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Old 02-01-2005, 01:29 AM   #1
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Default CDC charger overheating batteries

I've been using an Eagle racing CDC ver 6.0 charger and thought it was great.
I try to peak my batteries so the batt temp is approx 125 - 130, sometimes this may mean a peak of 3 or even up to 8 if it is cold outside.

I always use a battery tray to even the cells after discharging at 20 amps with charger

The last month or so I have had the peak turned down to 3 (lowest it goes), but it over heats my batteries with out cutting out, I have to sit and watch them when they get near to their full limit with my temp gun.

It does not appear to be as much as a problem when using the boosting cycle, just the normal peak cycle

Does this sound like a charger problem or a battery problem, I was using fukuyama matched packs and fear I may be damaging them

Any help appreciated

Mick
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Old 02-01-2005, 02:32 AM   #2
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check out my postings:
http://www.rctech.net/forum/showthre...&pagenumber=14

somewhere on the top. What i'd do if i were you is to just disconnect the pack when you get 50C on the cell.
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Old 02-01-2005, 03:32 PM   #3
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Thanks for the link.

So It looks like a charger problem, but normal for the CDC

It just appears to be too hot for what the matchers recommend

135f= 57.2 celcius which is what I have read is ideal but mine are going in excess of 145f (62.7)



I could be wrong, but I don't think I should have to sit and watch my temps, with a charger of this quality

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Old 02-01-2005, 03:34 PM   #4
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Quote:
I could be wrong, but I don't think I should have to sit and watch my temps, with a charger of this quality
and that is why I'm no longer using it anymore
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Old 02-01-2005, 04:32 PM   #5
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A local racer I know ran into the same problems. He was comparing it to his CE Pitbull and CE GFX and noted that the temps were much higher with the 16X5V6. He has since stopped using the charger.
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Old 02-02-2005, 05:33 AM   #6
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The CDC does tend to peak cells on the warm side.

Whether this is good or not depends on your perspective.

For most, hot cells are never a good thing because it tends to shorten the lifetime of the cells.

For some, hot cells means more punch and speed on the track.
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Old 02-03-2005, 02:04 PM   #7
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Quote:
Originally posted by Entropy
The CDC does tend to peak cells on the warm side.

Whether this is good or not depends on your perspective.

For most, hot cells are never a good thing because it tends to shorten the lifetime of the cells.

For some, hot cells means more punch and speed on the track.
I couldnt agree more. The only reason I havent sold mine, is 1) I'm primarily racing in relative cold ambient temperature and 2) I havent found a better charger for my budget and needs yet.
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