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#1
11-26-2006, 03:17 PM
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Issues with Wal-Mart branded batteries?
I had a "Super Crank" battery in my Jeep for ~6 months. I just returned it today for spewing acid out of the vent holes. Hopefully, I washed all the acid off of the inside of the engine bay. Has anyone else experienced similar issues with these batteries? I even thought it was cheap when I first bought it (not even a carrying handle??) but whatever. They exchanged it with an Energizer for free (since they didn't carry the Super Crank ones anymore).
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#2
11-26-2006, 03:39 PM
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I had a cheap battery explode in our van one time. Luckily the hood was closed. I now spend a few bucks more for Interstate.
__________________
1985 380SE Blue/Blue - 230,000 miles 2012 Subaru Forester 5-speed 2005 Toyota Sienna 2004 Chrysler Sebring convertible 1999 Toyota Tacoma
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#3
11-26-2006, 03:41 PM
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A hyperactive voltage regulator can cause this sort of thing.
Just to be on the safe side, you might want to check the output voltage on the alternator.
__________________
It is a truism that almost any sect, cult, or religion will legislate its creed into law if it acquires the political power to do so. Robert A. Heinlein 09 Jetta TDI 1985 300D
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#4
11-26-2006, 03:59 PM
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Larry: My voltage meter in the Jeep never goes above 14. I suppose perhaps I should check any component that may be suspect with that many miles on it, but the battery was also hard to start on cold mornings (VERY low cranking) - led me to believe the battery itself was the cause.
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#5
11-26-2006, 07:18 PM
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A battery does not on its own, spill acid out the vent holes unless its been overfilled or the case is leaking (cracked) Acid loss is usually uncontrolled voltage or amperage caused by a faulty Alternator or voltage regulator. In rare cases a cell can be shorted within the battery and that could cause an extended high charging rate from the alternator to compensate for the cell. Now that you've replaced the battery, you will know soon enough if it was the prior battery or a charging issue.
__________________
81 300CD (sold) 1972 280 SEL 4.5 (sold) 1966 250 S 4 spd (sold) 1974 450 SL (sold) 86 BMW 325ES (sold), 1973 280C (sold) 1988 300 SE.
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#6
11-26-2006, 07:32 PM
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The morning I noticed it, the battery barely had enough power to crank the Jeep over. Once I got to work, went to check the oil and that's when I noticed it spewing acid out. I am surely going to check my charging system, but I still suspect the battery more than anything.
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