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" <[email protected]> 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 <[email protected]> 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." <[email protected]> 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 > > > > > > ______________________________________________________________ > > > Elecraft mailing list > > > Home: http://mailman.qth.net/mailman/listinfo/elecraft > > > Help: http://mailman.qth.net/mmfaq.htm > > > Post: mailto:[email protected] > > > > > > This list hosted by: http://www.qsl.net > > > Please help support this email list: http://www.qsl.net/donate.html > > > > > ______________________________________________________________ > > Elecraft mailing list > > Home: http://mailman.qth.net/mailman/listinfo/elecraft > > Help: http://mailman.qth.net/mmfaq.htm > > Post: mailto:[email protected] > > > > This list hosted by: http://www.qsl.net > > Please help support this email list: http://www.qsl.net/donate.html > > > > > > -- > *N6OL* > Saying something doesn't make it true. Belief in something doesn't make it > real. And if you have to lie to support a position, that position is not > worth supporting. > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
