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How do I open the zippy 4000mah hardcase packs

How do I open the zippy 4000mah hardcase packs

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Old 03-08-2010, 02:04 PM
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after doing some research, it seems the EVX-2 in my emaxx was somewhat notorious for killing batteries and most people reported it melting wires and such. so it sounds like my lipos were properly built (the soldering does look pretty good) and traxxas is to blame for a crappy esc.

from what I can see, im going to have to remove the one cell from the solder board, somehow lengthen the fried tab (pretty sure it sticks out enough), then resolder both tabs back in their appropriate location........wish me luck
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Old 03-09-2010, 09:54 AM
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hot sh!t! it worked! took the skin off, and found a broken solder connection...soldered it back together and now it chargers, balances no problem. if anyone wants to i can post a pic later
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Old 03-09-2010, 05:50 PM
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Post some pic(s). That would help others looking at similar probs.

Glad you got it fixed!
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Old 03-09-2010, 06:52 PM
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cutting into anything lipo is some pretty risky biz
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