[Elecraft] KX3 power supply

[Thorpe, Jeffrey]

I have a LiFePo from Bienno and the Buddipole charge controller for portable ops. Very tiny. System works well.

Jeff - kg7hdz

> On Jan 19, 2016, at 1:50 PM, Jim Brown <jim at audiosystemsgroup.com> wrote:
> 
> There are other good solutions. Use the panels and charge controller to charge an outboard battery.  Now you DO have enough for TX.
> 
> Genasun is the best, no RF noise, very efficient.  They make different products that are designed for each type of battery chemistry, and for different power ratings. I use the GV-10 in my station.
> 
> http://genasun.com/products-store/mppt-solar-charge-controllers/
> 
> This SunForce is less efficient, no RF noise, but very inexpensive.  $17 at amazon. Designed for lead-acid.  I used this unit in my station until I found the GV-10.
> 
> http://www.sunforceproducts.com/product_details.php?PRODUCT_ID=56
> 
> 73, Jim K9YC
> 
>> On Tue,1/19/2016 12:23 PM, Thorpe, Jeffrey wrote:
>> I did that for a folding solar panel I purchased that put out 18V. A couple zeners dropped it to 15.3V. The panel doesn't have the juice for transmission, but fine for receive (or charging the batteries).
>> 
>> Jeff - kg7hdz
>> 
>>> On Jan 18, 2016, at 16:21, Don Wilhelm <w3fpr at embarqmail.com> wrote:
>>> 
>>> John,
>>> 
>>> I would suggest that you put a diode in series with that supply - rated at 5 amps.  That will reduce the voltage by the amount of the diode drop.
>>> Running the KX3 (or any other device) above the specified maximum voltage is done at your own peril - it may work, but it taxes the regulators and other devices.
>>> 
>>> 73,
>>> Don W3FPR
>> ______________________________________________________________
> 
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