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Unread 03-23-2015, 04:34 PM   #1
Gone Wild
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Default Old batteries with desulfator

Last summer, my wife left me in charge of her golf cart while she traipsed North to visit family for a couple of months. Since I have my own cart, I completely neglected her cart, leaving it in the garage without even checking it or charging it. So, a week before she was to return, I suddenly thought about it and gave it a charge and took it out for a run. I didn't get very far before it was creeping along, barely making it home. I checked the water levels and much to my chagrin, they were almost dry, showing the lead plates So, I filled the cells up and charged it a couple of times before using the cart again, and it had revived a bit. The batteries are five years old now and still poking along. About a month ago, I saw some cheap Chinese made desulfators on sale on the Internet, and on a whim purchased two of them. They came with alligator clips so I removed them and replaced them with ring connectors, and then connected them to the batteries. My wife goes to the pool for water aerobics every morning and gives a ride to one of our neighbors a couple times per week. Yesterday, she asked me what I did to the cart because our neighbor told her that the cart seems to be faster than it was before. I took it for a test drive and sure enough, it seems more peppy. I realize that the desulfator could not make that much difference in such a short time, but apparently it hasn't hurt it either. I did notice that the battery gauge does seem to register a slightly higher reading (after 12 hours post charging) than it did before. I was planning on replacing her batteries soon, but now I think I am going to see if this thing prolongs their lifespan.

I haven't put the other desulfator on my cart yet. My batteries were replaced less than a year ago, so I doubt very much I would notice any difference at this point. I will probably install it just for maintenance purpose.

The reason I decided to try it was because my neighbor had one of the more expensive ones and he swore by it. I decided that since the ones I bought were cheap and on sale, and the fact that I was getting ready to replace my wife's batteries anyway, what could it hurt, right? Don't get me wrong, I don't put much stock in going cheap. I do like a good deal, but buying cheap usually means poorer craftsmanship. I guess time will tell in this case. If it turns out to be a plastic box with blinking lights and a voltage meter, then I am not out too much of an investment.
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Unread 03-23-2015, 05:03 PM   #2
Not Yet Wild
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Default Re: Old batteries with desulfator

If the batteries were that dry, is it possible that she was running with low water in her batteries for quite a while? Then after you refilled and charged it revived the batteries it worked better?

It sounds like you are lucky the batteries weren't damaged.

I am still pretty new to carts, but these are the questions that popped up in my mind.
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Unread 03-23-2015, 06:30 PM   #3
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Default Re: Old batteries with desulfator

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Originally Posted by NDKoze View Post
If the batteries were that dry, is it possible that she was running with low water in her batteries for quite a while? Then after you refilled and charged it revived the batteries it worked better?

It sounds like you are lucky the batteries weren't damaged.

I am still pretty new to carts, but these are the questions that popped up in my mind.
Who knows? But, it's been almost a year since that incident, and just recently since I installed the sulfator and the comment from the neighbor suggesting that the cart was swifter. My wife has a regen system and it's always been slow by my standards. I have an old series system that will get up and go, in comparison.
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Unread 03-23-2015, 06:52 PM   #4
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Default Re: Old batteries with desulfator

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Originally Posted by MDLNB View Post
Who knows? But, it's been almost a year since that incident, and just recently since I installed the sulfator and the comment from the neighbor suggesting that the cart was swifter. My wife has a regen system and it's always been slow by my standards. I have an old series system that will get up and go, in comparison.
Awe, I missed that the low water issue was a year ago.
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Unread 03-23-2015, 10:29 PM   #5
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Default Re: Old batteries with desulfator

There are a few threads on here regarding the use of these types of units. Lot's of positive feed back.
48-Volt Battery Maintainer
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Unread 03-26-2015, 05:25 PM   #6
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Default Re: Old batteries with desulfator

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Originally Posted by passthru View Post
There are a few threads on here regarding the use of these types of units. Lot's of positive feed back.
48-Volt Battery Maintainer
Actually, I am referring to a Desulfator, not a "maintainer." But, now that you mention it, I am thinking of purchasing a maintainer for my batteries. I wonder if having the desulfator hooked up, would I have any problem with it working properly? I wonder if the desulfator would confuse the computer chip in the maintainer and cause it to kick the charging operation on unnecessarily.
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Unread 03-26-2015, 07:22 PM   #7
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Default Re: Old batteries with desulfator

The Save A Battery unit I have is a maintainer and desulfator.

http://shop.saveabattery.com/48-VOLT...48-2365-48.htm

All I can offer is anecdotal, but my batteries seem as good now as they were when I first started using it 18 months ago.
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Unread 03-27-2015, 08:02 AM   #8
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Default Re: Old batteries with desulfator

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Originally Posted by 55BigBlock View Post
The Save A Battery unit I have is a maintainer and desulfator.

http://shop.saveabattery.com/48-VOLT...48-2365-48.htm

All I can offer is anecdotal, but my batteries seem as good now as they were when I first started using it 18 months ago.
Interesting. I found that same model on sale for $75+ shipping on another site. I think I might jump on it.
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Unread 03-27-2015, 09:30 AM   #9
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Default Re: Old batteries with desulfator

Well man post that site so others can save as well!
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Unread 03-27-2015, 11:10 AM   #10
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Default Re: Old batteries with desulfator

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Originally Posted by passthru View Post
Well man post that site so others can save as well!
Not sure if this is allowed:

http://www.jbtoolsales.com/save-a-ba...ainer-48v-50w/
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