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Best way to kill a car battery?

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Old 03-21-2008, 04:45 PM   #1
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Default Best way to kill a car battery?

The battery on my '99 just barely made it through the winter. I think it's about 5 years old which is way longer than I usually get.

I've tried trickle charging it, but it's still weak, and my voltmeter shows plenty of volts when the car is running so it's nothing wrong with my charging system. I'm just worried it's going to get me stuck some day, if I don't happen to park on a downhill.

I think it's an 84-month warranty on the DieHard (Gold or whatever) that I got. But Sears won't warranty a battery unless it absolutely won't hold a charge; mine holds a charge, just not a particularly strong one -- and it seems to be getting weaker.

I remember a friend years ago would cut up pennies and drop them in the water holes, which supposedly would kill a battery, but I'm not really looking to defraud Sears.

Any ideas on how to kill my battery (without a trace) so i can get it replaced under warranty?
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Old 03-21-2008, 04:46 PM   #2
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Pull it out and sit it on a concrete floor (garage, driveway) for a week
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Old 03-21-2008, 05:25 PM   #3
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Originally Posted by oneBADDz View Post
Pull it out and sit it on a concrete floor (garage, driveway) for a week
Does that actually work? What about if I still want to drive the car at least every other day in the meantime? Any quicker way to do it?
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Old 03-21-2008, 05:27 PM   #4
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Is it sealed or vented? Turn it upside down in a large tupperware container for awhile.

Claim you don't know what happened.
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Old 03-21-2008, 05:43 PM   #5
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Replace the acid/water mix(assuming its vented) with regular water until the battery runs out.

Not sure if it works, but its worth a try.
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Old 03-21-2008, 06:58 PM   #6
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just buy a new battery in the meantime, do what these guys suggest and drain it, turn it in, get your money. only problem is you'll be out the money for a new battery for a short time.
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Old 03-21-2008, 08:36 PM   #7
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Hook it up to very low current draw, like a small light bulb and let it burn for as long as it can. When your battery can't put out .1 amps to keep it lit, then leave it connected for another week. You can bet it has probably blown its wad. I don't know for sure, but I'd expect it not to accept much of a charge after that. Good luck.
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Old 03-21-2008, 09:13 PM   #8
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A guy that used to do my job at work tried soldering multiple batteries togeather. They exploded, lol. This was with 3.2 volt batteries.
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Old 03-21-2008, 09:15 PM   #9
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A guy that used to do my job at work tried soldering multiple batteries togeather. They exploded, lol. This was with 3.2 volt batteries.
I would like to hear that story....what a genius.
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Old 03-21-2008, 09:34 PM   #10
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I would like to hear that story....what a genius.
I didnt work here at the time so its just from what Ive been told from people that did.

He was bored(pretty common for my job) so he thought about soldering two batteries together. They are 3.2 volt batteries that are in the mother boards of our computers. I guess he tried soldering two together. I dont know if he did it negative to negative or positive to positive or negative to positive. But I guess the result was exploding batteries. All of the internals and externals of the battery went to the ceilleing (probably 12 foot or so) and are still there and all the mariteral went all over this guys glasses. The stuff on the ceileing is still there so I believe the story.

Thats what I heard from the person that did it and people that worked in my department at the time.
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Old 03-21-2008, 09:37 PM   #11
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Thats funny! I wish I could have seen the look on his face....
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Old 03-21-2008, 09:38 PM   #12
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Thats funny! I wish I could have seen the look on his face....
Me too....
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Old 03-21-2008, 10:07 PM   #13
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What a story hahaha... the concrete thing, don't think it works. I had a die hard on the floor in my garage over 2 years (pulled from my old LT1 before I sold it for whatever reason... still not sure). It presently resides in my Formula and it's been rock solid. -J
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Old 03-21-2008, 10:35 PM   #14
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Shoot it with a 30-30. I bet that'll kill it.
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Old 03-21-2008, 10:58 PM   #15
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hook it up to a 800W amp, killed mine pretty quickly.

I've heard of cement too just put it on your garage floor.
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Old 03-21-2008, 11:37 PM   #16
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And now a suggestion from the bad idea department...

Three words: Twenty. Pound. Sledgehammer.
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Old 03-22-2008, 12:40 AM   #17
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Find a friend with at least 1000w worth of sound equipment, hook it up, and turn it on accessory. It should be dead in ~3-4 hours. put it on a fairly rapid charge, and repeat. 3 cycles and it should be as worthless as a 305 short block.
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Old 03-22-2008, 12:43 AM   #18
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throw it in the fireplace if its still cold there.
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Old 03-22-2008, 12:44 AM   #19
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I had a battery that wouldnt hold a charge for over a day and I took it to get replaced and they charged it and said it was fine and wouldnt replace it.. so I drained the battery and put water in it and took it to another of the same chain store. W00t...
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Old 03-22-2008, 08:54 AM   #20
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get an inverter and plug everything you can into it. Kill it and let it sit... return the inverter
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