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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV. |
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05-21-2016, 11:54 AM | #1 |
Not Yet Wild
Join Date: Nov 2011
Posts: 58
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EZ Go Series 48V cutting off
Okay I have a lifted converted 48V cart with 6 8V Trojan batteries that are all about 4 years old reading about 8.4V per battery and 50.3 V for the pack. (I haven't checked under load) All the typical 48V upgrade goodies from Scotty including 500A Alltrax controller and HD F&R Switch. and I put new cables on from Scotty B about 8 months ago and did let the cart sit in a hot shipping container for 4 months and got some corrosion on the cables.
I was having this issue and cleaned the cables and ran the cart across the neighborhood last night with no issues so I assumed I fixed the problem. I jumped in this morning to run about 1/2 the distance and it cut out on the way home. I let off the pedal for a couple of minutes and tried it again and was able to get home as if nothing was wrong. With the exception of leaving it in the cargo container for 3-4 months a couple of times, I have been OCD about battery maintenance keeping them filled with distilled water about every other month and always keeping a good charge on them. Nothing feels hot, all connections seem to be clean, I'm thinking I need to load test the pack or maybe even each individual battery. Am I on the right track thinking the batteries are failing? Does this sound like something else to anyone? thanks. |
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05-21-2016, 12:19 PM | #2 |
Gone Wild
Join Date: Apr 2016
Location: Greenwood, SC
Posts: 1,291
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Re: EZ Go Series 48V cutting off
Maybe the it's petal switch or whatever is on the petal?
I'm just guessing here but that's logical to me? I will wait to see what experts say. You could have corrosion there too |
05-21-2016, 12:33 PM | #3 |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: EZ Go Series 48V cutting off
You may have some corrosion on the control wiring also. All the connections in the cart were exposed the the same conditions that cause the high current cable connections to corrode.
While the cart was in the hot shipping container for 3-4 months, were the batteries charged at least monthly or on float charge? |
05-21-2016, 01:02 PM | #4 |
Not Yet Wild
Join Date: Nov 2011
Posts: 58
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Re: EZ Go Series 48V cutting off
No, both times I charged the batteries and put the cart away for 3-4 months in 90-100 deg South Texas heat. Had to be closer to 150 in the container.
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05-21-2016, 01:06 PM | #5 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,419
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Re: EZ Go Series 48V cutting off
That amounts to battery abuse. They took a hit, no matter how you care for them the other 8 months of the year.
I'm not saying this is your cutting out problem, I'm just saying that is not a good battery care plan. |
05-21-2016, 02:22 PM | #6 | |
Not Yet Wild
Join Date: Nov 2011
Posts: 58
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Re: EZ Go Series 48V cutting off
Quote:
What's everyone's opinion on replacing a single weak or bad battery versus a whole battery pack? |
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05-21-2016, 02:30 PM | #7 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,419
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Re: EZ Go Series 48V cutting off
The fact is this, most often all the batteries in a pack are in the same condition... that is they have all seen the same service for the same time and possibly suffered the same abuse.
Replacing 1 or 2 bad batteries with new ones results in the new replacements being drug down to the same condition as the old batteries in a short time - so you never really get your full value out of those replacements. Typically if you have 1 or 2 bad batteries in the pack they are simply leading the pack parade toward the recycling plant. The others are not far behind in my experience. |
05-22-2016, 12:07 PM | #8 | |
Over This Interview Is...
Join Date: Jun 2012
Location: AZ
Posts: 17,449
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Re: EZ Go Series 48V cutting off
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