[Elecraft] Field Day experience with K3

[Matt Zilmer]

I agree.  In this case (pulling lots of current with a respectable
duty cycle), the booster only gives you more operating time in the
margin when the K3's DC input sees less than 11V.  I typically run
this AGM battery as low as 10V.  And it takes longer to recharge using
the solar PV source.

I'm discovering that this battery is about flat now.  It's 12 years
old and won't hold a charge so well any more.  Time for one of those
Optima deep cycle 140AH Yellow Tops!

73,
matt



On Thu, 28 Jun 2012 21:06:58 -0700, you wrote:

>
>
>A battery booster doesn't do much good very long if you're drawing more 
>current from the battery than your solar cell is putting into it like 
>WO1S was.  A dead battery just gets deader quicker.
>
>Dave   AB7E
>
>
>On 6/28/2012 2:54 PM, Matthew Zilmer wrote:
>> You might want to get a battery booster.  Here is one http://stores.tgelectronics.org/Detail.bok?no=10.
>>
>> I can recommend that one.  Had one for a couple years and use it to boost to 14.5VDC from whatever voltage any time of day from a solar-charged battery.  I think my K3 likes that 14.5V!
>>
>> Matt Zilmer
>> Consultant - Product Management Dept.
>> Magellan Navigation / MiTAC Digital Corp.
>> Tel: (909) 394-6052
>> Cell: (909) 730-6552
>> Si fractum non sit, noli id reficere
>>
>
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