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HomeAircraftHelicopterBeginners Corner › Another puffy LiPo question
11-26-2006 02:10 AM  11 years agoPost 1
OUCaptain

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Heli Addict Rehab Center

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I've noticed lately that both my Align 2200 packs puff slightly at the end of the flight. Now when I say "puffed", I don't mean the cells have puffed any. The cells still feel perfectly flat. Both packs have never been over or under charged or over heated. Been charging them with a Triton and Equinox balancer from day 1. The puffyness feels like a bit of air trapped under the heat shrink. My thought is that the bit of trapped air simply expands due to the heat from use. As I said the cells themselves feel fine.

I quess I just want some self assurance that everything is OK. You guys run into this?

"Human beings are viruses with shoes"

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11-26-2006 10:37 AM  11 years agoPost 2
Rum95

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Puerto Rico

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From what I read that’s a sigh of the pack is starting to fail. Charge it in a safe place and monitor it closely. Personally I would start thinking in investing in other packs.

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11-26-2006 10:43 AM  11 years agoPost 3
Thomashome

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West Sussex UK

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I had a similar problem with a pack, not Align but another make - turned out one cell was leeking a bit.

Does the pack smell at all?

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11-26-2006 06:04 PM  11 years agoPost 4
OUCaptain

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Heli Addict Rehab Center

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No strange odors coming from them. I'm not to worried as I already have two new packs on the way. I'll keep a close eye on em. I'll just use em for backup and drop the charge rate just to be safe.

"Human beings are viruses with shoes"

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11-26-2006 11:50 PM  11 years agoPost 5
stickyfox

rrKey Veteran

Rochester, NY - US

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Is the gas disappearing after a while, or after you recharge them? It could be venting gas, perhaps from a high discharge rate (not sure whether that can cause outgassing.. anyone?)

-fox

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