DIY battery desulfator - Fuelly Forums

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Old 02-08-2009, 04:37 AM   #1
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DIY battery desulfator

http://www.instructables.com/id/Desu..._an_Altoids_Ti
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Old 06-08-2009, 04:16 PM   #2
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Bump.

More battery talk in this thread:
http://www.gassavers.org/showthread.php?t=4809

Has anyone built a successful desulfator with free plans and cheap parts? I haven't tried, but I'd like to hear if anyone here has.
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Old 07-05-2009, 07:30 PM   #3
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Another DIY desulfator that I'll probably never get around to building...
http://hackaday.com/2009/07/05/battery-desulfator
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Old 07-11-2009, 06:24 AM   #4
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Quote:
Originally Posted by theholycow View Post
Bump.

More battery talk in this thread:
http://www.gassavers.org/showthread.php?t=4809

Has anyone built a successful desulfator with free plans and cheap parts? I haven't tried, but I'd like to hear if anyone here has.
This my own design. Plans are $15, but parts are probably the cheapest of any design. Just one IC and one transistor.
http://www.flapdoodledinghy.com/desulfator.html
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Old 07-11-2009, 07:18 AM   #5
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Since it doesn't get driven much I've been tempted to put a deep cycle battery in the Buick... The battery in the car is only a year old, and I have to jump start the car every day I want to drive it.
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Old 07-11-2009, 07:38 AM   #6
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The first one is the sweet one. it just uses a 555 timer and a FET.
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Old 07-11-2009, 08:34 AM   #7
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I put a deep cycle in my Buick, because it was the only battery I had around. It's probably not a true deep cycle, it's just a cheap WalMart battery marked "deep cycle" and I've heard that those are no different from common starting batteries...

Maybe if I build a desulfator I'll restore one of my old batteries to usable condition.
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Old 07-13-2009, 10:48 AM   #8
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There's a tid-bit in my text book that says to fully discharge a battery by connecting a light bulb or similar. and then fully recharge. and repeat a couple times will desulfate a battery.

also that epson salt will bring a battery back to life.
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Old 07-13-2009, 03:28 PM   #9
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Tough to recharge a sulfated battery with "smart" chargers. I guess the only people who really think those are smart are the people who sell new batteries.
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Old 07-14-2009, 02:29 PM   #10
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Tough to recharge a sulfated battery with "smart" chargers. I guess the only people who really think those are smart are the people who sell new batteries.

who said anything about a smart charger? I have a sch****** something charger from schucks that works great. No problem charging a battery at any state of charge.
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