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Electric Club Car Electric DS, and Precedent golf cars |
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10-12-2016, 09:32 AM | #1 |
Gone Wild
Join Date: May 2016
Posts: 225
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Battery impedence prob?
48V 2000 club car carry-all6.has six 8V batts.had an issue where charger would not kick on even tho pack was showing 47.8V.So i hook another known good charger and it starts humming,but amp meter stays at zero,so i measure charging voltage and it is around 60V but real unstable.so i start measuring individual batts and find one at 17V!!!!.never seen this in past,so just curious..internally shorted??
replaced Batt and all is fine now |
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10-12-2016, 09:57 AM | #2 |
Gone Wild
Join Date: Jun 2014
Location: Sunset Bay, TN
Posts: 2,390
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Re: Battery impedence prob?
Never seen one read that high but I have seen a 12 volt battery that was dead as a doornail (amp wize) read somewhere around 15 volts...
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10-12-2016, 10:15 AM | #3 |
Gone Wild
Join Date: Sep 2012
Location: Charlotte, NC
Posts: 9,329
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Re: Battery impedence prob?
You are correct, bad batteries develop a high internal impedance, that causes the battery voltgage to be high during charge and also prevents current flow during use.
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10-12-2016, 10:57 AM | #4 |
Gone Wild
Join Date: May 2012
Location: Rio Verde, Az
Posts: 7,189
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Re: Battery impedence prob?
The battery that has 60V across it during charge has an open cell in it. I have seen them fail that way a few times.
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10-12-2016, 11:33 AM | #5 | |
Gone Wild
Join Date: May 2016
Posts: 225
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Re: Battery impedence prob?
Quote:
the bad batt measuered an unstable 17V while charger was hooked up. the whole pack went to 60V (unstable) instantly when i plugged in charger in which i knew was not normal. thanks again |
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10-13-2016, 03:48 PM | #6 |
Gone Wild
Join Date: Feb 2011
Location: Chattanooga TN
Posts: 2,105
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Re: Battery impedence prob?
But wait, you know you just can't replace one battery. And impedance is for AC circuits.
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