Battery HOT.. bad soders? - RCCanada - Canada Radio Controlled Hobby Forum
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Old 03-14-2010, 12:19 AM   #1
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Battery HOT.. bad soders?

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Hey guys,

the two "Powercells" i have currently don't fit the stampede ( 7 cell non humpback ).

so i decided to remove the end cell and use wires to turn it into a humpback which went well. However when i charged it, it seemed to charge normal however the pack got really HOT.. Used my temp gun and it read 148degrees.

The only thing i can think of is because i only used 18 gauge wire??? Should I have used something like a 12? I don't have it but will pick some up tomorrow if need be and re soder it.

Thanks for any advice guys!
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Old 03-14-2010, 06:34 AM   #2
Dave Henry
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The thinner wire would not cause anyheat buildup during charging but it will slightly restrict power when running. 12-14 guage would be more appropriate.
Regarding the heat when charging,what rate did you charge at? Was the temp higher than it was before you moved the cells? Are you sure you did not accidentaly mix up the two cells between the packs? If the packs had a different amount of charge and you accidently mixed up which cell went with which pack that could cause some issues. Just in case,double check that you have the cells installed with the correct polarity. Did you run the truck after the battery swap?
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Old 03-14-2010, 11:41 AM   #3
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I have not run the turck, i picked up some 12 gauge muliti strain wire which i will change out with before i do anything, Honesty i never noticed the temps before but i am going to charge the other pack and see what temps i get from it before i tear it down.

I am charging at whatever the charger selects, I think it was charging around 3.8amps
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