[Elecraft] 4S lipo battery for KX3?

[Mark Goldberg]

The LiFePO4 batteries have to be external. They don't fit inside and are
completely different voltages and charge characteristics. They should have
a balancing charger, many external universal RC chargers do that. I've
posted links in the past to some chargers.

Mark
On Aug 25, 2013 12:52 PM, "Nicklas Johnson" <nick at n6ol.us> wrote:

> This is the first time I've read about LiFePo4 batteries; is it correct to
> say that one needs to pair a 3.2V AA LiFePo4 with a "dummy" AA?  Does the
> timed charger module in a KX3 play nicely with this type of battery?
>
>    Nick
>
>
> On 25 August 2013 12:23, Mark Goldberg <marklgoldberg at gmail.com> wrote:
>
> > I use LiFePo4 batteries. 4s will go from 14 to 12V from 0 to 90%
> discharge.
> > Perfect match for KX3 with full power all the way. No voltage reduction
> or
> > noisy DC-DC converter needed. Search the Elecraft lists archives for mine
> > and other posts with sources.
> >
> > Mark
> >  On Aug 24, 2013 8:03 PM, "Gil G." <gil at keskydee.com> wrote:
> >
> > > Hello,
> > >
> > > I just got a lipo charger and 3S packs for my MTR and K1, but I wonder
> if
> > > a 4S pack could be used with my KX3? The voltage is presumably 14.8V,
> > but I
> > > assume it would be a little more at full charge..? Is anyone using a 4S
> > > battery pack with the KX3?
> > > I guess I could use one or two diodes to drop 0.6 or 1.2V…?
> > >
> > > Thanks.
> > >
> > > Gil.
> > > --
> > > PGP Key: http://keskydee.com/gil.asc
> > >
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