Ellis Kinney
Well-known Member
I have an Optima red top in my SMTA. My maintainer is a battery minder that has a button to de sulphate the battery while hooked up. Is this necessary with an Optima dry cell battery? Thanks, Ellis
- Thread starter Ellis Kinney
- Start date
Janicholson
Well-known Member
Absorbed Glass Mat batteries aren't "dry". they have liquid electrolyte the same as flooded cell batteries. The reduced movement of the absorbed liquid reduces the sulfation in a properly maintained and charged battery. I would not recommend the desulfering process unlaee there were alseady issues with the battery like self discharge or failure to charge. Jim
While a cheaper low energy batter maintainer may have some sort of a so called "Equalize" cycle I don't see them as producing sufficient energy to perform a true deep high voltage high energy "Equalization" as defined by some of the battery makers, so Id say SURE try it if the battery needs it, I don't think it will HURT anything but may not actually HELP much if any at all.
John T
John T
kcm.MN
Well-known Member
- Location
- NW Minnesota
I have a dry cell (AGM) battery that came in my Farmall 460, but don't really know much about them, So, thanks to your question, I did a little research. Keep in mind.....a LITTLE research. *lol*
First I went to Optima's website. It appears they make their own brand of battery chargers/maintainers, but there doesn't appear to be a setting on them for de-sulfation. I'm going by the text only, as my internet is SUPER slow now and I got tired of waiting for the images to load. Don't know if there was anything I missed on the images. That's one very slow website!
After finding nothing on the Optima site, I did a search to see if dry cell batteries ever needed de-sulfating. Ended up coming across a really nice article from 2011. Up until now, I've been unsure as to whether this de-sulfation stuff is fact or fiction, but have been doing it on my batteries....just in case. These guys are definitely a lot more "in the know" than I am and even they did not know.
Rather than writing down what they did, this link (in my opinion) is truly worth a look:
http://www.superstreetonline.com/ho...l/impp-1105-battery-desulfators-fact-fiction/
First I went to Optima's website. It appears they make their own brand of battery chargers/maintainers, but there doesn't appear to be a setting on them for de-sulfation. I'm going by the text only, as my internet is SUPER slow now and I got tired of waiting for the images to load. Don't know if there was anything I missed on the images. That's one very slow website!
After finding nothing on the Optima site, I did a search to see if dry cell batteries ever needed de-sulfating. Ended up coming across a really nice article from 2011. Up until now, I've been unsure as to whether this de-sulfation stuff is fact or fiction, but have been doing it on my batteries....just in case. These guys are definitely a lot more "in the know" than I am and even they did not know.
Rather than writing down what they did, this link (in my opinion) is truly worth a look:
http://www.superstreetonline.com/ho...l/impp-1105-battery-desulfators-fact-fiction/
buickanddeere
Well-known Member
Only two things to remember about that battery . #1 Do not leave it at a low or discharged state . #2 never ever ever exceed it s max rated voltage .
The early "battery minders" with the desulphate mode and storage mode did not have proper regulation for long term storage and would usually boil off the electrolyte is hot weather, over time and ruin the battery. The newer versions have temperature compensation build into them to stop this problem.
Nothern Tools has them on sale this week for around 22.95. I have lots of them on everything.
You really do not want to desulfate AGM Batteries. They have plates that are
99.999 present pure and should not have that problem if correctly maintained.
My Optimas work very well. Use a smart charger maintainer like the NOCO units.
The picture shows the one with every bell and whistle and also the simple
model. I have both types. The simple one will fit you 99% of your needs. Keeps
your batteries happy.
99.999 present pure and should not have that problem if correctly maintained.
My Optimas work very well. Use a smart charger maintainer like the NOCO units.
The picture shows the one with every bell and whistle and also the simple
model. I have both types. The simple one will fit you 99% of your needs. Keeps
your batteries happy.
Janicholson
Well-known Member
AGM research I have done stresses the fact that the compressed microfiber glass places the active spirals close together and, as such, high voltage can cause real damage. Jim
Thank you Jim!!! You want to cry.. you should see when people throw a big old "Gas station" charger on a glass mat over the weekend! Neat way to boil a 2 hundred dollar battery. An even worserer thing is when a guy got hold of a couple Optimas and just left them on the shelf. No maintainer.. nothing. He just let them die. Took about five months. Idiot! If you need a 6volt battery for an old truck or tractor check out that 6 volt Optima spiral wrap. You can't believe how much power they have! Around 180 bucks.
I have the NOCO 3500. Have 2 AGM batteries that are both low voltage and won't recharge. I am thinking of using the RESTORE mode of the NOCO but you say "You really do not want to desulfate AGM batteries. I thought that is the main function of the RESTORE mode. Can you explain further?
By the way, I bought the NOCO 3500 on a recommendation you placed here on YT.
By the way, I bought the NOCO 3500 on a recommendation you placed here on YT.
Geo-TH,In
Well-known Member
JT,
Measure the acv going to the battery during desulfate cycle.
Mine showed around 30vac. Not sure don't have a scope to measure frequency and duration of pulses.
The only way I know the desulfating cycle is complete is by measuring ACV at battery which makes take many days.
George
Measure the acv going to the battery during desulfate cycle.
Mine showed around 30vac. Not sure don't have a scope to measure frequency and duration of pulses.
The only way I know the desulfating cycle is complete is by measuring ACV at battery which makes take many days.
George
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