NOCO Genius G3500 Repair Mode Tested
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- เผยแพร่เมื่อ 31 ก.ค. 2024
- NOCO Genius G3500 Repair Mode Tested
NOCO G3500: goo.gl/ixxv8u
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We, fwh1979, are not responsible for property damage or injury incurred as a result of any of the information contained in this video. Information given in this video does not guarantee the desired outcome. Any injury, damage or loss that may result from improper use of the tools, equipment, or the information contained in this video is the sole responsibility of the user and not fwh1979.
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Check out this newer repair mode test video here: th-cam.com/video/SRuLAd2xbFs/w-d-xo.html
Good job making the video, it was very informative. I am very impressed with the Noco Genius 5 and 10 chargers. What is your opinion on battery desulfators for maintaining a battery? I use a Pulse Tech PowerPulse passive desulfator, they claim to have a patented frequency they use to desulfate batteries and can extend the life up to three times, I have been using it on my BMW battery for the past three years and never have any issue's starting even though I only drive about 25 miles per week.
I spent almost half an hour watching this...you could have made it 10 minutes long. Straight to the point
gary speldewinde: Ok, why don't you go make a 10 minute video about this charger then?
20 mins long which is 1/3 of an hour. You probably spent 10 minutes picking your nose. OH...and guess what?? TH-cam has this thing called “fast forward “ moron.
Thanks for the video. Sorry but I only spent 10 minutes watching it. Keep up the good work!
Ian Carter I’m just a home user and I bought this a couple months ago. I’ve liked how easy it is to use.
@@fwh79FOXR6 I'm not sure if 2x viewing speed was an option in 2019, but it is now and that's what I use when watching some of the longer videos.
I have tried the restore mode on 2 batteries. It worked impressively on one battery and had a minimal effect on the other. As far as buying a new battery, this type of unit is always going to be good for trickle charge upkeep. I like this little unit. It more than paid for itself. My Miata uses a 180 dollar Bosch battery. It was not holding a charge. Now it is really performing well. The 2nd battery I tried this on with poor results was really the fault of the owner of the battery. Leaving a dead Lead Acid battery sitting for 4 years is going to ruin the battery. Thanks for you detailed narration and demonstration. I learned a bit. Liked and Subscribed.
Went back out and redid all the connections.....and it now works. Thank you once again for your help..I appreciate.
You're very welcome.
I've had my NOCO for a little over a year and it has been working great. I was able to recover a Sulfated 3 year old battery. In my experiences it's always been hit-or-miss on repairing sulfated batteries. Been using the charger mostly to keep my Harley maintained and so far so good.
I'm sure it works on some batteries. I think they should call it rebalance mode and not repair mode. I found another battery to test it on. It was at 3 volts when I got it home. So I charged it... and it's fine now. Couldn't even try the repair mode on it! So I am hoping that I can find another battery to test it on. Would like to see some better results. The battery I used in the video had low water before I charged it. I think it was just too far gone. Thank you for posting a comment though. Glad to hear that someone had better luck with it than I did.
@@fwh79FOXR6 NOCO makes clear in the directions of this multi-function unit that not all batteries can be saved. This video proved that. I love the G3500 myself.
I am still using the G3500. Still happy with it. I mostly use it for keeping a stored car battery alive.
@@fwh79FOXR6 Can you go into the repair mode while the Battery is still installed in the Vehicle ?, or does it need to be taken out ? -- mine holds a charge for a few days but after that it wont crank the vehicle.
@@kchedville You can use repair mode while the battery is still installed in the vehicle but you need to completely disconnect it. The means you need to remove both of the battery leads. If you do not disconnect the battery, it may cause damage to the vehicles electronics.
Thank you for your prompt reply. I unplugged everything.
I just did the repair on my riding mower battery, and it worked!!!
I bought this charger for my Harley to use as a trickle charger, so the repair mode wasn't a big selling point. However, it was a factor in my final decision and im glad I bought it.
A couple weeks ago I went to start my riding mower, and the battery was dead. The battery I just restored, believe it or not, is from 2017. I have only cut the lawn three times since then, but it starts every time like I put a new battery in it.
I will update this post when the battery fails again. Fingers crossed I get at least another season.
This is a new technology to me. I have high hopes that it has a bright future!
The Noco battery chargers do not work every time on every battery. The force mode enables charging even below 1 volt, try that on a regular battery charger. Won't even recognize you are trying to charge a battery below 12 volts and start charging.
Repair mode desulfates the plates and brings up the battery and extends the life and time in between charges. This is a great product, it is now 2020. Also, love how you charge a battery on a concrete floor.
Mike Spain: If you have a battery that is below 1 volt, it has probably been severely damaged. Any automatic battery charger can be triggered to start a low voltage battery, with a charged battery and jumper cables. Which makes force mode irrelevant. The best way to desulfate a battery... is to never let it sulfate the plates in the first place. That can be achieved with any $20.00 .8 volt battery maintainer. Finally, it's not 1970 anymore, you can charge or storage a battery on a concrete floor. Love how you think that putting a battery on a concrete floor discharges it... it is now 2020.
My 12v car battery ( not deep cell) is nine years ( young) . All due to Noco 3500 charge and repair mode applied whenever I think of it. Never had a flat Batt. So I recommend ..
Cheers..
I had a battery that wouldn’t take a charge. It was old and had been sitting for 5 years, unused. I used my battery desulfator on it just to see if it would work.
I would check the battery without the charger after a day. It showed maybe two volts. Improvement, but not great. I left it on for another day. Not much change. Then I left it on for an entire week. It showed 7 volts. Two weeks later, it was at 11 volts. After almost an entire month it was at almost 14.
I started using it in my car. A year later, it still works great.
I think these repair chargers work in many cases, but may just take much longer than the manufacturer suggests.
James Erhardt: Without a doubt, results will vary from battery to battery.
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I would say the cost of the charger is fine since even using the 3.5 amp to maintain the charge in your battery through the winter will go a long way in making it last longer before it fails thus saving you money.
Actually, no need to take the caps off the gases are circulated back into the battery. Despite what the directions say, charging can take up to 3-days plus.
Water levels in the cell are low because chemistry of the battery eats up the water when discharges and sulphates both the negative and positive plates. Charging produces waters and de-sulphates the plates when charged to the correct voltage level per cell.
I'm happy about your results. You'd think the manufacturer would do these videos to explain the item's modes and lights and so on. I am using a different brand and trying the repair mode but the instructions are so vague in the manual.
mytexas days: Are you using the CTEK charger?
Worse yet, the NOCO instructions and what they tell their support people to tell customers is not what the actual devices do. (Typical disconnect between engineering and marketing.) They seem to do a repair, then at some point initiate a charge cycle, then reassess the battery and repeat as necessary. Each time bringing back some more capacity if possible. When it decides it can no longer get any more back, it either throws an error or goes into standby mode (orange power light is the only light on). So the green 100% light and repair flashing does not mean it is done, only going into standby means it is done.
Noco states right in the G3500 manual that repair mode is for sulfated/stratified batteries, and that not all batteries can be repaired. They also state that the battery should be charged to a full charge before using repair mode.
Yes you cannot fix a shorted (gasing) cell,
Dan Hammack how does the repair mode work ?
Worked fine for my battery that wouldnt charge on my other charger which it indicated as a bad battery... Noco fixed it. It did take 2days on the repair mode
I have been suspecting the repair mode does not really work. Many thanks for doing it for me.
Andrew Ngo: You're welcome
Repair mode does work , ive repaired many batteries , just need to know what your doing , most people expect immediate results , its a slow proccess but better the 200 bucks for a new battery....
Thanks for the video 👊🏼
I found this video useful and helped me get familiarize with my new g3500. Thanks for the experiment.
Josh T.: You're welcome. Thank you for the comment. I also tested this repair mode on a good battery. Unfortunately, that also did not go very well. This product is a good battery maintainer. However, the repair mode does not seem to be a good selling point for anyone who is interested in its claimed repair abilities.
specific gravity on each cell, voltage on each cell?
My glass pack batters. Been in my bikes since November. Im sure dead. Im wonder will they need trickle or a charging. Glass pack i have no idea.
I have recovered several batteries with this, never a problem.
thanks for the video and the testing, I have a couple a batteries that are weak (good voltage but
ploughable: Which model Topdon are you looking to purchase?
Does it have a shock mode on it to put enough charge in a completely dead battery for the charger to initiate the charge? I know the Genius 5 and 10 do.
Is the repair mode just +1.5Amp extra current? Does Suaoki 4A charger have repair mode as well? Or all this repair mode thing is marketing?
I left my battery connected in repair mode for 36 hours then it went into standby, meaning that it fixed the battery. I tried the repair in a "good" bat and went into stand by after 2 Hours. Do not have a load meter so I cannot assure if the repair was efective.
doing a good job & like this
I used mine to bring up the 2 batteries in my Ram 3500 when they went low from not driving the truck for a couple of weeks. It worked fine for this, its small nice to leave it under the hood overnight to do its thing. My NOCO G3500 doesn't seem to have the battery repair.
Nice! I bet that Ram fired up really nice after that.
@@fwh79FOXR6 hold the mode switch 3 secs the click it till it goes into repair AFTER charging the battery fully
@@islandercafe54 That's what I did... watch the whole video next time.
@@islandercafe54 Did you watch the whole video??? ... probably not.
Here is a map of the video I made for someone else who left an ignorant comment.
Enjoy...
-First load test: 1:43 Result 250 CCA Bad Cell
-Filled all cells with water: 4:10
-Read the instructions on camera: 6:11 Pay attention to that one...
-NOCO literally states that "not all batteries can be recovered": 6:28
-NOCO states to ONLY use on 12V lead acid batteries: 7:16
THAT MEANS NO AGM OR GEL batteries (i'm looking at you people using repair mode on an AGM battery)
-NOCO states that the battery should be completely disconnected from the vehicle to prevent damage to the on board electronics: 7:28
- I tell the viewers that I am going to CHARGE THE BATTERY as stated in the INSTRUCTIONS: 7:45
- First charge: 8:06 3.5 amp setting
- I discover that one cell is not bubbling properly: 9:38
- First charge completed: 10:30 8 hours of total charging (guess I didn't charge it!)
- Load test after first charge 10:54 Results- 404 CCA Bad Cell
- Second charge: 11:46 .9 amp setting
- Second load test: 12:50 Results- 402 CCA Bad Cell
- Repair mode started: 13:54
- Cell still not bubbling during repair mode, green charge light FLASHING: 16:07
- 5 hours of repair time green charge light STEADY: 16:15
- NOCO states repair mode time "can take up to 4 hours to complete" 7:07
It does NOT state that repair mode should be used past 4 hours time.
For everyone stating that I didn't do it long enough. YOU can go do whatever you like. I will not leave this charger on battery unattended for days on end. Anyone who does that, probably doesn't understand what happens when a battery explodes.
- Third load test (post repair mode) 17:35 Results- 410 CCA Bad Cell
- I recommend not buying this charger for repair mode: 19:04
@@fwh79FOXR6 so a 12V AGM battery is not a 12V lead acid battery? And here I thought that it just absorbed the acid into the mat, rather than having a liquid freely flowing (gel being somewhere in-between), but was otherwise the same battery chemistry. Marketers have their own language and are virtually guaranteed to distort what the engineers give them. On a NOCO charger, repair only does 12V, but the charger does do other voltages, so it can only be used on 12V batteries - ✔. It also does other chemistries that are incompatible with repair, so only use on lead-acid ✔. It does not specifically say only "flooded lead-acid batteries" or "not for use on AGM", so I would assume that it can work (perhaps not as effectively, but still work).on AGM and Gel (though I haven't researched gel). I am already running some experiments with two AGM at the moment, unfortunately, I haven't been documenting it all. I have an idea in my head now for a series of experiments once my next set of test equipment arrives.
I have done a fair bit of research, but now I REALLY want to instrument up and do some deep digging because I don't think we know the real story about how these repair modes are supposed to work / cycle and for how long. I have recovered a few batteries that I got many more years out of, they were deep cycle AGM and with temp monitoring and regular observation for signs of venting, the one was on recovery for something like 3 weeks before the charger decided it was finished (I had more or less given up, but had no immediate need for the battery and it wasn't in the way, but was in a spot I went past frequently enough to do checks.) I have observed the NOCO charger do multiple charge sequences in between recovery periods, I believe it does some recovery, charges, evaluates and continues the cycle, but I want to experiment further. One of the things I want to establish is whether it only "repairs" cranking, or whether it has an effect on amp-hour residual capacity as well. Oh and the manufacturer clearly states that these can be left on and connected indefinitely to float and maintain a battery that is infrequently used, though that is NOT repair mode.
It is a for fix batteries that a shulphate plates not shorted gassing cell.
I have had to use repair mode on batteries that were drained too low and the same charger told me it was no good. Could read the battery voltage, just so low it figured it was bad. Also, in the process of repairing two deep cycle batteries that were so dead that the charger told me to connect the leads. They were connected. Had to cheat by putting jumper cables over night to my boat battery with a 4 amp battery tender hooked up to the boat battery. Have also been able to trick an automatic charger by jumping over to a good battery until the charge finished test mode. After it decided it was good, i unhooked the jumper cables and it finished charging. I really need to find a good manual charger one day.
i have a genius g1100. i have a dead battery that wont start my jet ski but if i jump the battery it will start. in the manual for the charger it mentions recovery mode and what it does, which however it works is NOT like the charger in this video, but never mentions how to use or how it indicates to the user its in recovery mode. i took the battery out to charge it and when i connect the charger all 4 percentage lights light up solid like the battery is fully charged (the battery in an open circut voltage test shows 10.74 volts). however the charger makes an on/off clicking noise, click ------ click ------ click and so on, i dont know if thats what normally happens when a battery is fully charged but every sign points to a dead battery. if it matters how the battery died it was working fine all day. i was shutting the engine off and starting it back up all day long, as one does with stand up jet skis. every time, including the last time i started the engine, the battery started the engine easily with plenty of power. i stopped for 5 min or so and when i went to start the engine there was nothing. as mentioned before i jumped the battery and the engine started right up. i continued to ride it around for another 10 min or so without issue. not sure if that indicated the health of the battery or gives any info into figuring out what my charger is doing but i figured i might as well share that info.
BOUNCING AROUND IS NORMAL AND THAT VOLTAGE IS REALLY GOOD THATS A GOOD BATTERY
No, it is clearly not a good battery. Just because it reads a high voltage doesn't mean that it has as much capacity as it should or that it can provide the current necessary to start an engine, especially in cold weather. For that matter, a battery can also read a good voltage right after it is charged but drain itself overnight. I have seen plenty of batteries that read a normal voltage when at rest but that won't start a car. I have also seen batteries that will start a car just fine after they are charged, but that drain themselves overnight.
Let it sit on repair mode for a week or so. A few hours won't cut it. I did a big marine starting battery (850 CCA, 125 ah) that had a bad cell and it brought it from 8.3 volts up to open circuit charge of 13.2 and the cell was back in service after 6 days. I plan to run it some more to see if it will bring up the capacity some more,I got my 3500 V2 on sale at Camping world for $60 but realize that I actually need a bigger charger for a bank deep cycle batteries. I do like the cable interchangeability.
Really, you left it on Repair for 6 days?
Then you put that Battery back in service??
I sure hope not back in a boat....
Hugh Jazz: HAHAHAHA! Yes... my thoughts EXACTLY! Better bring your paddles and a flare gun!!!
@@mountainconstructions Actually, I just replaced that battery about a month ago (July, 2022). I didn't run it in a boat, but in a Ford Windstar. I got seven years out of that battery.
Years ago I started using a group 29 Marine battery in ithe minivan instead of the group 65 that is specified. It's a long, amusing story as to why, but mainly, with all of the lights that come on when you open the doors, the alarm and all the other background electronic "goings on" , the Marine battery holds it's charge much bettery. The group 29 is much heavier and barely fits into the battery tray but does a much better job over all. I can even listen to music while waiting for the wife and not worry about the battery being too low to start it.
I've also found that I get the best results in repairs with the G3500 by not even charging a battery at first, but going straight for repair mode (after testing it first, of course). I've brought back three automotive batteries in the last month, but there were also three lawn mower batteries that failed to come around. The automotive batteries took between 2 and 4 days to bring the batteries up to full charge.
I've got a newer Noco G10 also, (and a couple of others) but the newer chargers stop the repair cycle after so many hours (can't remember how many off the top of my head).
That little G3500 has paid for itself several times over since that last post.It shines when it comes to using the repair mode.
It would be interesting to see how that one cell responds to EDTA so add the EDTA to just the one cell not all of them and run the repair again!
buckaroobonsi555: What's EDTA? Is that epsom salt?
@@fwh79FOXR6 Ethylenediaminetetraacetic acid - A chelating agent.
Mine blink from repair mode to standby and back, any idea what would this mean?
Alexis Moreno: I'm not sure what the problem is. I'm not a big fan of repair mode on this charger.
Just came across the vid while on a searching another topic. Have had one of these for about 4 yrs now. It has revived quite a few batteries in that time but also some batteries are just dead. (usually so much sulfation in a cell it actually builds up to a high enough level to short out the plate at the bottom and you cant fix that. Occasionally giving the battery a rock and drop shock can if just got get it early enough before the sediment has become a permanent part of the plate.)
Done a good run through the process with a few errors IMO from trial and error. Firstly the light just turning green and flashing while the other 3 are still lit is not 100% . 100% is achieved when all the others go out and only the green is lit. Secondly load testing before each step negated charging the battery to !00%.
As said above its not a miracle worker but will revive batteries not permanently damaged and not tried till the problem has been a long term one.
As for buying it or not if you look at it as a high quality multi purpose regards voltage and chemistry charger that also has the potential to save some batteries actually consider it a worthwhile addition to the garage.
If as fwh79 said you buy it as a cheaper option than a new battery and will never actually use it as simply a charger first then definitely just buy a new battery.
PS also when running repair mode could often take going through the cycle 2 or 3 times leaving a day between.
Repair mode takes about three days and it will automatically stop according to this video the repair cycle was not complete yes the manual says four hours it's more like four days I own the 2600 it's worth it's weight in gold in my opinion!
Muchas graciosness. Someone read the manual.
100% agree, spend the money on a new battery vs a hail marry battery repair tool.
Not worth the risk at all.
I have noco genius 10 , and I wanna use repair mode . How can I know when is repaired ?? It’s automatic turned off ??
It will end repair mode and switch to maintain mode when it is finished.
it didn't work on mine as well..
so if about 50% of cca means bad battery, what is a good percentage? does it HAVE to be the exact cca to start the car?
fall back: I personally don't like any battery that is 100 cca less than the specification on the battery. It is also a good idea to fully charge the battery and let it rest for 8 hours before performing a load test for a higher degree of accuracy in testing.
Nolt all batteries can be saved doesn't mean charger doesn't work , I've recovered some batteries and others didn't recover . You win some loose some but ones you do save that's a plus
Thank you I was going to buy one to but not now😢😮
CRAIG ROMAN: You're welcome. Your money is much better spent on a new AGM battery.
I have this same charger and I think it works as advertised. I wouldn't say this charger failed the repair mode. It only failed to repair this particular type of battery problem which repair mode wasn't designed to handle. It will however repair stratified or sulphated batteries caused by improper storage and charging practices. An interesting test though.
I agree with you. I feel like repair mode is really good for a stratified battery.
I think its good for a mystified battery as well. But not a stupefied one.
That Charger will not fix a bad cell. Plus, it would probably benefit you to let it charge up all the way before you start repair mode. Also leave it in repair mode until it goes to standby.
Did you watch the entire video? I'm just curious because your comment proves to me that you didn't.
I would try plugging the G3500 into the wall as well.
Maybe you should go back to watching your psychology videos buddy. I fully charged the battery in the video TWICE before starting the repair mode... guess you missed that part both times it happened. Thanks for the advice though. I would suggest you plug your brain in before you leave another comment on any TH-cam videos. You're doing a great job of proving to the world that you are an ignorant fool.
Thanks for your feed back. You can go down to auto zone and buy a new battery. Auto Zone is a parts store so if you need anything you can reach out to them and they can help you. They can also charge your batteries for you too.
Oh look... more proof you didn't watch the video. I recommend at the end of the video to just buy a new battery instead of trying to repair it. Maybe you were distracted thinking about Alessia Cara. I know all about Auto Zone charging batteries, however, maybe you didn't notice that I own a pretty nice NOCO charger. By the way, I love all your original content. Especially all the videos you have about... OH WAIT you have ZERO original content on your channel. You have so much to offer the world... don't you Will. I'm curious, how childish are you? Gonna dream up another amazing comment to throw at me??? Can't you just admit that you didn't watch the video, maybe even apologize and be on your way?
The orange light (standby mode) stays on....I tried choosing a charging mode.....it will light on different mode but than goes right back to orange. Should I just unplug it? Car starts...no problem. Is this normal?
Lyette Robert: No, that is not normal. You can try to unplug it, wait a few minutes, and then try plugging it back in. You may have a bad connection to the battery, so check that first. Are you using the clip on clamps, or a 12v accessory plug? If you are using the 12v plug, you may not have a connection with the key in the off position. Some 12v accessory outlets are only "hot" when the ignition key is turned to the on position. If you are using the clip on clamps, try to preposition them. It should charge in the mode you selected and, when finished charging, it should pulse the green 100% charged light.
Leyette Robert: This video shows the triggering of a proper charge cycle. Skip to 7:45 in the video. Also consider, you may just have a faulty unit.
Hello, tell me please, is it worth taking this charge? Does it raise the density of the battery? the video seems to almost raise, for the purity of the experiment it was possible to measure the density after several hours of inactivity, I think it will rise again. Generally recommend to buy or not?
This NOCO charger makes a good battery maintainer. However, I would not buy this charger to "repair" any batteries. I think your money would be better spent on a new battery than it would be buying this charger.
fwh79 If you use it as a charge, can you? the car is a little mileage so the battery does not have time to charge) still think that something easier to take?
just get it right for its cost in Russia you can buy 2 batteries, so I’m not interested in our reviews in Russian) the fact that you can safely leave a quality thing on a car to recharge at least every day I understood
@@germashev2209 In my opinion, every car needs a battery maintainer. This becomes very important in freezing cold weather. When a battery becomes low on charge, it is much easier for the water in the battery to freeze. I'm sure you can find a lower-cost option battery maintainer than this NOCO charger. If you have time, check out this video I made: th-cam.com/video/biwTpBFM-ns/w-d-xo.html I think it does a good job of explaining why a battery maintainer is important.
fwh79 ok thank you once again good luck and prosperity to your channel
can you try/test CTEK chargers?
I don't have any plans to pick up a CTEK charger any time soon. So unless CTEK sends me one... I don't see it happening. They do seem to have a solid product though from what I have seen.
19:39= NO IT DOESN'T WORK. "SAVE YOUR MONEY AND BUY A NEW BATTERY" Thanks for doing Experiment 👍KEEP PLOWING 🐊
Don’t let your charger be in the cold the wires get brittle and crack real easy
I sent in 2 G7200's under warranty and they replaced them with the new G10's.
how can you measure the amperage being provided by one of these chargers? A expensive multimeter that can go above 10A DC?
Fee Nicks: You can check it with a cheaper multimeter like this one... amzn.to/2xHnzI0
fwh79 yea sorry I meant the amperage, but even so using voltage as an example, testing the voltage at the terminals with the charger connected gives you the voltage of the charger, but I don’t know how to measure the current reliably
Fee Nicks: You would need an amp clamp amzn.to/2M9xxsr
You'll need an amp clamp clamps around the live cable
Oscar is absolutely right. They are available as a separate clamp and use a standard multimeter. Or for a low amount of money you can buy a multimeter that has a clamp built on to it. It measures using induction. I have seen ones for as low as 35 bucks that will measure up to 400 Amps. More costly units measure higher but how often do we really need to measure those really high current levels? Unless you are a pro.
most desulfators take a couple of repair cycles to properly desulfate
Nice video, at least you got your Battery to go into the GREEN LED when on Repair Mode
Mine did nothing for 3 hours, then finally 25% and 50%, then a flashing 75%
After leaving it all night, it was still just flashing at 75% on Repair Mode
I disconnected as i figured that was way too much time on Repair
The battery is now in worse shape than it was, open circuit voltage is 11.89
In my case, the Noco G7200 did nothing at all, probably only caused more damage
I have to comment that when i have used my CTEK chargers on Repair mode, all they have done is kill batteries!
A motorcycle AGM battery that was ok, was rendered useless after Repair Mode on the CTEK.
The ONLY occasion i can see Repair Mode being of any use, is a battery that is so depleted, its voltage is too low to allow a Smart Charger to start.
Using Repair might just lift the voltage enough, to allow the Charging Aogarythm to begin
Thank you, i'm glad you like the video. Yeah, I agree with you about repair mode. I think that the repair mode on this Noco would be better marketed as a stratification fighter. Seems like the repair mode does a good job of mixing up the electrolyte. I might try this repair mode on the battery in my dad's mustang some time this year just to see if it helps improve the CCA's on a good battery.
I have never use any CTEK products, but thank you for giving me your feed back on it. I'm sure others that read this comment will appreciate it as well. So thank you for that!
As for your AGM battery, I know that my Noco instructions warn that repair mode is not for AGM type batteries. Maybe CTEK is the same, i'm not sure. However, I don't think that zapping an AGM with high voltage will result in anything good.
Yep, pretty much what happened, Repair mode just made the Battery go High Resistance.
I have both CTEK and NOCO smart chargers
They both do the same job, but with one very noticeable difference
The Noco will sense each stage and by-pass it if the battery is charged
The CTEK will go through each step of charging, even if the battery is fully charged.
From that stand point, i'd suggest the Noco is safer or more gentle unit on your batteries than the CTEK unit is.
I use both of them to tender a vast array of Lead Acid batteries i have in motorbikes, cars, camping AGM Deep Cycles and even one Lithium Battery.
I have also emailed both NOCO and CTEK in Sweden regarding output voltages on certain settings, AGM, Calcium, Wet etc...
I have learned, just because there is a setting for AGM, doesn't mean you should use it for an AGM battery.
My AGM batteries have a sticker on them saying Max Charge Voltage is 14.5v
Yet the Noco AGM setting pumps out 14.8volts.
Noco's email response was to use the NORM setting for my AGM batteries
So, do your research on the battery you are dealing with
Look up their charging specs, both Bulk Charge voltage and Float Voltage and Max Voltage...
Then choose a setting that best suits
That's good advice, I didn't know that. Thank you for sharing that information!
Another thing you will notice, is each charger manufacturer is different
Between 3 Smartchargers they will have different voltages for AGM, WET and CALCIUM.....
So who is right?
Or is there simply No Right answer?
I am wanting and waiting for the day a fully programmable smart charger is released, so you can match the profile of the battery
That is kind of funny, isn't it? Seems like the more questions we ask... the more questions we get! That does sound like a really good idea though. A fully programmable charger would be very interesting. I think you are ahead of the curve on that one.
Maybe the battery charger manufactures figure that people have a hard enough time using the fully automatic chargers. So maybe making it fully programmable seems over-the-top to them. I still think there would be a market for a product like that though. I think you are on to something there.
Hello desulter does it have feature?
Orhan: Yes, it does.
Around 10:50 it didn't show it was charged all the way. All the percentage lights were supposed to be off, having a 100% light solid white. Read the manual.
Around 6:10 I literally read the manual on camera... watch the video.
Doesn't that make the fact that you still didn't know how full charge is represented(ONLY 100% light, solid, all others off) kind of worse? I mean I guess its moot since you say you then put it on charge again later and that presumably did bring it up to full, but still.
One of the cells was not bubbling. Do you really think if I left the charger on longer it will start bubbling?
@@fwh79FOXR6 wow, just wow. You may be frustrated, but I am equally frustrated with the replies I have been reading from you. The poster was right. Perhaps reading comprehension would help. The green light goes to SOLID, not flashing when the charge cycle is done. It is still doing the last part of the charging cycle when it is still flashing, which it was CLEARLY doing in the video.
it can take weeks to repair a battery on repair mode, never 4 hours. And yes, the repair mode on the Noco charger works.
Michael Hathaway: So I should just completely disregard the manufacture's instructions and boil out a battery for weeks on end until it is "fixed"? Doesn't sound like a good idea to me. Seems like buying a new battery would provide a much better solution. Two more points to consider... As the battery ages, it's ability to release and store charge, as well as its ability to filter ripple, is lessened. Which is why replacing an old battery can solve all kinds of problems. Also, as a battery ages, it can become increasingly difficult for the alternator to charge. In some cases, it can develop a dead cell, which causes the alternator to work overtime trying to charge the battery. This un-needed stress on the alternator ultimately shortens it's service life.
@@fwh79FOXR6 The charger is up to 16.2 volts @ 1.5 ampere in repair mode. It will not over boil the battery during this time. Just leave the caps on and let it run on the battery.
fyi, I have the genius 26000ma and I use a hydrometer to check specific gravity of the electrolyte before and after.
@@MichaelJHathaway Anytime you charge an SLI battery you are causing a boil and releasing hydrogen gas. That includes when you are driving your vehicle. When you ramp up the voltage from the 14.4 volts that would be provided by an alternator, to 16 plus... you are causing more of a boil and releasing more hydrogen. I think the problem with you and several people in this comment section, is none of you have witnessed a battery exploding into someones face. That event would permanently alter your thoughts on battery charging. So lets think about this... this Noco charger is around $60.00 and a new battery is going to be around $80.00 to $100.00 ... what is not getting bathe in battery acid worth to you? If you are comfortable with saving $40.00 so you can boil a battery for weeks on end and risk an explosion and possibly a fire... go for it. It's not the route I would recommend.
@@MichaelJHathaway That's great... so go make a video about it. You like this charger for repair mode, I don't. I prefer to use AGM batteries that do not require "water checks" and this repair mode can not be used on AGM type batteries. So I only use this charger to maintain a battery, never to "repair" it.
Not all battery can be fix. When a battery has been too far neglected, its impossible... i have batterys that wont charge on my other charger. Use the Noco and it brought it back easily.
Would it still work with regular water?
Yes
You tested the voltage when Noco was charging and this caused it to stop the repair process. I've done the same mistake and wondered what I'm doing wrong.
A voltage test wouldn't be noticed by the Noco. The draw of voltmeters is measured in microamps(1/1000th of a milliamp). There's no way that the Noco is failing because of a draw that tiny. The random fluctuations in the current of a car battery can be over 1 Amp(so at least 10,000x more than a voltmeter would draw).
The current draw tests he did could mess with the Noco, because they actually draw current, but I didn't see him do that while the Noco was connected(they both had clamp connectors).
Why are saying to NOT use this on AGM batteries?
carpballet: The "repair mode" will use over 16 volts to desulfate a conventional (SLI) flooded type battery. Using 16 volts on an AGM type battery, causes damage. This is why some battery chargers have an "AGM" specific charging mode. Which charges at lower voltage levels to prevent damage to an AGM type battery.
@@fwh79FOXR6 Every article regarding NOCO repair mode on AGM batteries says it’s ok. What makes you say otherwise?
@@carpballet The Noco instruction manual I have states that repair mode is for 12-volt lead-acid batteries only. If you want to use repair mode on an AGM type battery... go for it.
@@fwh79FOXR6 I’m pretty sure (internet) AGM is lead acid. Anyway, there’s ton of people doing it, apparently with perfect results. Imna try.
Here is a thought when you charge a battery put it up on wood or table the cold cement will drain the power from the battery in very cold weather, I love my charger i got it hooked up to my motorcycle very cool unit
A common misconception about battery storage is that if it is left on a concrete floor, it will eventually discharge. This was true when battery cases were made of hard rubber about 45 years ago. The moisture from concrete caused the battery to discharge through the case. However, modern battery cases are made of acrylonitrile-butadiene-styrene ABS plastic, which can be stored on concrete indefinitely without any concern for discharge potential. Although, if you prefer to keep your battery on a piece of wood while charging, I don't see anything wrong with that. Gotta do what makes you happy. Thank you for your comment and thank you for watching!
I brought 2 batteries back from the grave, the charger works. Jetski batteries that sat dead for years.
No load test ??? I can have the same voltage with a Lemon...
Did you watch the whole video??? ... probably not.
Here is a map of the video I made for someone else who left an ignorant comment.
Enjoy...
-First load test: 1:43 Result 250 CCA Bad Cell
-Filled all cells with water: 4:10
-Read the instructions on camera: 6:11 Pay attention to that one...
-NOCO literally states that "not all batteries can be recovered": 6:28
-NOCO states to ONLY use on 12V lead acid batteries: 7:16
THAT MEANS NO AGM OR GEL batteries (i'm looking at you people using repair mode on an AGM battery)
-NOCO states that the battery should be completely disconnected from the vehicle to prevent damage to the on board electronics: 7:28
- I tell the viewers that I am going to CHARGE THE BATTERY as stated in the INSTRUCTIONS: 7:45
- First charge: 8:06 3.5 amp setting
- I discover that one cell is not bubbling properly: 9:38
- First charge completed: 10:30 8 hours of total charging (guess I didn't charge it!)
- Load test after first charge 10:54 Results- 404 CCA Bad Cell
- Second charge: 11:46 .9 amp setting
- Second load test: 12:50 Results- 402 CCA Bad Cell
- Repair mode started: 13:54
- Cell still not bubbling during repair mode, green charge light FLASHING: 16:07
- 5 hours of repair time green charge light STEADY: 16:15
- NOCO states repair mode time "can take up to 4 hours to complete" 7:07
It does NOT state that repair mode should be used past 4 hours time.
For everyone stating that I didn't do it long enough. YOU can go do whatever you like. I will not leave this charger on battery unattended for days on end. Anyone who does that, probably doesn't understand what happens when a battery explodes.
- Third load test (post repair mode) 17:35 Results- 410 CCA Bad Cell
- I recommend not buying this charger for repair mode: 19:04
True.
one dude took 3 day and 9 hours but the repair worked
William Miller: Seems like people have mixed results. Didn't work on my battery but that doesn't mean it won't work on other batteries.
You didn't perform the test correctly. It's plainly stated in the instructions.
firstly you did not correctly charge the battery the battery is not charged until the hundred percent light is glowing solid.
Also in the repair mode you leave it in repair mode until it goes back to standby, when you unhooked the repair mode after 5 hours the repair light was still flashing it had not gone through the full cycle of repair.
I recommend trying it again on a different battery and see if you get a different result.
Good luck.
-First load test: 1:43 Result 250 CCA Bad Cell
-Filled all cells with water: 4:10
-Read the instructions on camera: 6:11 Pay attention to that one...
-NOCO literally states that "not all batteries can be recovered": 6:28
-NOCO states to ONLY use on 12V lead acid batteries: 7:16
THAT MEANS NO AGM OR GEL batteries (i'm looking at you people using repair mode on an AGM battery)
-NOCO states that the battery should be completely disconnected from the vehicle to prevent damage to the on board electronics: 7:28
- I tell the viewers that I am going to CHARGE THE BATTERY as stated in the INSTRUCTIONS: 7:45
- First charge: 8:06 3.5 amp setting
- I discover that one cell is not bubbling properly: 9:38
- First charge completed: 10:30 8 hours of total charging (guess I didn't charge it!)
- Load test after first charge 10:54 Results- 404 CCA Bad Cell
- Second charge: 11:46 .9 amp setting
- Second load test: 12:50 Results- 402 CCA Bad Cell
- Repair mode started: 13:54
- Cell still not bubbling during repair mode, green charge light FLASHING: 16:07
- 5 hours of repair time green charge light STEADY: 16:15
- NOCO states repair mode time "can take up to 4 hours to complete" 7:07
It does NOT state that repair mode should be used past 4 hours time.
For everyone stating that I didn't do it long enough. YOU can go do whatever you like. I will not leave this charger on battery unattended for days on end. Anyone who does that, probably doesn't understand what happens when a battery explodes.
- Third load test (post repair mode) 17:35 Results- 410 CCA Bad Cell
- I recommend not buying this charger for repair mode: 19:04
@@fwh79FOXR6 I have this charger and used it on my motorcycle battery. As far as the repair mode it only says the repair mode should be finished in about 4 hours, I didn't see anywhere in the manual where it said do not use past 4 hours. This device is also made to be plugged in a hundred percent of the time 24 hours a day 365 days a week on the proper setting. I'm pretty certain that it also has fail-safes to make sure it doesn't ever "blow up a battery".
@@TSOL_in_LOS The "repair mode" isn't really a repair. It should be labeled as a rebalance mode to reverse stratification. Using a battery maintainer in the first place will help completely avoid needing to use any repair mode. This charger can not "fail safe" any environmental spark from igniting the hydrogen gas that is produced while the repair mode is boiling the battery. Using the repair mode is dangerous, and should not be taken lightly. If you need any evidence of the dangers hydrogen gas can unleash... go watch some Hindenburg crash footage.
@@fwh79FOXR6 fully agree, however if left alone and untouched, no reason for any sparks to occur. luckily my motorcycle battery is a maintenance free sealed battery so no ability for the water to get out, and less chance of vapor release. It took about 6+ hours to charge my dead battery, then an additional 4.5 hours for the repair. that was a week ago and so far the battery has been working perfectly. It's 2.5 years old and original battery that came with my bike.
hi is this 38mhz??
Input voltage AC 110-120 VAC, 50-60Hz
Working voltage AC 85-130 VAC, 50-60Hz
is it portable
Abida Ahmed: Yes
Green blinking is NOT fully charged. Solid green is.
As long as the plates are shorted, nothing can bring the battery back.
Exactly right... no one wants to admit that though. I think the people that thumbs down this video expected little battery repair gnomes to jump out of the noco charger and remanufacture the battery to perfect condition. However, I can't really blame them because that is how the charger is marketed. Noco really shouldn't call it "repair" mode. It seems like a good way to correct stratification... but it does nothing to repair a shorted battery. Thank you for leaving an intelligent comment.
can you use repair mode on the vehicle?
Yes you can. However, you need to completely disconnect the battery before using it.
Has anyone done a specific gravity reading before and after the process? That is the "acid test" . . . pun intended.
There is another video where the guy does exactly that.
one guy on here had it work, but yours did not
Well I'm sure every battery is different and results will vary.
Has anyone had luck "repairing" smaller 12 volt sealed lead acid batteries? !2 volt, 3 Amp type? The G3500 says it will do it. The little red repair mode light is flashing. I will report my experiences here. I have 3 that are weak. So I get to do a real experiment here.
Too bad you didn't fully charge or use the repair mode properly. Sorry, but I can't accept your test to be a valid and honest test. Not to say you weren't trying to present a fair demonstration. Just lost 20 minutes of my time.
Well, perhaps you should pay attention. I explained how I fully charged the battery and then let it sit over night to relax. You don't think the test is valid... great. Good for you. I also tested this repair mode on a good battery. It actually lost CCA. So think whatever you want. The repair mode has not worked for me yet. That's a fact. I find it funny how everyone watches this, does not pay attention, and then tells me how I did it wrong. Or they tell me I should have left it on repair mode for 5 more days. I don't exactly like the idea of a battery gassing out in my garage for days on end... but that's just me. The fact of the matter is, if you need a new battery, just go buy one. The cost of this charger does not make it worth purchasing to save a battery that more than likely needs to be replaced. It does a great job of charging and maintaining but repair mode has not been a selling point for me. As for making better use of you time Bob. I noticed that you have a TH-cam channel. So how about this... why don't YOU buy this charger and post your own test video. Pull that phone out of your pants and make better use of your time. I see you have zero subs... so today is your big day buddy. I just subbed your channel. Now go make your video that is way better than mine. I'm expecting some amazing content out of you.
Didn't fully charge? How about I charged it TWICE!
-First load test: --1:43-- Result- 250 CCA Bad Cell
-Filled all cells with water: 4:10
-Read the instructions on camera: 6:11 Pay attention to that one...
-NOCO literally states that "not all batteries can be recovered": 6:28
-NOCO states to ONLY use on 12V lead acid batteries: 7:16
THAT MEANS NO AGM OR GEL batteries (i'm looking at you people using repair mode on an AGM battery)
-NOCO states that the battery should be completely disconnected from the vehicle to prevent damage to the on board electronics: 7:28
- I tell the viewers that I am going to CHARGE THE BATTERY as stated in the INSTRUCTIONS: 7:45
- First charge: 8:06 3.5 amp setting
- I discover that one cell is not bubbling properly: 9:38
- First charge completed: 10:30 8 hours of total charging (guess I didn't charge it!)
- Load test after first charge 10:54 Results- 404 CCA Bad Cell
- Second charge: 11:46 .9 amp setting
- Second load test: 12:50 Results- 402 CCA Bad Cell
- Repair mode started: 13:54
- Cell still not bubbling during repair mode, green charge light FLASHING: 16:07
- 5 hours of repair time green charge light STEADY: 16:15
- NOCO states repair mode time "can take up to 4 hours to complete" 7:07
It does NOT state that repair mode should be used past 4 hours time.
For everyone stating that I didn't do it long enough. YOU can go do whatever you like. I will not leave this charger on battery unattended for days on end. Anyone who does that, probably doesn't understand what happens when a battery explodes.
- Third load test (post repair mode) 17:35 Results- 410 CCA Bad Cell
- I recommend not buying this charger for repair mode: 19:04
So Bob... I will admit that the standby light was not illuminated when I disconnected the battery. However, the battery was repaired for 5 hours which is 1 hour longer than stated in the instructions. So if you are upset about that, I don't know what to tell you. If you would like to leave a battery on repair mode for days on end... go for it! I won't be doing that. I have another video I did testing this charger on a good battery.
Watch that here: th-cam.com/video/SRuLAd2xbFs/w-d-xo.html By the way, this time the standby mode light came on. Made a HUGE difference.
The fact is, charging the battery restored more CCA than repair mode did, by a long shot. Battery is still low on CCA and I would not put it into anyone's car. As for the "20 minutes of your time" ... did you really spend 20 minutes watching this video??? Cause I personally find that really hard to believe. I would say you spent 40 seconds clicking through it. That seems to be your comprehension level any ways.
But hey... you can make your own test video. Show me how it's done. I hit the bell so I will be notified to second your amazing NOCO repair mode test video drops.
It tells u when it's done. I had a battery take 3 days
Did it fix your battery?
My repair mode took 2days.... i believe u never even gave the Noco a chance
You really sure about it? In the manual it says it will do it up to 4 hours. You do it for 2 days I believe you are killing the battery.
@@chrischan001 4hrs didnt work, kept same status as if it was just connected..... kept on for almost 2days until it was indicating it was ready. Battery has been chargeable afterwards, now currently in my daily driven with no problems. Im sure im not the only one who has done over the manual recomended instructions.. just read the comments
@@mryang3644 Thanks for the reply. I tried it for 4 hours and as soon as I heard the gassing I knew it was losing water as a result.
I didn't have the gut to do it for 24 or 48 hours, because I have a maintenance free battery which I could not add the water back.
Might be selling the car in a year, so not too worry :-)
@@chrischan001 just remember, the charger will heat up, prefer to do over night or in cooler temp when hooked up. Good luck.
@@mryang3644 Thanks. Just saw another video on using a long time to recover a battery:
th-cam.com/video/I2K__XnajnY/w-d-xo.html
I tried on an RV battery and same: nogo.
James Cohn: Seems like there are mixed results with repair mode. Some batteries are fixed by it... some, are not fixed at all.
12 volts but bad cell ... most not be that bad. unless im missing something
You are missing something. Voltage is not an accurate measure of battery health or capacitance. It is not uncommon for a bad battery to display adequate voltage yet, at the same time, fail to provide sufficient amperage. I have personally come across several automotive batteries that read over 12.4 volts and still would not be able to crank the engine. This is why the newer digital load testers that display real time CCA are more accurate than the old school carbon pile load testers.
if it had a bad cell it wouldn't be 12+ volts 10.2-5 v those battery chargers are shit i have three several destroyed AGM batts good luck
Repair mode can't fix a bad cell bruh.
Clearly not.
How do we know that you actually put the safty glasses on ? You say it, but there is no proof. Hmmmm...:)
Hahahaha! Your just gonna have to trust me =) You know what's funny about that... every shop I have worked at, people always comment about how I am the poster boy for safety. I always wears safety glasses, ear plugs, and my paint mask.
But in all seriousness, you should really protect your eyes when you are working on a battery. There is a reason why most batteries have a pic of a battery exploding into someones face. It can be dangerous, and no one wants to be blind. So it is worth taking the time to put them on.
ohh my good he think that charger can repair car battery with bad cell. no way if one of cells is not bubbling you can get it throw away. It can only desulphate some batteries. You can buy an aerometer that show how much acid is in the battery. It should be 1.24..1.28 mg/ml if 5 cells are 1.24-1.28 and one is 1.10-1.14 the battery is bad and nothing can restore it. Im selling over 1000 car batteries per year. I know im talking