Square battery posts
Submitted: Saturday, May 23, 2015 at 12:31
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oz doc
HI. My partner has kindly bought me a 12v 12 ah sports battery for our upcoming trip. The only issue I have is that this particular battery has square shaped posts with holes in them. I'm wondering, other than alligator type clamps, what do I use to connect a wiring harness to these posts? I'd like to attach a wiring harness with 12 volt socket on the end. Thanks. doc.
Reply By: Allan B (Member, SunCoast) - Saturday, May 23, 2015 at 16:45
Saturday, May 23, 2015 at 16:45
Hi Doc,
Does the battery post look like this?.............
Term 1
If so, it is intended to have a square nut inserted into the terminal from the rectangular side opening and a bolt into it from the round hole like this..........
Term 2
The bare-ended cable is then inserted from the top and clamped under
the nut or the cable can be fitted with an 'eye' lug and clamped under the bolt head.
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554133
Follow Up By: oz doc - Saturday, May 23, 2015 at 17:15
Saturday, May 23, 2015 at 17:15
Hi Allan, I think you're on the money. Only the square opening on my terminals is not all that large. doc.
square end
top end
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Follow Up By: Allan B (Member, SunCoast) - Saturday, May 23, 2015 at 17:47
Saturday, May 23, 2015 at 17:47
Doc, the battery should come complete with the bolts & nuts.
Perhaps ask the supplier?
A square nut of the correct size is required to prevent it turning in the terminal cavity. Also, I think the bolt can be alternatively fitted vertically through the top hole.
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Follow Up By: Hoyks - Sunday, May 24, 2015 at 10:08
Sunday, May 24, 2015 at 10:08
Yep, it is a motorbike style battery, so there should be a square nut or hex nut to fit in the square hole and then you put a bolt through.
One trick is to stick a bit of cardboard under
the nut so it is pushed up to the underside of the terminal. If you don't, getting the bolt started can be a real pain.
Any battery
shop should have hardware to fit.
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840145
Follow Up By: oz doc - Sunday, May 24, 2015 at 14:28
Sunday, May 24, 2015 at 14:28
Ta for that. I was not looking forward to fluffing around with
the nut in such a small space.doc.
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840156
Follow Up By: Member - Keith P (NSW) - Monday, May 25, 2015 at 18:26
Monday, May 25, 2015 at 18:26
Motorcycle batteries actually make good utility batteries.
Just remember to not flatten them properly..ie..use it for only about 60-75 % of its capacity...and then charge up again ASAP.
Another little tip is to have the vent open while charging...and then after charging and a time to cool down...plug the vent with an external blind cap while using to prevent spills if being moved about...remembering to always keep it up right.
HTH.
Cheers Keith
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