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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV. |
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11-05-2013, 01:56 PM | #1 |
Not Yet Wild
Join Date: Aug 2013
Posts: 37
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99 TXT Battery terminals keep melting
I am not sure what is going on. I have had three batteries now melt at the terminal until the battery cable falls away with the bolt of the battery terminal still attached.
Battery pack is 36v. cabling in question is 4 gauge. Not sure what else to add. Cart runs fine in all other respects. pictures attached of two of the batteries. |
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11-05-2013, 01:58 PM | #2 |
Gone Wild
Join Date: Aug 2009
Posts: 14,245
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Re: 99 TXT Battery terminals keep melting
Is it happening to different batteries?
Loose connections are typically the culprit for melting terminals. Loose connections create resistance, which means heat, which means melting... |
11-05-2013, 02:04 PM | #3 |
Getting Wild
Join Date: Sep 2013
Location: Lake Wylie NC area
Posts: 141
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Re: 99 TXT Battery terminals keep melting
If its the same cable/battery post, then do a voltage drop on that cable.
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11-05-2013, 02:18 PM | #4 |
Gone Wild
Join Date: Jul 2013
Location: Mid Michigan
Posts: 207
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Re: 99 TXT Battery terminals keep melting
I see three different types of batteries in the picture.
US1800, Interstate 2200, and Powerfast and I don't see the whole name, but on those two even the labels look different. You might make a list of the batteries you have and include Manufacturer, AmpHour Rating, and Date (usually on the NEG post). It is better to keep your batteries as similar as possible or a dissimilar battery can draw differently and strain the others. Also, if you have had enough heat to melt a post, I would worry about the cable connection and if it was damaged too. You might need to replace the cables. |
11-05-2013, 02:19 PM | #5 |
Not Yet Wild
Join Date: Aug 2013
Posts: 37
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Re: 99 TXT Battery terminals keep melting
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11-05-2013, 02:19 PM | #6 |
......................
Join Date: Apr 2009
Location: FT Lauderdale FL.
Posts: 16,416
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Re: 99 TXT Battery terminals keep melting
If you had cables made to handle the amp for a golf cart, this may fix the problem, those auto cables you have on your cart are not made for a golf cart, is this cart used on hills or flat ground? here repair you batteries and get some good cables and you will be go to go
http://www.buggiesgonewild.com/batte...nal-repair.php |
11-05-2013, 02:28 PM | #7 |
Getting Wild
Join Date: Sep 2013
Location: Lake Wylie NC area
Posts: 141
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Re: 99 TXT Battery terminals keep melting
A voltage drop test allows you to test the condition of a cable or wire. Much more accurate then measuring the cable ohms. If the cable is corroded down in the insulation, it may not be seen with the naked eye, but can be found with voltage drop test.
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11-05-2013, 02:31 PM | #8 |
Gone Mad
Join Date: Oct 2009
Location: Buford, GA
Posts: 8,988
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Re: 99 TXT Battery terminals keep melting
Another possibility is if the terminals were overtightened, it could loosen the stainless steel bolt, which is embedded in very soft lead. Proper torque can be gotten from you battery manufacturer, but it's measured in inch-pounds, not foot-pounds. Nearly every fastener can be snugged until "tight", and if you aren't careful, you can easily overtighten battery terminals.
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11-05-2013, 02:53 PM | #9 | |
Not Yet Wild
Join Date: Aug 2013
Posts: 37
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Re: 99 TXT Battery terminals keep melting
Quote:
Battery pack + Interstate 232AH then Powerfast 208ah (the melted one) then us1800 208ah then Interstate 232ah then us 1800 208ah then battery pack - is powerfast 210ah The previous two that melted were both interstate 232ah I have forgotten to mention that the battery pack negative battery has previously exploded and by exploded I mean into many pieces and it was also an interstate. I will include a picture of that one. so in all I have replaced 4 batteries over a 2 month period. The cart will run fine for a week or two and then one day the terminal will be gone. |
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11-05-2013, 02:56 PM | #10 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,356
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Re: 99 TXT Battery terminals keep melting
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