Lead Acid Battery Desulfation Using Epsom Salt -Attempting to use Capacitive Charger Part 6 of 6



Using Epsom Salt (Magnesium Sulfate) to Desulfate a Lead Acid Battery that has a dead cell.

Table of contents:
Part 1: Initial addition of the chemicals http://youtu.be/vqfaziZE1XM
Part 2: Adding Solution to Dead Interstate Megatron battery http://youtu.be/lFEnErs68XM
Part 3: First Tests after Charging http://youtu.be/W_vpvjRIsHU
Part 4: After Overnight Full Charge + Demoing Capacitive Desulfating Charger http://youtu.be/OF6obbSSUws
Part 5: Using one of our custom built Capacitive Chargers to Pulse Desulfate Further. http://youtu.be/IlKaz3iv168
Part 6: Interstate Battery after 1 week on Desulfating Charger + Solution http://youtu.be/WCAG2oJffvY

Build it Yourself Recommended Parts List!
Capacitor: https://amzn.to/2CiqcQy
Rectifier: https://amzn.to/2ERVNsQ
12 Hr Timer: https://amzn.to/2T0wbyK
Multimeter/Volt Meter: https://amzn.to/2XQEaCk
Extension Cord: https://amzn.to/2EWZwW5

To purchase a Capacitive Battery Charger, Please visit our eBay Auction: https://rover.ebay.com/rover/1/711-53200-19255-0/1?icep_id=114&ipn=icep&toolid=20004&campid=5338004351&mpre=http%3A%2F%2Fwww.ebay.com%2Fitm%2F230728215960%3FssPageName%3DSTRK%3AMESELX%3AIT%26_trksid%3Dp3984.m1558.l2649

K-Man Scooters & Electric Cars
http://KmanScooters.com
http://MidwestScooterParts.com

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  • I contacted you earlier and would now be looking at building several of your chargers. I am looking at golf carts and forklift batteries as well as car, and mobility scooters. can you give me what I need for these chargers and can I buy the bridge rectifiers and capacitors in the sizes I need for the above batteries? Could you build a unit for golf carts fairly soon as I would be interested in one shipment of the above? Can I contact you, I have your phone number can I call you about this?

  • Interesting … I think I would drain the battery acid, flush with water to get out any precipitate in the cell compartments, refill with the original acid, top off with epson super-concentrate, desulphate long term, drain, flush again, and then refill with fresh battery acid, and slow charge, Typically cells are shorted either by sludge at the bottom or crystal growth penetrating the insulating mats. Modern battery are made with interleaved lead mesh and porous insulation … not lead grills/grates of the past eras. 'jes sain'

  • 1- Those reading are in milli-ohms not ohms. That small m stands for milli (1/1000 ohm)
    2- That charger you make (made), is very dangerous. There is no isolation from a transformer and no current limiting. There are no pulses, as the capacitor smooths out the 120 Hz, into a DC. It's called an unregulated power supply.
    3- Your dry cough is concerning. If you are a smoker, stop immediately. If you're not a smoker, see you doctor ASAP.
    I caution the viewers not to use this type of a charger, as there is a good chance, the battery will explode when under charge, sooner or later.

  • Can you just remanufacture these batteries? Is that difficult? Just saying that a lot of guys melt lead for bullet castings, how hard would it be to pour new plates, insert them and be done? Would you have to use fresh lead, or will the sulfite just float off when melted? Even fresh lead could be gotten for about $1 / pound.

  • Even at Min wage you wasted more man hours than going out and buying three new batteries. Note to all – battey fails, go to Costco and buy a new one for $100.00 rather than muck around for two weeks of your time

  • On that Alum issue, you can't add alum to sulfuric acid typical of a car battery.  It will react violently.  Converting a battery to alum requires completely flushing the battery using diluted sodium bicarbonate to neutralize the battery acid and is very dangerous,.

  • This is very interesting but watched the whole series of videos and not sure this 'Epsom salt' method works.   One problem is that you're not actually flushing the cells, your just adding Epsom salt. I'm thinking that you need a syringe type of thing to drain the cells and refill them to clean out the gunk floating in the electrolyte.  I can understand not turning the battery upside down to drain it as that could stir up a lot of lead and other metals that could lead to further unnecessary damage.

  • Good video series.  I noticed in your Part 3, when putting powdered Epsom Salts into the battery, that you only put a bit into the 'shorted' cell.  I think you'd do better to put MORE Epsom Salt in the shorted cell.

  • Ok… This guy is a world class dumb ass….Want to get your battery working as it should? Take your credit card to NAPA and buy a new battery. Why waste hours fucking around with something that does'nt work???HMMM?

  • Have you played with baking soda and alum?? Drain the battery, add 8 ozs of baking soda & mix w/a gallon of distilled H20, fill and let it sit till the reaction stops, shake around the battery, drain it, add 8 ozs of alum to a gallon of distilled H20, charge and check. Maybe the 2 processes can be blended somehow? (not my idea BTW).

  • Have you tried taping or knocking on the wider part of a battery while testing or charging and probably improve reading ? ( be surprise sometime ). I screwed around a lot with the same project battery only to end up to deceiving result.

  • How much space is there between plates? If there is room to slide some stiff plastic in between the plates you might get lucky and bump a shorting bridge around – maybe even loose!

  • At the end he says that his theory is that is does work, as long as the battery isn't too damaged already. Good info in this series. At the very least, you can use them to arc weld if you don't feel like buying a machine for it xD.

  • Fuck me dead you should have told me in the first video that it did not work. I would rather ave sent you the money to buy a new battery. But on the other and you have helped me as you have demonstrated Epsom salts does not 'really' work. Just change your title and it is a good myth buster video on the topic. Regards

  • Hi Kman . hope you recovered from your cold faster than some of the batteries did from sulfation. Many thanks for that very instructive video, it was a real pleasure watching it. kkep posting your experiences, many thanks.

  • Compliments are nice, money is better ;o)

    I'd like to buy one of your capacitating chargers, I had a look on your site & MWscoots – am I just being dim?

    Give me a (broken?) link & I'll come along with dollars.

    ATB – Yooch from uCHOOZE.com

  • This is -the- best series on recovering 12v batteries on YouTube, period. I know there are some (minor) areas that aren't in it – SLA alarm-type cells are easy, but also identical, just smaller. Some cheapy methods for charging too, the detail in this is Great. Very clear, easy to watch, TONNES of detail, really hands-on LOVE IT.

    Thanks Kman, Yooch from uCHOOZE.com

  • That truly is a very nice tester for the price. I compared the voltage readings with a Fluke, though, and found that the displayed voltage was off by around 0,2V. I opened the case and adjusted the trimpot next to the IC. Counterclockwise raises the voltage and vice-versa. Now It's bang on. Calibration should be done with a healthy battery, otherwise the voltage will swing like crazy and you can't get a stable reading.

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