[Elecraft] External battery for KX2, field day and SOTA

[Eric Norris]

I, too, use Bioenno batteries.  They work well, and I have tested the ones
I own under load, and the advertised capacity ratings are pretty accurate.
My one gripe is that the balancing circuitry is built into the pack.  This
causes them to slowly self-discharge.  The original A123 batteries use a
balancing system built into their specialized chargers, and they hold their
charge much longer.  However, A123 filed Ch11, and they are now back in
production by a new owner.  I don't know how good the new ones are, but
they are available once again through Buddipole.  My now very old original
A123 packs still test out at 85% of their original capacity.  They were
expensive, but they were a good investment.  I've had them, I think, about
10 years--I used to use the S4P1 to power my beloved KX1, which at 14.2V
put out bookoo power!

73 Eric WD6DBM

On Mon, Jun 1, 2020, 5:41 AM Tommy <tommy58 at hvc.rr.com> wrote:

> I use a Bioenno 9ah battery with mine, works great.
>
> Tom - KB2SMS
>
>
> On 6/1/20 7:39 AM, Doug Daniels wrote:
> > I'm hoping to get my KX2 for Field Day, and am looking to get an external
> > battery to use for FD as well as SOTA. I'm looking at the Talentcell and
> > Bienno 12v 12Ah ones. Anything specific to the KX2 I need to know about
> > external batteries? I know the internal one is more or less proprietary.
> >
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