I highly doubt the heat would even be close to leaching it. Your not combusting here. The heater is at least three inches from it and your drawing air through it. You put a direct flame on it. My stem doesn't even get warm. I just checked and mine are glass stems. I dropped my original one I got...
I have a nite core and a Efest Luc 4. With the Luc 4 you can see exactly how much charge is in the battery and you can adjust between .5 & 1.0 amp recharge to speed up the charge. It will charge your battery to 4.2 volts and stop. It will not overcharge your batteries. This way you don't have to...
I have been vaping e cigs for almost four years. I have many mods and almost every manufacturer of mods recommend charging your batteries in a external charger. Most chargers have great safety features built in. Any high drain battery can vent. It's going to happen to a very small percentage of...
It holds it super tight. I actually wet my stem a little to twist it in to the rubber mouthpiece. It seals perfectly and sits very sturdy. As far as cutting the mouthpiece piece to fit a larger stem I wouldn't recommend it. It will be to big and heavy and not stay in as secure.
It works great give it a try. I also think it's easier to draw off of.
https://onedrive.live.com/redir?resid=2D54D4424BCD1619!1057&authkey=!ABVtp9Od9NxtztM&v=3&ithint=photo,jpg
https://onedrive.live.com/redir?resid=2D54D4424BCD1619!1058&authkey=!AL2J-w8dmMTb22E&v=3&ithint=photo%2cjpg