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Old 11-11-2007, 11:59 AM   #16
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Sorry guys i was thinking the charger not the tray
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Old 11-11-2007, 12:26 PM   #17
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i think you can find several threads about waking up ib 4200s , boom ,ray
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Old 11-11-2007, 06:34 PM   #18
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Yeah... charge them outside in a ammo box... if there is no boom then the next step is to see how many cells are still good.

These cells tend to go bad after being stored for months without use.
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Old 11-12-2007, 07:10 PM   #19
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Originally Posted by AdrianM View Post
They were talking discharge....but yeah 10A charge for IB4200's is dangerous
yea, i charged mine at 8a on a daily basis

not xactly the smartest thing 2 do!!

lucky they didnt go boom...instead they went.....dead!
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Old 11-13-2007, 06:27 AM   #20
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actually I have had really good results waking up 4200's by taking them all the way down in a tray and dead shorting them. They might fals peak once in a while, but you will see the cells come up. All of my new packs have been deadshorted since I got them, and they are better now than they were when I bought them.

I usually use a piece of solder or a piece of wire to short them with.

also you need a tray that will take them all the way down to 0v per cell

I use a integy 030
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