Batteries & Chargers Nicads, Nickel Metal Hydride, Lithium, LiPoly, Chargers, Cyclers, etc...

Is this battery too puffed up?

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Old 07-13-2018, 08:23 PM
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obrien135
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Default Is this battery too puffed up?


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Old 07-14-2018, 04:43 AM
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Your picture doesn't show the detail needed to make a proper judgement , three views of the battery , length , width , and height , minus the hand , will allow a far better assessment to be made .

Now , with that said , I always follow the same golden rule as to whether food is spoiled or not "When in doubt , throw it out" .

House fire , VS up puking all night , yea , the golden rule works , in other words ALWAYS err on the side of safety and your house and stomach will be just fine ......

Last edited by init4fun; 07-14-2018 at 04:45 AM.
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Old 07-14-2018, 10:38 AM
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Old 07-14-2018, 12:31 PM
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Um , No , not really .

Look , dude , I'm not trying to bust your aggies here , I'm really not , but do you know what an engineering "three view" is ? That's whats needed , MINUS THE HAND , to get a good enough view of your battery to make any kinds of informed opinion as to just how puffed it actually is . Personally , since I still can't see enough detail even in your latest picture , I'll again have to fall back to "The Golden Rule" .....
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Old 07-14-2018, 07:10 PM
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Old 07-14-2018, 07:12 PM
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Default How common is it for them to blow up?

How often do they explode?
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Old 07-15-2018, 07:21 AM
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Is it "squishy" or firm? A new battery is "square" (ok rectangular ) and firm. Once they start to get squishy, I tend to err on the side of caution, especially since prices for LiPo have come down so much.

With the price of a new 3S LiPo 2200 mAh pack that will last you hundreds of flights about the same as couple of six packs of beer that will last you 1-2 weekends, it seems a no brainer to me.
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Old 07-15-2018, 08:54 PM
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obrien135
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Default That's ok

I erred on the side of caution and cut the leads off and put it in a bucket of salt water. Thanks for all the help guys.
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Old 07-17-2018, 10:37 AM
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Doesn't looked puffed to me from those pictures. Do the cells balance? I agree with others here though. If in doubt and it seems like you are, dispose of it properly and buy new. Peace of mind.
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Old 08-04-2018, 03:13 PM
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I’ve seen brand new batteries puff up while still in the package hanging on a hook in the store. Who knows why they puff, when, or if they can still be used. I have also seen puffed batteries return back to normal after using them. Very strange.

I’m not so sure there are very many that last for 100s of cycles.
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