[Elecraft] [K3} AGM Battery recommendation for K3

[Oliver Johns]

Jim,

I can recommend the Power Sonic PS-12350.  It is a 35 AH, AGM, sealed, lead-acid battery.  I got it because it is about the heaviest that I can carry comfortably.  I use it for portable operation with the K3 at 100 watts output.  It runs for a good long time when fully charged.  At least 5 or 6 hours.  I keep it charged with their PSC-124000A-C charger.  Battery is on the charger whenever it is not in use.  Keeps it topped up, which is recommended for such batteries.

73,
Oliver
W6ODJ

On 27 Jan. 2012, at 19:47 PM, Jim Miller <jim at jtmiller.com> wrote:

> I've decided I might get a battery for my K3 for occasional operation
> to chase QRM issues. As long as I'm getting it for reception I thought
> I might consider one which would prove useful for transmitting as
> well.
> 
> My "shack" is in the living area of our house with hardwood floors. I
> wouldn't be happy with an acid spill there. So I'm looking for battery
> size and type information and what sort of operating time I might
> expect with QRP and 100W levels (and anything in between...).
> 
> Also would like some recommendations for practical handling and
> charging to avoid "issues." Charging would be from the AC line. No
> solar planned.
> 
> I'm pretty sure an AGM deep cycle battery is what I've seen
> recommended. What else should I look for?
> 
> All recommendations welcome.
> 
> 73
> 
> Jim ab3cv
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