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Re: [RFI] Single or Dual-Connector Posts on Battery?

To: rfi@contesting.com
Subject: Re: [RFI] Single or Dual-Connector Posts on Battery?
From: Jim Hill <hro5-2@cox.net>
Date: Mon, 26 Nov 2007 08:56:56 -0800
List-post: <mailto:rfi@contesting.com>
Hi Doc: I'm using a dual-connector pair Interstate battery in my 
travel trailer.  I carry golf cart batteries in my truck (no room in 
the trailer), and use modified jumper cables to connect them to the 
trailer (negative terminal of trailer battery not connected when golf 
cart batteries used).  I've had poor connection problems with 
continual disconnects and connects, causing heating, voltage drop, 
and when listening a hum modulation of CW signals.  I need to clean 
the battery terminals and wire lugs periodically and tighten the nuts 
securely.  Hand tightening of wing nuts is not adequate.  If I seldom 
changed connections, I think I would get regular battery cables and 
modify them to go from the battery to trailer wiring.

At 12:58 PM 11/21/2007, you wrote:
>Is there any reason to avoid dual-connector pairs
>for Amateur Radio apps?
>I recall reading somewhere that there may be a
>problem tapping both for various uses in Ham apps.
>It seems that they are part of a continuous hunk
>of lead so am not sure why a problem.
>This is the one I am looking at:
>OPTIMA D31M, 12V, 75AH, 900CCA, 1125CA, 155RM
>(RM = Reserve Minutes = number of minutes battery will
>maintain 25 amps output before dropping to 10.5 volts.)
>Thanks! & 73, doc, KD4E
>Personal: http://bibleseven.com/kd4e.html
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