[AT] AT -Battery desulfator

[Mike M]

James,
Most auto part stores have battery testers that will load test a 
battery, they do it for free.

Mike M


On 3/10/2019 2:36 PM, James Peck wrote:
> I am interested in how you go about testing batteries for shorted cells.
>
> https://batteryuniversity.com/learn/article/difficulties_with_testing_batteries
>
> [Spencer Yost] Schumacher makes a desulfanator/charger that has saved several batteries. It actually was a gift to my son about 20 years ago (I love giving gifts that I can borrow :-) ). But when he moved to Raleigh it went with him so I don’t have it nearby to look at model numbers or anything.  I remember the price being on the high-end of the Schumacher line. A quick search of current models does not turn up anything that is exactly like the one I bought.
>
>
> [Richard Walker] I have half a dozen old 12V vehicle batteries that check out good for not having any shorted cells, but fail a load test right after charging.  And I use a 50-year-old Schumacher charger that will charge completely dead batteries, unlike the modern electronic "smart" chargers that won't turn on if hooked to a totally discharged battery.   My results with cheap "desulfators" have been mostly unsuccessful. From their personal experience, does anybody have a make and model recommendation for a good battery desulfator?  Not necessarily a maintainer, but something more robust that will revive a battery in bad shape in a few days or a week.
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