[Elecraft] Powering a K3s from a battery?

[John Macrae]

I run /P on a 35aH lead acid battery. Whilst there is a noticeable voltage
drop, I have worked dx till the battery voltage falls well below 11v
without any noticeable effects on signal quality (I asked)!
I have also run from a battery in the shack with a charger connected. No
problem.

Clearly the larger the battery,  the less problems you will have.

GL and 73
John, C6ATS

On Tue, 29 Dec 2015 15:43 Marc Veeneman <mhvnmn at gmail.com> wrote:

> My K3/P3/VGA monitor are happy with power from
> http://bioennodepot.com/lithium-iron-phosphate-lifepo4-batteries/bioenno-power-12v-40ah-lfp-battery-pvc-blf-1240w.html
>
> It's small enough to lie flat on a shelf with 3.5" clearance with a
> footprint smaller than my iPad.
>
> My KX3/PX3/KXPA100 run on another identical battery.  These have plenty of
> capacity to power 100 watts CW for longer than I can stay active.  They
> start out at 13.2 volts and stay there for hours.  I do use #10 AWG wire,
> though, to minimize resistive loss.
> --
> Marc W8SDG
>
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