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09-01-2020, 09:01 AM | #1 |
Not Yet Wild
Join Date: Oct 2015
Location: Mississippi
Posts: 17
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Over-Charging after voltmeter added
I finally added a voltmeter to my 2012 48-volt cart. Simple installation, always on (no switch) appears to work fine. Ran without charging for a few days to see what 'out-of-power' looked like.
Plugged into charger. Went to check on the cart hours later and the charger was still running wide open. I could feel the heat coming off the charger. Meter was pegged almost past 'charging' and into red on the high side. Did the installation of the meter cause the OBC to not shut the charger off? The voltmeter leads were both connected directly to the batteries. There is no light in the voltmeter itself. |
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09-01-2020, 09:54 AM | #2 |
Cave Dweller
Join Date: Apr 2013
Location: Always On The Move
Posts: 22,239
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Re: Over-Charging after voltmeter added
is this a round needle type meter ?, if so they are pretty useless and need to be replaced with digital one . The meter had nothing to do with the obc.
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09-01-2020, 10:07 AM | #3 |
Gone Wild
Join Date: Sep 2012
Location: Charlotte, NC
Posts: 9,329
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Re: Over-Charging after voltmeter added
The only way it could have affected the charging is if You placed the red wire from the charger receptacle to the wrong battery post when you reconnected the cables.
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09-01-2020, 07:41 PM | #4 |
Gone Wild
Join Date: Jan 2017
Location: Queensland Australia
Posts: 1,332
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Re: Over-Charging after voltmeter added
The charging can take up to 16 hours before the OBC turns the charger off. You say you went back "hours" later but was it as much as 16 hours? If you ran the batteries down quite a way to test the voltmeter, then it could take the full time to recharge.
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09-01-2020, 08:16 PM | #5 |
Growing In Grace
Join Date: Aug 2011
Location: Retired now and back home in Louisiana
Posts: 6,301
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Re: Over-Charging after voltmeter added
What they said....
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09-03-2020, 07:55 AM | #6 |
Not Yet Wild
Join Date: Oct 2015
Location: Mississippi
Posts: 17
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Re: Over-Charging after voltmeter added
Thanks! It was not 16 hours, more like 7.
A digital meter sounds much better than trying to explain the round meter that I don't even really get. Thanks for the tip. |
09-03-2020, 06:14 PM | #7 | |
Gone Wild
Join Date: Jan 2017
Location: Queensland Australia
Posts: 1,332
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Re: Over-Charging after voltmeter added
Quote:
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09-03-2020, 09:42 PM | #8 | |
Gone Wild
Join Date: May 2016
Posts: 373
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Re: Over-Charging after voltmeter added
Quote:
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charging, voltmeter |
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