dc voltage to do it.  I'm tired of
>driving across town to borrow my friends regulated power supply, plus having
>my own would come in handy for other projects.  (But not enough demand to
>justify buying one).  Any web resources about this?
>
>  
>

Check out Red Scholefield's discussion of this topic on Red's Battery 
Clinic http://www.rcbatteryclinic.com/

Ron Van Putte


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