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Old Nov 20, 2005, 04:16 PM
Leave me alone!
Martin Hunter's Avatar
Kamloops, BC, Canada
Joined Feb 2002
15,106 Posts
One of these cells is not like the other...

(sung in the Sesame Street song sound, of course)

Anyway, I have three identical 2s packs of Tanic 2200s. The thing is, earlier this year one of them puffed up on me. No problem. I put it aside and used the other two. Now, I go to use them and of course the puffed one has gone back down to normal size and I can't tell them apart. How do I tell which pack was the puffed one? I realize I should have marked it but didn't. Will cell voltage tell me?


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Old Nov 20, 2005, 08:31 PM
Eye Drather Beef Lying
ElectRick's Avatar
Jacksonville, FL
Joined Aug 2002
2,696 Posts
Are there any stretch marks on either of them?

They give women away who have suffered 'puffing up' and going back to normal every time.

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Old Nov 20, 2005, 08:51 PM
Registered User
vintage1's Avatar
East Anglia, UK
Joined Sep 2002
29,707 Posts
if the pack has suffered a genuine pregnancy, its capacity and its internal resistance will be lower and higher.

The one that sags under use the most will be the duff one.
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Old Nov 21, 2005, 07:40 AM
Use the 4S Luke
feathermerchant's Avatar
USA, TX, Euless
Joined Aug 2003
9,348 Posts
Is there a baby Tanic? Just ask it which one is its mother.
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Old Nov 21, 2005, 09:16 AM
Glow Free Since Aug, 2005
tommy321's Avatar
Ottawa, Ontario, Canada
Joined Aug 2004
1,258 Posts
Originally Posted by feathermerchant
Is there a baby Tanic? Just ask it which one is its mother.
If only batteries multiplied that way... this would be a cheaper hobby...

Although...I do only put female plugs on my batteries... maybe that's limiting the hanky panky after hours in the field box.

Doh!... one humorous post, and the whole thread goes Off Topic.

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Old Nov 21, 2005, 01:43 PM
Permanently Banned
San Jose Ca / RSA flyer
Joined May 2003
8,030 Posts
Check the Discharge Capacity

of suspected bad cell thru the JST taps using whattmeter or AF 109
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