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Old 11-18-2022, 10:58 PM   #71
augiedoggy
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Default Re: Uno battery for Ezgo TXT

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Originally Posted by Volt_Ampere View Post
IMO, some of the problems are poorly designed and programmed BMS's. I think there are more problems with BMS than with bad cells.
Yeah I never said they were bad cells I just think if you were to break some of these open you would find the same Chinese cells everyone's using. It's hard to know without breaking one open but I think the bms and in some cases the smaller 30-60ah cells being used with a max c rate of 60-90amps is the weak point in some configurations. Also some bms systems can only be used in a series or parallel with so many additional batteries without issues.
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Old 11-19-2022, 10:41 AM   #72
augiedoggy
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Default Re: Uno battery for Ezgo TXT

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Originally Posted by scottyb View Post
IMHO - there is as much Bs here as I have seen anywhere.
You know im trying to not pick out any particular seller or battery but theres plenty of BS to go around. For example what do call this statement?

"100% USA Made in Idaho"


I'm pretty sure there are no lithium battery manufacturers in Idaho... There is an Idaho based company thats building the first american owned lithium battery plant in the US... But thats going to happen in Arizona when its completed unless somethings changed.

https://www.businesswire.com/news/ho...uring-Facility

Taking Chinese 3.2v batteries and wiring them in a series with a bms and dropping them in a case is hardly 100% USA made in Idaho and to say otherwise is misleading.
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Old 11-19-2022, 12:58 PM   #73
scottyb
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Default Re: Uno battery for Ezgo TXT

The same can be said for all of the American automakers and many more American companies assembling foreign products in the United States.
Does that upset you equally? Are you on the Corvette forum bashing the "American Tradition" automaker?
Perhaps the battery in question is as made in the USA as it gets. Perhaps there are Americans employed in construction of the product. Do you know that answer or are you just keyboard bullying for some entertainment...
Because you keep saying you have not taken any commercially available batteries apart but you know they must all be the same cheap stuff inside. Which is just unsubstantiated dribble.
Have a nice day and find something constructive to do. I know I will
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Old 11-19-2022, 02:08 PM   #74
augiedoggy
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Default Re: Uno battery for Ezgo TXT

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Originally Posted by scottyb View Post
The same can be said for all of the American automakers and many more American companies assembling foreign products in the United States.
Does that upset you equally? Are you on the Corvette forum bashing the "American Tradition" automaker?
Perhaps the battery in question is as made in the USA as it gets. Perhaps there are Americans employed in construction of the product. Do you know that answer or are you just keyboard bullying for some entertainment...
Because you keep saying you have not taken any commercially available batteries apart but you know they must all be the same cheap stuff inside. Which is just unsubstantiated dribble.
Have a nice day and find something constructive to do. I know I will
Chevy hasnt advertised or made claims to be made in the USA in decades. they just state "assembled" in whatever assembly plant. Some models are completely assembled in countries like Korea. Regardless that battery should state "assembled in the usa with components both foreign and domestic" and the reason it doesnt and they doubled down with the "100% USA made in Idaho" claim is misleading marketing and its BS.. You are the one who went there making claims of BS on my part.

With your logic my Yamaha is "100% usa made in new york" because Im wiring my batteries up into a series pack inside it and installing a bms..

There is a guy on youtube that spends thousands on buying lithium batteries and tearing them apart and showing everyone how they are made so I dont have to...

https://www.youtube.com/watch?v=G5E30u-66VI


https://www.youtube.com/watch?v=aahHWaV6Zdk

https://www.youtube.com/watch?v=OW3QCeWFDys
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Old 12-12-2022, 11:13 AM   #75
meego97
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Default Re: Uno battery for Ezgo TXT

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Originally Posted by scottyb View Post
It took 40 years to educate everybody about wet cell battery requirements. We are about 4-6 yrs into the mainstream Lithium conversion age. Be patient. There is a learning curve and some people will be on the low end of that curve. I've spoken with people who bought the low end battery only to find they had no solution but to buy a better battery.
There are usable by everybody solutions out there. I'm running 2 such drop in kits right now. They are from Eco and Uno and they cost from 2.5k to near $3k. The problem of is with people who are lithium bargain hunting. They are finding sub standard batteries available. Welcome to the market. The same is true, can happen, if you are shopping for a pressure washer.
Most of us have learned we do not want the cheapest anything.
TGIF - have a great day
Hi Scotty; wonder if you've got any updated thoughts on the Uno vs Eco batteries you're using. I've got a 2016 EzGo RXV, ready to replace my 4 x 12 Trojan lead batteries and really would like to go lithium for ease of maintenance especially when I'm gone from my Arizona home for most of the summer. Sounds like the RXV have some unique challenges with certain lithium setups due to the regen system. Are you comfortable recommending either or both of the Uno and Eco battery systems for RXVs? As a relative newb here I really appreciate the information you provide on these forums!
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