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Electric Club Car Electric DS, and Precedent golf cars |
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12-27-2020, 08:02 PM | #1 |
Gone Wild
Join Date: Sep 2011
Location: East Michigan
Posts: 1,364
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Battery question again
I have a 2005 48v club car precedent with (4) 12v battery's. I installed a new pack in March and state of charge has been perfect. I'm in Michigan and keep it stored in a non heated pole barn during the winter. Even though it's stored I charge the battery pack every two weeks and also check water levels. I just noticed after the last charge that my pack didn't get to a full state if charge after rest the next morning when I unplugged the charger. Charger ran its full course. It's been around 20F at night and upper 20's during the day this past week. Now my question is, does cold weather effect the charge rate?
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12-27-2020, 08:11 PM | #2 |
Nincompoop village idiot
Join Date: Apr 2018
Location: Michigan
Posts: 9,625
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Re: Battery question again
I’m following this as well. I’m in about the same area as you are, and I keep my cart in the garage but it’s not heated. It’s pretty *** cold out there actually
What is the resting voltage of the pack? If you don’t plan to use the cart until it’s warm, maybe a good idea to just charge it all the way, then remove the batteries and bring them inside. It only takes a few minutes to pull them out or put them back in. |
12-27-2020, 08:21 PM | #3 | |
Gone Wild
Join Date: Sep 2011
Location: East Michigan
Posts: 1,364
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Re: Battery question again
Quote:
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12-27-2020, 09:18 PM | #4 |
MOD of all BS!
Join Date: Sep 2011
Location: Florida
Posts: 17,477
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Re: Battery question again
The pack cannot obtain 100% capacity at 20°F, as that increases a battery's internal resistance, which in turn lowers its capacity. Capacities are usually published at 80°F as the standard, so at 20°F, you are probably lucky to get 70% or so....
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12-27-2020, 10:02 PM | #5 |
Gone Wild
Join Date: Sep 2011
Location: East Michigan
Posts: 1,364
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Re: Battery question again
Interesting. Does this happen throughout the life of the battery? Another words, as a pack ages would that affect the resistance/capacities more or less?
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12-27-2020, 11:17 PM | #6 |
Gone Wild
Join Date: Nov 2016
Location: near Calgary, AB, Canada
Posts: 1,511
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Re: Battery question again
My experience with my 8 pieces of 6 volt Trojan T-125's is my fully charged stabilized voltage is the same as 32 deg F (0 C) as it is at 72 deg F (22 C) ... absolutely no difference in voltage.
As NoleFan4Ever stated, the capacity of a lead acid pack is reduced substantially at a lower temperature due to a slower chemical reaction rate ... but in my experience, it does not affect the full charge stabilized voltage. I suspect that you have other issues going on here other than temperature. You may want to monitor your charger to see if the charging voltages are as per the battery recommended specification. |
12-28-2020, 07:29 AM | #7 | |
Gone Wild
Join Date: Sep 2011
Location: East Michigan
Posts: 1,364
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Re: Battery question again
Quote:
I did find this below. Is this correct and is it worth a shot? Easily Reset the Club Car Golf Cart OBC Resetting the OBC must be performed in this order: Key switch to off Set forward/reverse to neutral Put tow/run switch to tow Disconnect the negative battery terminal from the battery pack Put the tow/run switch to run Put forward/reverse switch to reverse Put key switch to on Lock the throttle pedal down with a second set of hands or object The reverse buzzer will sound and go off in approximately 30 seconds Leave the cart like that for 5 min to cause the OBC to reset Reconnecting the OBC into the system: Key switch to off Set forward/reverse switch to neutral Put tow/run switch to tow Reconnect the negative battery terminal from the battery pack |
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12-28-2020, 08:05 AM | #8 |
MOD of all BS!
Join Date: Sep 2011
Location: Florida
Posts: 17,477
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Re: Battery question again
Just unplug the Pack Negative for 20 mins....Run/Tow off first.
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12-28-2020, 08:21 AM | #9 |
Gone Wild
Join Date: Sep 2011
Location: East Michigan
Posts: 1,364
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Re: Battery question again
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12-28-2020, 10:11 AM | #10 |
Gone Wild
Join Date: Jul 2010
Location: Peachtree City, Ga.
Posts: 2,759
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Re: Battery question again
Graph provided by Trojan but other brands of flooded golf cart batteries would be similar. FYI
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