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Do bad batteries bounce more?


 
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fixerupper
Tractor Guru


Joined: 12 Oct 2003
Posts: 9224
Location: Albert City Iowa

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PostPosted: Fri Aug 23, 2013 7:14 pm    Post subject: Do bad batteries bounce more? Reply to specific post Reply with quote

This is so funky I didn't know what to put in the subject line. Anyway, I received an email forward telling me a tired dry cell battery, in this case it's a AA size, will bounce a few times when dropped on it's bottom end and a fully charged one will land with a thud without bouncing. I've never heard of this. Maybe a bunch of you guys have, but not me.

So I tried it a few minutes ago. The two Duracell AA's alkys in my electric toothbrush died so I took them out, held them 2" above the desk and dropped them on their bottom ends one by one. Both of them bounced two or three times before coming to rest. Then I took two fresh Duracell AA's and dropped them the same way. The new ones lit with a thud and just fell over without bouncing. I did this over and again with the same results.

I know what the inside of a battery looks like but I'm not a chemist in any way. So what kind of an explanation can you experts give us? Density is probably at play here right? Jim
 
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DeltaRed
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Joined: 25 Feb 2010
Posts: 9813
Location: Delta,colorado

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PostPosted: Fri Aug 23, 2013 7:30 pm    Post subject: Re: Do bad batteries bounce more? Reply to specific post Reply with quote

Cool!I'd never heard that either...I will have to
try it!
 
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Gambles
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Joined: 25 Mar 2012
Posts: 832


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PostPosted: Fri Aug 23, 2013 7:52 pm    Post subject: Re: Do bad batteries bounce more? Reply to specific post Reply with quote

I got an email with this in it several days ago that had a YouTube link that showed this. I will admit that I've never tried it though.
 
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RalphWD45
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Joined: 05 Jan 2008
Posts: 1130
Location: Roy, Wa.

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PostPosted: Fri Aug 23, 2013 8:49 pm    Post subject: Re: Do bad batteries bounce more? Reply to specific post Reply with quote

Hey Fixerupper! it works! I just couldn't resist trying it! The wife told me if I couldn't hold on to those batteries, to just leave them alone! Too much noise coming from the kitchen! I explained what I was trying to do, and she just shook her head and remarked that she hoped that the YT guys, didn't tell me that skunks were good to eat! New AA batteries hit the counter and fell over without bouncing. Used batteries bounced considerably. NOW! How many of you guys had to try it to see for yourselves? OH BY THE WAY Energiser batteries took off down the hallway, beating on a little drum.
 
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Robert Major
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Joined: 02 Jun 2008
Posts: 943
Location: Manitoba , Canada

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PostPosted: Fri Aug 23, 2013 9:05 pm    Post subject: Re: Do bad batteries bounce more? Reply to specific post Reply with quote

Hey Ralphwd45

Skunks are good to eat L.O.L. I bet the Clampets on Red neck vacation, or Si & Phil Robertson on Duck dynasty have tried!
Sorry for the O.T Post somebody needed to say it.!
Regards Robert
 
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Thomas(AB)
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Joined: 30 Mar 2012
Posts: 135
Location: Fort Saskatchewan AB

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PostPosted: Fri Aug 23, 2013 10:30 pm    Post subject: Re: Do bad batteries bounce more? Reply to specific post Reply with quote

Live Battery went Thunk! waiting for the flashlight battery to finish dying then shall give that a try.
 
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Bruce from Can.
Tractor Expert


Joined: 09 Jul 2009
Posts: 1814


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PostPosted: Sat Aug 24, 2013 2:19 am    Post subject: Re: Do bad batteries bounce more? Reply to specific post Reply with quote

I got the e-mail about 2 weeks ago, and tried it. And it worked,no idea why. Bruce
 
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Davis SC
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PostPosted: Sat Aug 24, 2013 2:39 am    Post subject: Re: Do bad batteries bounce more? Reply to specific post Reply with quote

But the jolt of falling, May kill the good ones...
 
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Tech 7
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Joined: 22 Jan 2005
Posts: 927


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PostPosted: Sat Aug 24, 2013 5:18 am    Post subject: Re: Do bad batteries bounce more? Reply to specific post Reply with quote

Wow a Specific Gravity test for dry batteries!
 
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Dr. Walt
Tractor Expert


Joined: 06 Sep 2012
Posts: 2052
Location: Pahrump, Nevada

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PostPosted: Sat Aug 24, 2013 9:08 am    Post subject: Re: Do bad batteries bounce more? Reply to specific post Reply with quote

Just read the post(s), unbelievable, dangdest thing I've ever seen, couldn't resist trying it for myself.

I think "Tech 7" has it right.

Doc
 
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farmerjohn
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Joined: 31 Jan 2001
Posts: 849


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PostPosted: Sat Aug 24, 2013 5:41 pm    Post subject: Re: Do bad batteries bounce more? Reply to specific post Reply with quote

I just got the email too. Here is the link.
How to test a battery.

 
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