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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV. |
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04-07-2023, 08:18 PM | #1 |
Not Yet Wild
Join Date: Jul 2019
Location: Eastern,NC
Posts: 4
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Which Lithium Battery to get???
I have a 2007 TXT it is 48 volts and needs batteries. i want to go to lithium but need to keep cost as low as possible. I was looking to get batteries that I could add to to get the Ah I need but could go ahead and get the cart going now.
was looking at Epoch, Big Battery, and Allied battery kits starting out wit 60 Ah then when possible (in less than a year) add to to go 90 Ah or 120 Ah(if needed) is one better than the other? |
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04-08-2023, 03:25 PM | #2 |
Getting Wild
Join Date: Feb 2014
Posts: 78
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Re: Which Lithium Battery to get???
I have Allied and have had them for 4 or 5 years. Mine are 60 ah. If I had to do it over, I would have bought the largest AH I could afford. Buy the 90 or 120 AH now.
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04-08-2023, 04:36 PM | #3 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,358
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Re: Which Lithium Battery to get???
It is wiser to buy a larger single battery than many smaller batteries.
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04-08-2023, 04:46 PM | #4 |
Gone Wild
Join Date: May 2012
Location: Rio Verde, Az
Posts: 7,125
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Re: Which Lithium Battery to get???
I strongly recommend a single battery - and I never recommend less than 100AH.
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04-08-2023, 07:02 PM | #5 |
Getting Wild
Join Date: Oct 2022
Location: Southwest Florida
Posts: 96
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Re: Which Lithium Battery to get???
I paid $1000 for two used-but-new 48v 30ah Relion Insight's. Normally they are $1300 each. Not a cheap option, but the 60ah is true and it gets me about 40 miles of range on my 10kw AC cart, plenty for my needs. More batteries can be added at any time (I can fit 6). The two can pump out 800amps burst and 400amps continuous which is plenty even for my big motor. Night and day throttle response and acceleration difference from the lead acids they replaced.
The Relion's are great but overpriced. And I probably wont buy them for my next cart, only because the BMS turns the output off after 24 hours, and that messes with my cart's radio and clock settings, not to mention my controller loses it's "self learning" properties after a week. A large capacitor can probably solve this. If I was upgrading a cart that is not too picky about output voltage (12,13,14 cells for LI-ONS, 15, 16, 17 cells for LFP)) I'd probably go with a used EV battery from a place like https://batteryhookup.com/ ...their inventory changes all the time. In-depth lithium battery knowledge is important if you go this route, and you'll probably have to add your own BMS. Still, by far it can be the cheapest option. Using multiple 48v batteries in parallel is fine, but when you add 4 12v lithium batteries together in series to make 48v you'll probably have problems with the 100a BMS in most of those batteries when you floor it or go up a big hill. |
04-09-2023, 07:04 AM | #6 |
Gone Wild
Join Date: Apr 2008
Posts: 2,226
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Re: Which Lithium Battery to get???
if you open to diy your costs can drop dramatically. battery hookup like mentioned above has great deals but they sell quick. I bought my lifepo4 cells from aliexpress and built a 90ah pack with a 300acontinuous 600amp max bms for under $900. I have not capacity tested the cells yet but the battery has been performing flawlessly. others have built similar packs using 105ah cells which can be found at multiple places for about $60 each with stock in the states
My cells took 2 months to arrive. https://buggiesgonewild.com/showthread.php?t=188399 |
04-09-2023, 08:05 AM | #7 |
Getting Wild
Join Date: Oct 2022
Location: Southwest Florida
Posts: 96
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Re: Which Lithium Battery to get???
About 3 years ago I was getting ready to build a large 48v pack for my boat. The cost from Alibaba for (16) 280ah cells with busbars was about $1000 shipped (48v 105ah was under $400). I put off my order a little too long, and after the supply chain issues and China sanctions the price from the same suppliers has more then doubled. But still, I'd rather build a 200-280ah pack with quality CATL, CALB or EVE cells and Bluetooth BMS than buy a pre-made 100ah mystery box for the same amount.
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04-09-2023, 08:22 AM | #8 | |
Getting Wild
Join Date: Jun 2022
Location: Palm Beach County
Posts: 95
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Re: Which Lithium Battery to get???
Quote:
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04-09-2023, 07:32 PM | #9 | |
Not Yet Wild
Join Date: Jul 2019
Location: Eastern,NC
Posts: 4
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Re: Which Lithium Battery to get???
Quote:
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04-09-2023, 09:16 PM | #10 | |
Not Yet Wild
Join Date: Oct 2015
Location: San Luis Obispo CA
Posts: 74
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Re: Which Lithium Battery to get???
Quote:
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Tags |
allied, big battery, epoch, lithium |
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