[Elecraft] KX2/KX3 DC Charging

[Dennis Moore]

So you're taking your 12v source (let's say it's 13.8v), adding an 
inverter to make 120v, then plugging in a charger to bring it back down 
to 13.8v.

I'm fairly new to the KX3 game, but it seems like I must be missing 
something here.

73, Dennis NJ6G


On 11/16/2018 09:58, K9MA wrote:
> One solution to charging the Li-Ion batteries from a 12 V DC source is 
> to use a small inverter. One I've found which works well is the Samlex 
> PST-120-12. It's a small "pure sine wave" inverter, rated 120 W, 
> costing about $120. It seems to work just fine with the KXBC2 charger, 
> and should work just as well with the KXBC3. I would use only a "pure 
> sine wave" inverter, as the square wave from a "modified sine wave" 
> inverter is likely to cause the charger to malfunction.
>
> Needless to say, I have no connection with the vendor, other than as a 
> customer. I've had good luck with other Samlex products.
>
> 73,
>
> Scott K9MA
>