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› lipo disposal WARNING
06-05-2010 02:44 PM  7 years agoPost 21
rexxigpilot

rrProfessor

Florida

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He's in the running!

@MikeC,
What's the purpose of puncturing the cells after it's fully discharged? The purpose of fully discharging by placing in salt water is so when it does get ruptured in the trash, it won't catch fire. Again, there is no reason to ever puncture the cells. As I've said before, this leads people like the OP to think they are supposed to puncture the cells. He did it prior to placing the pack in the salt water bath. This is just not smart/safe.

Puncturing the cells after they are at 0 volts is just a waste of time. The cells are not going to magically re-energize on their own.

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06-05-2010 03:27 PM  7 years agoPost 22
Zaneman007

rrElite Veteran

Texas - USA

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Warning labels

Lipos are a fire hazards.

That is why they have warning labels.

Just so you know, there are three ways to get your lipo to catch fire.

1) punture it, as you found out.
2) short out the leads.
3) over charge it, hook it up to your car battery.

Disposing of a lipo.

Most citys have hazardous waste disposal centers.

Old Guys Rule!

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06-05-2010 04:19 PM  7 years agoPost 23
synodontis

rrKey Veteran

United Kingdom

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Darwin Award candidate?
puncturing the cells? Are you nuts?

I make sure they're fully discharged and then, maybe with a pair of scissors, carefully cut along an edge to see the layers if I'm curious.

The amount of energy packed into these packs is staggering to say the least. And when you have that much energy in such a small space it deserves to be treated with respect.

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06-05-2010 04:43 PM  7 years agoPost 24
Wobbly Goblin

rrNovice

Victorville, California. USA

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I never puncturing cells. I just drop the whole thing into a bucket of water with a liitle salt for a few weeks.
Yup, that's exactly what I do as well. There's usually a small underwater explosion a few hours later. I assume the battery is safe at that point, but I still let it soak for several weeks before tossing it in the trash.

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06-05-2010 05:22 PM  7 years agoPost 25
MikeC

rrKey Veteran

Mosinee, WI

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Tell these guys then.

http://www.commonsenserc.com/LiPo_v...ns_warranty.pdf

What reason is there to puncture the cells? To render the chemistry inert. It may not be as toxic as cadmium but that doesn't mean it's a good idea to just toss it in a landfill. Unless you you encase the pack in a big block of epoxy resin, it's going to get punctured in the landfill. I said it before and I'll say it again, if it's unsafe to puncture the cells after fully discharging then it's unsafe to discharge and throw in a landfill as is where it's going to get punctured and may start the landfill on fire!

Century Swift, TREX 450, Blade MCX, Spektrum DX7

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06-05-2010 06:24 PM  7 years agoPost 26
Ravenhyper50

rrKey Veteran

Canada's Capital

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^^^^^^ Exactly !!!!
I 100% agree.

+100000000000

Raven

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06-05-2010 06:44 PM  7 years agoPost 27
holzback

rrKey Veteran

noblesville IN United States

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puncturing a cell makes no since, that is what makes them go up

you aint crashin you aint learnin

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06-05-2010 07:14 PM  7 years agoPost 28
synodontis

rrKey Veteran

United Kingdom

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does anyone know what these batteries can't be recycled - or is it just not worth the while?

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06-05-2010 09:26 PM  7 years agoPost 29
nexgen

rrNovice

Brainerd, MN - USA

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Just soak poke and toss...

By the time you read this, you've already read it!!

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06-05-2010 09:52 PM  7 years agoPost 30
str8den

rrVeteran

NE U.K

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great to see all the replies, and everything took-on board!

from the 'darwinian candidate,' to the 'soak, poke and toss;' but i particularly like the idea of 'leaving it under the wifes seat!'

whichever way, be it puncturing or not, the majority of the responses has ensured i will not puncture a cell before soaking in saline solution.

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06-05-2010 10:08 PM  7 years agoPost 31
spacecopter

rrApprentice

Calgary, CANADA

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Does the salty water become toxic / hazardous, if you soak the Lipos in there? Can I just dump the water in the drain ?
.
.
..

No sponsoring - I pay for what I fly

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06-05-2010 11:02 PM  7 years agoPost 32
Ravenhyper50

rrKey Veteran

Canada's Capital

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Just soak poke and toss...
Easy as 1...2...3!

Raven

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06-06-2010 01:26 AM  7 years agoPost 33
rexxigpilot

rrProfessor

Florida

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No need to poke! Lithium is one of the lightest metals. It is not toxic like heavy metals (anything heavier than iron) and can be disposed of properly in a land fill.

If it gets punctured after being drained of energy (0 V), it is no longer dangerous. It is the potential difference (voltage) and electrical capacity that creates the danger of fire with a LiPo. It is not an exothermic chemical reaction that needs to be neutralized by puncturing. By totally discharging to 0 V it is rendered safe.

Puncture it all you want after this, it doesn't matter one bit. It is a waste of time and erroneously stating it should be punctured can lead to danger when someone confuses when it is safe to eat, place in landfill or puncture.

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06-06-2010 01:31 AM  7 years agoPost 34
NQNA

rrElite Veteran

USA

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I always just fire pit em..

But I like to burn everything..

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06-06-2010 04:45 AM  7 years agoPost 35
Ravenhyper50

rrKey Veteran

Canada's Capital

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Yeah, Burning them is much more fun! Fully charged chuck them in the fire

Raven

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06-06-2010 06:33 AM  7 years agoPost 36
chopper_crazy

rrElite Veteran

Delphos, Ohio

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I just burn my dead lipos in a burn barrel

It's a complex, costly, glow powered anti-gravity machine!

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