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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV. |
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10-20-2014, 07:04 PM | #1 |
Not Yet Wild
Join Date: Oct 2014
Posts: 1
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12 Volt vs. 8 Volt Batteries
Hello. I just purchased a 1985 EZ GO Marathon and I am converting it to 48 Volts. I'm thinking of using 4 12 volt batteries instead of 6 8 volt batteries for two reasons:
1- I can shave about 130lbs. off the cart (that already weighs almost a half a ton.) 2- Cost! Any thought or advise? Thanks in advance |
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10-20-2014, 07:11 PM | #2 |
Over This Interview Is...
Join Date: Jun 2012
Location: AZ
Posts: 17,449
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Re: 12 Volt vs. 8 Volt Batteries
If max range, and max battery lifespan are not your primary concerns, than it might be ok for you. FWIW, 12v (t-1275 and similar) do not like the bigger 25 amp chargers, so take that into consideration when choosing a charger if you go that route. I, personally wouldnt do it, because the 12v golf batteries dont seem to live longer than 5 years, if that long.
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10-21-2014, 09:47 AM | #3 | |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: 12 Volt vs. 8 Volt Batteries
Quote:
Trojan batteries are pretty much the de facto standard for cart batteries and to compare apples to apples, I'll use them to illustrate. T-105 (6V-225AH-62lbs) is what the standard 36V pack is and six of them weigh 372 lbs. T-875 (8V-170AH-63lbs) Six of them produces a 48V pack that has roughly the same range and longevity as the standard 36V pack and weighs 378lbs T-1275 (12V-140AH-82lbs) is the highest AH 12V cart battery Trojan makes and four of them weigh 328lbs. Weight saving using four T-1275 vs using six T-875 batteries is only 50lbs, while the loss in range and longevity is 11.8%. |
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10-21-2014, 09:53 AM | #4 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,356
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Re: 12 Volt vs. 8 Volt Batteries
The 6/8v are the preferred pack for 48v operation in these carts. These batteries drop in the original racks. No modification is required and they are about 130-150 pounds lighter than going with 8/6v batteries.
As mentioned the average life span of 12v batts is 4 years. So operating cost is 20% higher. |
10-21-2014, 05:17 PM | #5 |
Gone Wild
Join Date: Aug 2014
Location: Duncan Corners
Posts: 905
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Re: 12 Volt vs. 8 Volt Batteries
RXV tech here---
********** WARNING: OPINION ZONE *************** I would not even consider Trojan 12v batteries. (High failure rate with RXV's) Batteries pretty much shot in 4 years - or less if "Automatic watering" system was used on them. check BGW thread something like "rxv brake problems III" I don't remember the exact thread name. We use crown batteries - 12v have fewer failures -- they still don't last much more than 4 years stick with 6/8s or 8/6s you will be much happier. I agree with JohnnieB Not much weight savings ! scottyb has good solution to save weight w/o causing reliability issues... *********** end opinion zone ************ Some RXV owners are ditching the 12v's and using 8v's because of 12v problems. |
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