Can you recondition an AGM Battery?
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- Опубликовано: 3 июл 2024
- ANHTOZUX ZYX J30 3 stage automatic smart battery charger with LCD display Review and use. The internet is full of video's on how to recondition many batteries. Does it work in reality? Is it worth the effort and expense?
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I just revived my motorcycle AGM that was getting low cranking indicators. It was a sealed maint. Free AGM but had glued plugs on top… so I popped them out and sure enough the gauze matting was dry-ish so I made a mix of distilled water and citric acid and used a syringe and filled to top of plates. Let set for an hour and topped off again then charged up with 10-20 amp charger and placed on my recon mode for 24hrs. It started with a fail test of 9 volts at 310amp draw. Now holds at 10.6-10.8 volts at load. I resealed the plugs with ultra black/ultra gray RTV and it’s back to service.
Keep in mind if you locate the cells, you could drill a hole in top and top off with electrolytes and recharge. The material drys out after a period of time. After all Absorbed acid Glass Material is the key. They still require a damp coating of acid solution. AGM’s prefer an amp rate of half their Amp Hr rating to replenish. Prolong trickle charging tends to shorten their cycle.
Good video. Your honesty means a lot. Sometimes s*** doesn't work out.
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was about to comment to check water levels when video ended... then saw you add that clip in nice 👍
Pretty sure repair mode pulses the current while keeping voltage at higher than normal charge level, typically around 16v.
I think the repair mode is for weak but good batteries. I purchased a nice top don 8amp charger with pulse repair capability (about 50 dollars) and tried it on a regular flooded battery (7 years old) which was showing 490 cca on the tester and it was rated for 640. I ran pulse repair for 7 hours and I eventually heard boiling inside the battery. So I topped off the charge, tested again, and it was very strong with 580 ccas showing. Pulse does work but I guess the battery needs to not be dead as a doornail.
yes there is a point of no return. But if it's just slightly damaged it can be recovered.
The repair mode doesn't charge it
Good video, Exide are good batteries. I wouldn't give up on it yet, I would try a Pulse Tech PowerPulse passive battery desulfator and leave it on your battery for a month or more. Pulsetech claims to use a patented frequency to desulfate rather then voltage spikes and will extend your battery life up to three times. I have one on my 2001 BMW battery for the past three years, and have no problems starting even though I only drive about 5 miles a day, 25 miles a week.
Charge it in charge mode after repair function
Is the pulse mode a battery desulfater if so it would need a charge after that
We use the commercial grade solar pl 2320 prologix 20 amp battery charger and maintainer, definitely a high quality unit. Great video 👍
thats not a desulfator
Why do you select repair instead of AGM?
You have a bad cell, nothing is going to fix that but as far as de-sulfating, this charger does work. It has brought back 3 of my dead batteries to working condition, all charge completely and hold their charge now, the worst one went from a CCA reading of 212 back up to over 700 in about 30 hrs on the repair pulse mode. The charger works great and does what it is supposed to. No charger can repair a bad cell, nothing will fix that. Your review stating it is nothing more than a slow charger and that the pulse repair doesn't do anything is based on your lack of knowledge and misuse and
is grossly inaccurate.
yeah i had 2 that it worked on that were completely dead, even autozone couldn't repair with their charger, Im now trying to repair 12v agm with it and it worked once but now maybe i have dead cell nothing is bringing it back it wont hold charge the couple times i did get car to start after much repair/charge and jump
If it has a bad cell, why was the voltage at 13.8 volts after a charge?
Good point@@josemedeiros007
Exide batteries are being sold under the Bosch brand now for quite a bit higher price.
And they're made in Mexico or China by Johnson Controls which are junk. They're the same as all the store brand el-cheapo batteries.
I seen another agm restoration video and the guy did it first time with similar pulse repair charger and it didn't help and then he opened every cell and added distilled water with syringe and it came back to life when he recharged it.
Can you recall the description of the video so I can view it?
@@kurti4432 Why not just ask for the link
The repair do work on that Battery Charger you have to leave the Battery on Repair until the Next day. I have One and I love it each Battery that I have Repaire all my Old Car Batteries.
Use an analog meter to measure your pulse voltage.....digitals arent fast enough response.....
It will automatically turn off, some batteries take to 24 hours
👍👍👍👍
16V for agm isn't it to much for that kind of battery. They say 14,9 is max voltage.
Yes!!!, great point. 14.4 I've been told even, anything over that can permanently dmg the battery in a single charge apparently.
No, my pulse repair charger zaps it with up to 20v. AGM can take the higher voltage in. The repair is not for wet cell batteries. You're talking steady charge not pulse. 13.9 to 14.6 is where you should be charging at in your car with rating voltage at 12.6 to 13.1.
There's a process that you have to do you have to charge it then fully discharged it then do the repair mode then fully charge
I just replaced the 12 year old OEM AGM battery in my 2011 Ram 1500.
I’ve had mine for 8 months and it’s already low enough voltage to make my steering wheel controls do different functions then intended lol, maybe I turn the car off and blast my 1800 watt stereo too much
Using this exact method and device now on my Camaro. The 1.25 amp battery tender I had it on let the battery die over the past 5 months. This charger got the car to start no problem but the battery won’t start the car 10 seconds after shutting the car off. Got a jump at the gas station and started right up. I’ll let you guys know what happens tomorrow assuming I can refund the vid and remember lol
Add water, charge with caps open in a well ventilated area. Distilled water only, a little below the tubes. 1/8" or so but for sure covering the plates. If AGM make sure the glass mat is obviously wet. You can add water until you see it but same applies, charge caps open.
You can use a volt meter and stick the probes on one of the posts and go down the line you should see ~2.1v increase every cell. So 2.1, 4.2, 6.3,ect. And you can find what cell is the most problematic. There's some desulferate products on the market you can use as well. Good ol winter and cars sitting. Disconnect the battery, if you can use it in your winter car too that's the best or just use it for anything to keep it active here and there just give it a charge every few weeks. That will help tremendously. I like throwing mine in with my daily as i have a big system utilizing multiple batteries so linking another is no big deal. Never come out to a dead car I'll tell you that 😂
You battery putting out 9:44 @ 13v doesn’t meant means it’s toast as you put just because it’s not meeting it’s when new cca spec.
If you let the battery sit overnight yo bleed off surface charge pistons charging and it still tests at
Approx 12.6v & 450-500+cca’s that battery
Could easily start the avg car not problem for who knows,maybe another 1.5-2+yrs or so.
But I have hound the lower priced digital battery testers to not be accurate when it comes to cca esp when testing old batteries your trying to revive.
That’s why I only use old school battery load tester
that puts a direct short on the battery to see if it holds a min of 10v or more for 10-15seconds & what cca is showing during the 10-15second dead short test too.
But most importantly at the end of test your looking for batt voltage to recover quickly above 12v again to 12.4-5-6 range just after test & cca to be a min of 400-425+cca at the end of the 10-15 second dead short load test.
My agm is zero voltage. Any chance to rejuvenate?
Noco Genius smart chargers have a force mode to charge a dead battery lower then a volt. The Noco Genius 5 and 10 chargers also have a repair mode for heavily desulfated batteries. I use a PulseTech PowerPulse passive battery desulfator that uses a patented frequency to desululfate a battery. I have a Duralast Gold battery that I let sit for a year even though I disconnected it and it only had a charge of 11.2 volts, I tried using an automatic 6 amp charger for 14 hours, and it still would not start my 2001 BMW. I then used my Schumacher 1 amp manual charger for 72 hours along with my PowerPulse desulfator, and left the PowerPulse attached all week, now the battery is starting the car even though it is 7 years old, my point is desulfating a battery may take a week or longer.
CTEK 5.0 is the ticket for AGM (as well as traditional) batteries. I just finished running the recond on a 6 yr old AGM battery in my BMW. This battery had been on a CTEK regular mode which goes into maintenance mode after initial charge for more than a month and a half. Battery is rated at 800CCA. Testing with CTEK battery tester it tested @675CCA straight off the charger. After Running CTEK 5.0 AGM/Recond it tests @925CCA. What more could you ask for?
thats not a desulfator
@@txbrn512 What is it then?
@@txbrn512 What is it then?
Better check cell acid level
Can you add water to an arm battery
You can to a leg battery
If cells are dry or not full you won’t be able to fix anything
exactly lol'd at the rest of the comments who didn't watch vid till end when he caught that
The restore is complete when all of the cells have been able to reach high temp. You need to be able to add distilled water that boils off. The reason that your performance is going down is because you need to add water
You don't add water to an AGM battery.
Your slow
@@dr.emilschaffhausen4683 what? Hahahaa yes You must add water if the mat glass its empty and dry. I add all cell about 90ml and my agm still work. Like a new. Beforev 24h voltage drop to about 12.3 now 24h voltage over 12.8voltage. Its crazy. Who told not add watter and said: Your battery explode, damage, etc... Sorry for my english, but normal usage and add water on agms on 2-5years. Its verry iportant how voltage charging Your car had. Under 14.4v its verry god for agms, but "automatic intelligence charging typical new cars its trash" because if battery its 50% discharging Your voltage instalation car its about 14.8-15v its killed Your agm, and next 2/3 years the battery its verry dry, and no water. In my opinion new cars intelligence battery should usage type of normal wet battery and EFB. Not agm. If You have old car and voltage below 14.4v Usage agm. My 28 year toyota had about 13.8-14v and agm its still the best for use this car. Easy charging and faster charging when i compare to standard wet accu.
@@furieux6742 They are not like flooded, lead-acid batteries. They are designed to remain sealed. I'll say you're not supposed to have to add water to an AGM battery, and if you are, there is most likely an issue with it.
If it's working, more power to you!
Damaged batteries are a bear. It is a solution best to learn how to optimally maintain your batteries so they don't go bad. A well maintained battery is much more likely to be rejuvenated successfully. An abused older battery is likely dead no matter what you do.
There are no real way recover old depleted battery. Noco and Ctek are better for maintenance with consistent voltage cutoff but both won't repair either. Once it is below 11.8V there are some permanent sulfation damage.
dude the Noco fried three of my batteries/ NEVER AGAIN
@@dlb83082 your batteries suck or you just got a lemon copy. NOCO has the lowest cutoff voltage, about 14.3V for wet cells compared to CETEK5 14.6V and other brands often above 15V. The voltage is also well regulated.
That type of battery charger and that thing's saying that it can repair is not very good at all they're crap no,
NO
Pulse charge is a snake oil. I haven't seen any successful video. I have a battery problem of my own and I saw only overcharging / discharging works even on AGM
Worked for me on a few batteries. My pulse charger goes up to 20v. It's only for AGM batteries as well. But you need to check the cells and add water if needed. If the cell is damaged internally then correct you're sol
You seems to have no knowledge at all about this subject.
1) Fill every cell in battery with distilled water floating over led material. Vital.
2) Connect this charger and choose Pulse mode or Repair mode.
3) Wait until this device has stopped in repair mode. Can be more than 24 hours.
4) Let it charge until it stops.
Then try.
Agm battery's are sealed because they are inside the vehicle cabin they have to be sealed
Don't be that hard on people doing videos man...
My experience is completely the same... or ever worse for that matter. This particular charger even makes the battery CCA and capacity worse after using the repair function... and I always kept the fluid level up. The only thing that helped a bit was to overcharge the battery at 10A using a lab power supply and leaving the electrolyte to boil for a few hours. I guess it would be even better to use a DC output from a welder, but I don't want to cause explosions nor fire. At that point I gave up on repairing old lead acid batteries until I find any better method. That's my 5 cent.
Lmao it's a sealed battery that never had water it it from new
AGM absorbed glass mat