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Unread 02-04-2012, 09:54 AM   #1
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Default Charging Question

I have had my cart stored since the end of Oct and have been charging the batteries every 3 weeks. I noticed today that battery #3 has a reading of 9.5v, which is not good. My batteries are 6.5yrs old and will be getting a new pack come spring. Now my question is, when I plugged my charger in the chargers meter went to around 10/12v and went down to 4/5v within 5min. Is this because of the shot battery? With the charger plugged in the #3 battery reads 15v and the pack shows 57v.
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Unread 02-04-2012, 11:15 AM   #2
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Default Re: Charging Question

#3 is shot and not letting the full charging current through it. It most likely has a bad cell. You could try an automotive load tester on it, but I'll bet it's done.
Not to correct you, but you did mean amps for your charger reading?
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Unread 02-04-2012, 12:51 PM   #3
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Default Re: Charging Question

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Originally Posted by simple man View Post
#3 is shot and not letting the full charging current through it. It most likely has a bad cell. You could try an automotive load tester on it, but I'll bet it's done.
Not to correct you, but you did mean amps for your charger reading?
Correct, I meant amps. I figured that battery #3 was the cause. I just keep them charged so they don't freeze even though I will be replacing them when I take it out of storage.
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Unread 02-05-2012, 03:29 AM   #4
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Default Re: Charging Question

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Originally Posted by erict View Post
Correct, I meant amps. I figured that battery #3 was the cause. I just keep them charged so they don't freeze even though I will be replacing them when I take it out of storage.
I would swap #3 to the last battery in the pack and the others should get some voltage passed through them at least.

-Scott H.
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Unread 02-05-2012, 09:06 AM   #5
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Default Re: Charging Question

Just checked the voltage on all 4 batteries after charging yesterday.
Batteries 1,2,4 are 12.4v and #3 is 10.1v. obviously shot and has a bad cell. Like I said I'm not concerned since a new pack will be installed when I take it out of storage. My only concern is the possibility of #3 freezing, is this a concern?
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