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10-02-2018, 07:53 PM | #1 |
Getting Wild
Join Date: Apr 2018
Location: Lancaster, Pa
Posts: 103
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Mixing Different AH Batteries in Your Pack
As the title states: Is it ok to mix different AH batteries throughout your pack. I originally had new pack of Harris 225ah batteries installed in my cart Feb2018. A few months later, one of the cables came loose and melted the post. The dealer replaced it with a US Battery 232ah battery...
Next question...I plan on going to 48v using ( 6v batteries. I have a new, unused Advance Auto GC2 battery that I had as a spare for my old cart..Date code 8/17. I believe they are 216AH..If I were going to buy another 216AH battery from AA, would I be causing issues throughout my pack? I can usually get a 30% off coupon to use at AA which would bring the battery down to about $90. |
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10-02-2018, 08:04 PM | #2 | |
Gone Insane
Join Date: Oct 2015
Location: TN/NC/GA Tri-state area
Posts: 3,952
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Re: Mixing Different AH Batteries in Your Pack
Quote:
http://www.buggiesgonewild.com/elect...ml#post1546296 All batteries in a string must match in AmpHours. Matching brand and age if you want them to last... matching AmpHours is for matched charge/discharge balance, brand is for matching chemistry (charging profile set to brand) so the charger shuts off at the correct voltage. |
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10-02-2018, 08:28 PM | #3 |
Getting Wild
Join Date: Apr 2018
Location: Lancaster, Pa
Posts: 103
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Re: Mixing Different AH Batteries in Your Pack
I recall reading part of that thread earlier but nothing was said about AH until just a bit ago. What problems will I run in to? I assumed the higher AH batteries will lower their performance to that of the 216Ah.. is it more serious than that?
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10-02-2018, 08:40 PM | #4 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,406
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Re: Mixing Different AH Batteries in Your Pack
When mixing batteries remember that the age and capacity of the oldest and smallest battery is what all the batteries equal; 6 of the oldest,weakest,smallest battery in the pack
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10-02-2018, 10:18 PM | #5 |
Gone Wild
Join Date: May 2012
Location: Rio Verde, Az
Posts: 7,167
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Re: Mixing Different AH Batteries in Your Pack
When putting batteries in a series pack where you charge them in series and discharge them in series you want them to be matched as close as possible to each other PERIOD.
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10-03-2018, 12:14 PM | #6 | |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: Mixing Different AH Batteries in Your Pack
Quote:
Mixing battery AH, age, brand etc., is a viable short-term solution to an immediate problem. Doing so may get you through the rest of the season, maybe well into the next year, but at some point the entire set of batteries ought to be replaced with a matched set. |
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10-03-2018, 10:12 PM | #7 |
Gone Wild
Join Date: Oct 2012
Location: Southwestern Pa.
Posts: 6,214
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Re: Mixing Different AH Batteries in Your Pack
I think what they are saying is, it's a bad idea.
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10-04-2018, 08:23 AM | #8 |
Getting Wild
Join Date: Apr 2018
Location: Lancaster, Pa
Posts: 103
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Re: Mixing Different AH Batteries in Your Pack
Ok, thanks for all the input. I will likely go to 6 8v and purchase all new batteries. I saw a chart with all the different batteries and their AH ratings but now I can’t find it. Could someone please reply with it? Thinking of getting a set of us batteries but I don’t know what a good price is. My local shop was around 780 for 6 new US but didn’t specify the Ah or model. I’m heading to Wildwood NJ this weekend camping and there is a guy along the way selling mid range US batteries for $116 each. All prices were with core exchange. I am in Lancaster Pa if that helps..
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10-04-2018, 10:14 AM | #9 |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: Mixing Different AH Batteries in Your Pack
Here is a list of 8V batteries. It isn't all inclusive, but it has most of the commonly ones used in 6X8V 48V packs.
If you are looking at ones not on list, find one on the list with a similar AH rating to get an idea of how it stacks up to the rest. ---------- If you go with US Battery, be sure to get a 48V charger with a US Battery charging profile. |
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