[Elecraft] 4S lipo battery for KX3?

[Nicklas Johnson]

Thanks for all the info, guys.  I'll look into these before my next big
trip!

   Nick


On 25 August 2013 16:31, Mark Goldberg <marklgoldberg at gmail.com> wrote:

> 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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>>
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>>
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-- 
*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.