[Elecraft] KX3 batteries

[Mark Goldberg]

LiFePO4s will stay at high enough voltage for most of the discharge cycle
to keep the KX3 above 15W. 9Ah will run it a long time.

Regards,

Mark


On Fri, Jun 28, 2019 at 1:14 PM Chris Waldrup <kd4pbj at gmail.com> wrote:

> Will the Bioenno batteries have enough terminal voltage to get the 15W?
> I'm looking at a 9Ah unit and if so will stop by Gigaparts on the way home
> from work today and pick one up.
>
> Chris
> KD4PBJ
>
> > On Jun 25, 2019, at 9:46 AM, Walter Underwood <wunder at wunderwood.org>
> wrote:
> >
> > That may be, though the discharge curves on the data sheets seem very
> similar. Note that the two data sheets use different discharge rates, like
> 2000 mAh vs 2500 mAh. They both have the same specs for "Internal Impedance
> (after discharge to E.V.=1.0V)”: Approx. 25mΩ(at 1KHz). I have to admit
> that I have no idea what that means.
> >
> > Eneloop: https://eneloop101.com/wp-content/uploads/BK-3MCC-AE.pdf <
> https://eneloop101.com/wp-content/uploads/BK-3MCC-AE.pdf>
> > Eneloop Pro:
> https://eneloop101.com/wp-content/uploads/2017/02/BK-3HCC.pdf <
> https://eneloop101.com/wp-content/uploads/2017/02/BK-3HCC.pdf>
> >
> > These are for the latest generation of each.
> >
> > wunder
> > K6WRU
> > Walter Underwood
> > CM87wj
> > http://observer.wunderwood.org/ (my blog)
> >
> >> On Jun 25, 2019, at 6:10 AM, Chip Stratton <lightdazzled at gmail.com>
> wrote:
> >>
> >> I think Eneloop Pro have a higher internal resistance than the regular
> Eneloop. In my experience, using both of them sequentially, the KX3 went
> more quickly to the enforced 5 watt maximum output with the Eneloop Pro
> cells compared to the standard Eneloop, despite the higher ultimate
> capacity of the Eneloop Pro. But, YMMV!
> >>
> >> Chip
> >> AE5KA
> >>
> >> On Mon, Jun 24, 2019 at 9:32 PM Walter Underwood <wunder at wunderwood.org
> <mailto:wunder at wunderwood.org>> wrote:
> >> Right, Eneloop Pro get 500 cycles instead of 2000 for regular Eneloop.
> But I’m OK with 500 charge cycles and getting 2550 mAh instead of 2000 mAh.
> >>
> >> The Wikipedia page for Eneloop is fairly informative.
> >>
> >> https://en.wikipedia.org/wiki/Eneloop <
> https://en.wikipedia.org/wiki/Eneloop>
> >>
> >> wunder
> >> K6WRU
> >> Walter Underwood
> >> CM87wj
> >> http://observer.wunderwood.org/ <http://observer.wunderwood.org/> (my
> blog)
> >>
> >>> On Jun 24, 2019, at 5:15 PM, Dave Sublette <k4to.dave at gmail.com
> <mailto:k4to.dave at gmail.com>> wrote:
> >>>
> >>> IIRC, the Eneloop Pro has fewer recharge cycles than do the regular
> >>> Eneloops.
> >>>
> >>> K4TO
> >>>
> >>>> On Mon, Jun 24, 2019 at 7:57 PM John Harper <johnae5x at gmail.com
> <mailto:johnae5x at gmail.com>> wrote:
> >>>>
> >>>> Panasonic Eneloop Pro
> >>>>
> >>>>> Best KX3 batteries
> >>>>
> >>>>> My old rechargeable batteries are failing.   Recommdation for
> >>>> replacements?
> >>>>
> >>>>
> >>>> John AE5X
> >>>> https://ae5x.blogspot.com <https://ae5x.blogspot.com/>
> >>>> ______________________________________________________________
> >>>> Elecraft mailing list
> >>>> Home: http://mailman.qth.net/mailman/listinfo/elecraft <
> http://mailman.qth.net/mailman/listinfo/elecraft>
> >>>> Help: http://mailman.qth.net/mmfaq.htm <
> http://mailman.qth.net/mmfaq.htm>
> >>>> Post: mailto:Elecraft at mailman.qth.net <mailto:
> Elecraft at mailman.qth.net>
> >>>>
> >>>> This list hosted by: http://www.qsl.net <http://www.qsl.net/>
> >>>> Please help support this email list: http://www.qsl.net/donate.html <
> http://www.qsl.net/donate.html>
> >>>> Message delivered to k4to at arrl.net <mailto:k4to at arrl.net>
> >>>>
> >>> ______________________________________________________________
> >>> Elecraft mailing list
> >>> Home: http://mailman.qth.net/mailman/listinfo/elecraft <
> http://mailman.qth.net/mailman/listinfo/elecraft>
> >>> Help: http://mailman.qth.net/mmfaq.htm <
> http://mailman.qth.net/mmfaq.htm>
> >>> Post: mailto:Elecraft at mailman.qth.net <mailto:Elecraft at mailman.qth.net
> >
> >>>
> >>> This list hosted by: http://www.qsl.net <http://www.qsl.net/>
> >>> Please help support this email list: http://www.qsl.net/donate.html <
> http://www.qsl.net/donate.html>
> >>> Message delivered to wunder at wunderwood.org <mailto:
> wunder at wunderwood.org>
> >>
> >> ______________________________________________________________
> >> Elecraft mailing list
> >> Home: http://mailman.qth.net/mailman/listinfo/elecraft <
> http://mailman.qth.net/mailman/listinfo/elecraft>
> >> Help: http://mailman.qth.net/mmfaq.htm <
> http://mailman.qth.net/mmfaq.htm>
> >> Post: mailto:Elecraft at mailman.qth.net <mailto:Elecraft at mailman.qth.net>
> >>
> >> This list hosted by: http://www.qsl.net <http://www.qsl.net/>
> >> Please help support this email list: http://www.qsl.net/donate.html <
> http://www.qsl.net/donate.html>
> >> Message delivered to lightdazzled at gmail.com <mailto:
> lightdazzled at gmail.com>
> > ______________________________________________________________
> > Elecraft mailing list
> > Home: http://mailman.qth.net/mailman/listinfo/elecraft
> > Help: http://mailman.qth.net/mmfaq.htm
> > Post: mailto:Elecraft at mailman.qth.net
> >
> > This list hosted by: http://www.qsl.net
> > Please help support this email list: http://www.qsl.net/donate.html
> > Message delivered to kd4pbj at gmail.com
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to marklgoldberg at gmail.com