[Elecraft] Why are the batteries internal to the KX3?

[Gwen Patton]

Whoops, I accidentally sent this to only one person (Sorry, Harry!), so
here's the resend to the list.

They aren't designed to go on the back of the radio like you suggested, but
Talentcell makes some great 12v battery packs. I have one that's 8300 mAh
at 12v. It has two coaxial DC sockets, one for 12v and another for 9v, and
a 5v USB jack. The 12v it supplies is at 6A max. I use that one with a Y
adapter to run both the KX3 and PX3, and it works great. I have a smaller
one that I got for the K2 that supplies 3A at 12v with 6000mAh endurance.
Both can charge from their supplied DC chargers while operating. The prices
for these devices are very reasonable, and they weigh very little. They
have an 11000mAh version that I didn't buy because I didn't want to spend
the $20 more it would have cost...and wish I'd splurged that extra $20 and
gotten the larger one just for the extra battery life.

These aren't simple power banks for charging your phone. These are designed
to supply power for larger devices, and with an adapter they can power CPAP
machines. They're extremely durable, and are NOT bare battery packs such as
you'd find for R/C applications. They're in rugged plastic cases, with
power switches and LED charge level indicators.

https://www.amazon.com/gp/product/B01337QXMA/  -- the 8300mAh model I got.
Works great.

73,
Gwen, NG3P


On Sat, Mar 16, 2019 at 6:51 PM hawley, charles j jr <c-hawley at illinois.edu>
wrote:

> I don't like to disassemble the KX3 to take out the batteries when not
> using or to do battery maintenance.
> I would rather have a slim case with the same rectangular outline as the
> KX3 that attaches to the rear panel and just plugs into the KX3 thru the
> external DC input.
> Has anyone done that as an accessory product?
>
> Chuck Hawley
>  c-hawley at illinois.edu
>
>  Amateur Radio, KE9UW
>  aka Jack, BMW Motorcycles
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