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Old 04-17-2012, 07:32 PM   #1
2 Rivet Member
Evergreen , Colorado
Join Date: Jul 2010
Posts: 68
Need help - battery charging terminals

So I just received my new lifeline batteries - and unfortunately didn't realize they dont have standard car terminals (the fat ones like on most cars). Instead it has female threaded terminals and ships with some basic brass bolts. My airstream power cables have the female car terminals that compress down over the large lugs. So what I need is a screw in or side post terminal to screw onto the battery.

The problem is I can only find 3/8" threaded side post terminals. I tried a pair and they are too large. I'm guessing they should be 1/4". I'm sure someone must have run into this when replacing their existing group 24's with lifelines in their airstream? Need help! Thanks.

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Old 04-17-2012, 07:52 PM   #2
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1955 22' Flying Cloud
mapleton , Utah
Join Date: Oct 2011
Posts: 464
replacing terminal ends is not difficult. if the cable run is fairly short ( less than 4 feet or so) premade cables are available at any parts store. Dont hassle with trying to make it work- do it right.

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Old 04-17-2012, 07:57 PM   #3
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2003 22' International CCD
Kiln , Mississippi
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There are screw in battery posts that just thread into the female fittings on the side or top of your battery available at any good car parts location or Walmart. They provide the same quality of connection as any other method.
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Old 04-17-2012, 07:58 PM   #4
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1971 25' Tradewind
Menlo Park , California
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Hmmm... those are likely M8 bolts according to Lifeline:

Lifeline Batteries - Marine & RV Deep Cycle Batteries

which makes them pretty close to 5/16".

What I would do is cut off the ends of the existing cable, strip it and use some clamp-type lugs. Insulate the + side with 3M electrical tape or heat shrink tubing. These lugs are available in different sizes depending on your cable and post size.

- Bart
Bart Smaalders
Menlo Park, CA
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