So I was rebuilding my euforia and missed trimming a wire. Stupid mistake but oh well , it happened. Anyhow , it shorted and I felt the battery get warm and I instantly got it out of the mod and tossed it outside which I was really close to. Is it still good after it cools down, or did it damage the battery?
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Are batteries still good after a hard short ?
- Thread starter chadsmo
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I've done the same, hard shorted a battery when building an atty. The hot spring on my mod collapsed so it was only shorted for less than a second. When i checked the battery it was fine. If there is no damage to the battery and it will hold a charge then you can still use it. Really depends on how cautious you want to be, i'm sure some people will tell you to dispose of it. Your choice.
I always remove my atty when building new coils. I don't even like to adjust the coils while it's attached just to be safe. I'm afraid the pinhead is going to touch something and kill my setup.
P.S. Kycap nice picture lol made me chuckle a lil.
P.S. Kycap nice picture lol made me chuckle a lil.
I was done building it and was just gonna check how the coils were gonna glow. It's the same build as my terminator which I've rebuilt a ton, just a dumb error. I'd test fire it on a mod with protection but I was aiming for about .8 so my regulated mods won't fire that.
Depends on the battery. All hard shorts aren't created equal.
Also, peace of mind is PRICELESS, so you tell me...
Also, peace of mind is PRICELESS, so you tell me...
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That's what they make multimeters for...........
And you shorted a battery and physically tossed it out the door. And want to use it?
Well go ahead if you insist. But there's no way we can tell you it's safe. And if it fails, it will probably fail while charging......so at least charge it in a safe place. Take it off the charger and let it set for 15-30 min. Then test the voltage with a multimeter and see if it holds a charge.
By what you described, I probably would be less afraid to use it than I would be to charge it, and it could fail 2-3 or 10 charges down the road. For me the real issue would be that my trust level would be diminished, and I would "wonder" every time I went to use it. Life is to short, and batteries to cheap.
No one can tell you it will be fine. I agree with everyone else recycle it and be done with it. Do you want to trust your property and injury to chance?
Theres no way to take it apart make sure its working fine and then put it back together so its just a guess that there is no damage.
Theres no way to take it apart make sure its working fine and then put it back together so its just a guess that there is no damage.
Wow, you guys are paranoid. If you throw out a lithium battery just because it got warm, you must go through new cell phone batteries 5 times a day. A battery getting hot isn't going to make it blow up the next time you use it. Heat is dangerous because if it builds up enough, the gasses inside the battery expand until the case splits open and they vent. If it didn't vent, it's ok. At worst, it may not hold a charge as long. But even that requires a LOT of heat to cause, and is unlikely.
All batteries get warm when you discharge them quickly. It's perfectly normal.
All batteries get warm when you discharge them quickly. It's perfectly normal.
The heat causes thermal run-away where (for Li-Ion) it catches fire and then can't be stopped. They vent violently.
For IMR...it's less violent...slower venting.
The heat also breaks down the guts of the battery...and can lead to an INTERNAL short or other internal issues (crystals?) that cause problems down the road.
So...heat is NOT a good and normal thing with Li-Ion. Not even good with IMR in my opinion, although people push the limits all the time.
I've got a power tool who's Lithium battery pack specifically says don't even use it above XX degrees F.
Also, you're forgetting he threw the thing out into the yard. Possible physical damage. We can't tell from here.
It's NOT like you're just releasing some magic trapped gas in there....the gasses come from combustion, and damage can cause it to combust as well as a dead-short.
Once you damage a Li battery, best to throw it out and get a new one. Now, the question is...Is it damaged? And we can't answer that on the net very well.
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The heat causes thermal run-away where (for Li-Ion) it catches fire and then can't be stopped. They vent violently.
For IMR...it's less violent...slower venting.
The heat also breaks down the guts of the battery...and can lead to an INTERNAL short or other internal issues (crystals?) that cause problems down the road.
So...heat is NOT a good and normal thing with Li-Ion. Not even good with IMR in my opinion, although people push the limits all the time.
I've got a power tool who's Lithium battery pack specifically says don't even use it above XX degrees F.
Also, you're forgetting he threw the thing out into the yard. Possible physical damage. We can't tell from here.
It's NOT like you're just releasing some magic trapped gas in there....the gasses come from combustion, and damage can cause it to combust as well as a dead-short.
Once you damage a Li battery, best to throw it out and get a new one. Now, the question is...Is it damaged? And we can't answer that on the net very well.
Well I didn't exactly throw it like a baseball lol. The battery cooled down quickly actually. It was only shorted for maybe half a second to a second. While I was up and watching tv after I tossed it in the charger. It charged to 4.19 and was still this afternoon. So I tossed it in my mod and did a couple quick fires and checked it , then repeated , it seems fine. I'll watch its performance over the next few days but I think it's probably ok.
We don't know what you did or what it landed on.
Well, like I said in a previous post...
If you insist, OK. Test it and charge in a very safe location! Keep an eye on it. Good luck!
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The heat causes thermal run-away where (for Li-Ion) it catches fire and then can't be stopped. They vent violently.
For IMR...it's less violent...slower venting.
The heat also breaks down the guts of the battery...and can lead to an INTERNAL short or other internal issues (crystals?) that cause problems down the road.
So...heat is NOT a good and normal thing with Li-Ion. Not even good with IMR in my opinion, although people push the limits all the time.
I've got a power tool who's Lithium battery pack specifically says don't even use it above XX degrees F.
Also, you're forgetting he threw the thing out into the yard. Possible physical damage. We can't tell from here.
It's NOT like you're just releasing some magic trapped gas in there....the gasses come from combustion, and damage can cause it to combust as well as a dead-short.
Once you damage a Li battery, best to throw it out and get a new one. Now, the question is...Is it damaged? And we can't answer that on the net very well.
Yes, those things CAN happen. But none of them DID. That was my point. Thermal runaway is something that happens when the battery gets REALLY hot. Like hot enough to burn your hand. A warm battery is nothing to worry about. The older ones with cobalt cathodes could handle up to 265 degrees safely. Newer manganese versions can handle up to 480+ degrees before becoming unstable.
Physical damage is a real concern of course, but that's easy enough to determine. If the outside is damaged then it's not worth the risk. If not, I think all the warm cell phones that have been dropped repeatedly are proof enough that the battery was and probably still is perfectly fine.
zipp....see posts #9 and #18. I said he could probably use it and even gave him a process to sort-of-test it.
But still, caution is the better part of valor with mech mod batteries. And your other post was a bit confusing (to me anyway)
But still, caution is the better part of valor with mech mod batteries. And your other post was a bit confusing (to me anyway)
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