Battery still safe after getting warm?

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Silver5656

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So I shorted my setup for about 1/4 a second. This was on a smpl mod with a nautilus mini. I didnt even think about it but this is a horrible and unsafe setup. Why? Because the smpl mod is a hybrid mech mod with a screw on button and the nautilii use a spring loaded 510 connector. When I first screwed on the button, it didnt fire so I did what was natural to me. Screw it tighter. Right when I did this I remembered the spring loaded connector and immediately screwed the button back off. But I did notice that the SS smpl mod did get warm as did the battery. Is it still safe to use? Or should I toss it. Nothing visible on the battery, just got warm (warmer than when I charge it, but not hot).
 

edyle

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sounds good, into the trash it goes! Too bad, it was a relatively new vtc5

Oh, a vtc5; I was going to say "toss that trustfire".

But if it's a vtc5 and it only got warm not hot, I wouldn't be thinking of tossing it; just put a dot on it with a permanent marker so you know it's a battery you have a question about.

I'd pay more attention to dealing with that 510 connetor to smpl mod connection; if you could put in a good adapter with a protruding center pin so that the adapter touches the battery clearly without shorting and your 510 tanks can tread onto the adapter instead, you won't get a repeat.
 

Froth

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Pull that thing out of the trash and vape it!!! Sony says themselves the batteries can reach 60°C (140°F)!!! During continuous high drain discharge. I've personally recorded the temp with an IR temp probe on some of my VTC5's during some very heavy subohm use, they get well over 110°F and can feel very warm to almost hot to the touch. There is NOTHING wrong with your battery IMO, if it didn't get HOT there wasn't much of a short, during a true hard short the battery will get EXTREMELY hot(200°F or more) within 2-3 seconds.
 

Silver5656

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wow. the voltage meter read it at .32 v. I even double checked on a used and new batt (which read at 3.9 and 4.19) just to double check. That is so weird. There are no marks on the batt at all, and it definitely did not go above 140f. At most it felt like 100. lol back into the trash it goes. I also double checked it on my cheapo volt meter and it read .30 (not 3.0)
 

anumber1

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wow. the voltage meter read it at .32 v. I even double checked on a used and new batt (which read at 3.9 and 4.19) just to double check. That is so weird. There are no marks on the batt at all, and it definitely did not go above 140f. At most it felt like 100. lol back into the trash it goes. I also double checked it on my cheapo volt meter and it read .30 (not 3.0)
That battery is damaged.

Sorry to say that yes, even the Sony vtc5, will get damaged by shorting.

Any battery getting hot, and you know was shorted, should be considered damaged.

They don't all fail by venting. The trouble is you don't know if or when a damaged battery will vent.
 

edyle

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wow. the voltage meter read it at .32 v. I even double checked on a used and new batt (which read at 3.9 and 4.19) just to double check. That is so weird. There are no marks on the batt at all, and it definitely did not go above 140f. At most it felt like 100. lol back into the trash it goes. I also double checked it on my cheapo volt meter and it read .30 (not 3.0)

That battery is gone for sure. Needs disposal. Your charger will refuse it for your safety.

I'm surprised if it only got shorted for a fraction of a second.
 

Ryedan

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wow. the voltage meter read it at .32 v. I even double checked on a used and new batt (which read at 3.9 and 4.19) just to double check. That is so weird. There are no marks on the batt at all, and it definitely did not go above 140f. At most it felt like 100. lol back into the trash it goes. I also double checked it on my cheapo volt meter and it read .30 (not 3.0)

Yup, this time you will not have to go back in the trash again :). A good charger might save it, but I wouldn't ever vape with it again due to internal damage.

FWIW, I really don't think this is the result of a 1/2 second short. I shorted a MNKE 18650 for about 1/2 second once and the voltage after was still 4v+.
 
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