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Unread 31-01-2011, 14:42
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Re: Tetrix Battery Holder vs. NiMH

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Originally Posted by PhilBot View Post
I went back to my notes and found that the problem with the batteries wasn't melting, but leaking on the higher charge rate (they did get pretty hot).

The red insulating paper at the end of some batteries were darkenning up due to internal leakage. I reported this and they were replaced, with the recomendation to use the lower charging rate.

The original battery packs had clear heat-shrink, so you could see this problem.

The newer ones now have black heat-shrink....
Unfortunately this masks any potential problem indicator

Phil.
I can second the problem with the older batteries. We had the same problem with leakage. The new batteries are harder to tell if this has been fixed. I'm not sure which was shipped from FIRST choice.
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Unread 01-02-2011, 00:40
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Re: Tetrix Battery Holder vs. NiMH

The batteries with warning labels and black heatshrinks are shipped from FIRST choice, I seen then in the FIRST Choice PDF. These are the same batteries that have started shipping in fall 2010 for FTC.
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