This is a very excellent question. Any source of power or energy has the potential to explode or ignite. The concern is really the damage and destruction done by the explosion.
Does all of this apply to the eroll too? The atty on that gets hot, but not the battery. Now I'm paranoid. I had chalked it up to "folklore".
Yup, so can your phone, or any other battery.
_____________Last analog: September 10th, 2013, Around 22:00 GMT -5______________
At 0.5Ω of resistance you're pushing 7.4 amps and a whopping 27.38 watts...
If you did that to an eGo, it would destroy a small village.
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I apologize for skimming most of the thread, but I feel compelled to add the following, obligatory note:
It's true that a personal vaporizer can "blow up," but it's also true that you might get struck by lightning. As long as you don't handle your batteries negligently, there's an absolutely negligible chance of anything bad happening. And since the major battery-safety concerns are largely confined to vapers who use advanced items (so-called mods, usually coupled with ultra-low-resistance heating coils, often built by the user), the idea that exploding e-cigs are a concern that's even relevant to the general public is frankly preposterous.
The news outlets that carry scare-mongering stories on this subject should be ashamed of themselves.
Now, does any of the above mean that you should ignore all of the wonderful battery-safety advice you'll find in this forum? Absolutely not. Casual observers should keep the big picture in mind, though.