[Elecraft] KXPA100 on battery.

[Igor Sokolov]

I have used similar configuration (except for the antenna) with 25 A/h 
LiFEPO4 battery and could run at 100W at least 4 hours non stop plus another 
hour with 60-70 watt output when battery voltage dropped down somewhat. Two 
of these batteries and 120W solar panel allowed 24 hours portable operation.

73, Igor UA9CDC
----- Original Message ----- 
From: "Don Butler" <n5lz at comcast.net>
To: <n2lrb at n2lrb.com>; <elecraft at mailman.qth.net>
Sent: Thursday, February 04, 2016 4:57 AM
Subject: Re: [Elecraft] KXPA100 on battery.


>I have done a fair amount of portable operation with a KX3, KXPA100 and
> CrankIR vertical using a 12 v deep cycle battery .... and have ALWAYS had
> issues when I try to run 100 watts even when the battery is fully charged
> .... the battery just doesn't have enough ..... so I back the power down 
> to
> 50-60 watts and it does just fine .... personally, I'm happy to have the 
> 60
> watts so have not considered it to be a problem.
>
> Don, N5LZ
>
> -----Original Message-----
> From: Elecraft [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Jose
> Rivera
> Sent: Wednesday, February 03, 2016 4:27 PM
> To: elecraft at mailman.qth.net
> Subject: [Elecraft] KXPA100 on battery.
>
> I just purchased and put together a KXPA100 Amp. I want to use it at home
> with my power supply (same one Elecraft currently sells). But I also want 
> to
> use the amp with my KX3 out of doors in a portable situation.
> I tried my KXPA100 with my 12v 22ah battery and I received a "LO SPPLY"
> message on my KX3 along with the bottom right reading "PA FLT". Go in 
> touch
> with Elecraft and my battery is not up to the task of giving my
> KXPA100 12-15amps. I will recharge my battery and try again.
>
>
>
> Question: Will a voltage regulator like the N8XJK Super Boost regulator 
> work
> and or work well with my KXPA100? Does anyone use their KXPA100 portable
> with a battery?
>
>
>
> Jose N2LRB
>
> www.n2lrb.com
>
>
>
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