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08-21-2015, 06:20 PM | #1 |
Gone Wild
Join Date: Dec 2012
Location: The Villages, FL
Posts: 552
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For the battery experts
I hope these questions are not too lame. I am curious about how batteries work when in a series pack, when it comes to charging.
When batteries are hooked up in a series, does one battery take more strain than another in the series? And does one end charge faster or stronger than another end? Does it do any good to swap battery positions periodically to make sure that they all get an equal charge, or equal wear? I have a feeling that the position of the battery makes no difference. Or does it? I had a battery in a 48v pack that appeared to have a bad cell (shorted?). At the time, I had a 16v to 12v reducer on the pack and now that I think about it, I think that the battery that went bad may have been used in the 16v connection. I'm not positive. I have since installed a 48v to 12v reducer. |
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08-21-2015, 08:03 PM | #2 |
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Posts: n/a
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Re: For the battery experts
no they charge equally if they were discharged equally ...
yes if you don't rotate the 16v to 12v reducer off different batteries it can ruin the 2 you used here is some good info http://www.cartsunlimited.net/How_Batteries_Work.html |
08-21-2015, 08:15 PM | #3 |
Gone Wild
Join Date: Apr 2015
Location: Athens, GA
Posts: 349
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Re: For the battery experts
From my experience in the industrial world, when we connected to a single battery in a pack it always resulted in premature failure on the battery being drawn from individually, So, you are probably correct in your analysis of which battery(s) had the issue.
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08-22-2015, 05:03 AM | #4 | |
Gone Wild
Join Date: Dec 2012
Location: The Villages, FL
Posts: 552
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Re: For the battery experts
Quote:
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08-22-2015, 05:13 AM | #5 |
Gone Wild
Join Date: Dec 2012
Location: The Villages, FL
Posts: 552
|
Re: For the battery experts
Thanks for the answers.
I was going to purchase new batteries for my wife's cart, but ended up with a big dental bill this month. So, since my batteries are only a year old and she uses her cart every day, versus me using mine once or twice a week, I decided to swap my pack for her pack for right now. I don't want her to get stranded somewhere, so she will get the newer, broke in battery pack. I'll take hers and keep it on the Save-a-battery maintainer when not in use. At least, until the budget will allow for another new set. |
08-22-2015, 06:52 AM | #6 |
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Re: For the battery experts
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09-25-2015, 05:56 AM | #7 |
Gone Wild
Join Date: Dec 2012
Location: The Villages, FL
Posts: 552
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Re: For the battery experts
I still have my wife's OLD battery pack, minus one that I replaced with a new battery. Next payday, I will replace another. More medical bills preclude me from replacing all of them right now. Hopefully, the strain of charging weak with new won't damage the batteries before I replace all of them.
I have been using the Save a Battery maintainer on the battery pack and it has kept them pretty well charged. I removed it last night after I installed a digital volt meter and this morning the meter read 50.7 volts. Not too bad considering the age of the batteries (over five years) and the lack of maintenance on them prior to my purchase of the golf cart they were in. I won't pretend that the batteries are in optimal shape, but they get me to where I need to go, IF I keep an eye on the charge. Now, I will be able to watch the voltage a bit easier, as the analogue meter jumped all over the place as I used the accelerator. Now, I will be able to see how much charge I use in my limited distance I travel. I don't use it for golf. I use it for transportation to the pickle ball courts and to the hardware store or Walmart. I doubt I travel more than ten miles between charging, with this cart. When we go any distance we use my wife's cart with the newer battery pack. |
09-25-2015, 06:44 AM | #8 |
Not Yet Wild
Join Date: Sep 2014
Location: Western NC mountains
Posts: 72
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Re: For the battery experts
The problem with individually replacing batteries is that you bring the new batteries down to the level of the old batteries. Gradually, your new batteries will be the same effective age as your old batteries. That is why it is always preferable to replace the whole pack at once. Just a consideration.
Jack |
09-25-2015, 10:49 AM | #9 | |
Gone Wild
Join Date: Dec 2012
Location: The Villages, FL
Posts: 552
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Re: For the battery experts
Quote:
Thanks for the input. I value all information I receive on this blog and that's why I participate so that others can see if they may have some of the same conditions. |
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09-25-2015, 11:14 AM | #10 |
Old Sky Soldier
Join Date: Dec 2011
Location: Kentucky
Posts: 3,881
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Re: For the battery experts
My though is if you current batteries are working now, go ahead and by your batteries as you can, save them until you get all of them and change them all at one time. I had to do that when my airplane needed new cylinders. It worked out great.
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