[Elecraft] KX1 12V Power Mod Update.

[Mike Morrow]

Ed wrote:

>I bought six AA-size Li-ion 3.7V/750mah batteries. I installed them into
>each battery holder, but wired the two battery holders in parallel
>instead of in series.

Ed,

Have you had this arrangement in service long enough to determine that there isn't any significant problem associated with having these two battery banks in parallel?  My experience with such arrangements using other types of cells shows that one bank tends to discharge into the other unless blocking diodes are installed in each bank (which further drops bank output 0.3 to 0.7 vdc).  Does you protection circuit prevent this problem?

I would think that perhaps using a single four-cell holder for 14.8 vdc output might be an alternate approach, especially since the KX1 has a diode in the DC power path from the battery that reduces the voltage applied to the electronics by a few tenths.

Mike / KK5F