Okay so I regularly buy pure distillate and make my own CCell carts. I have two heating methods that are both less than ideal. First and my most accurate is putting shot glasses in a small pot on the low setting on my electric stove. I've checked it with thermometer and it stays plenty safe...
Okay so I'm just seeking opinions on batteries and their toughness. I've yet to find/buy a battery that I really like and trust to last a long time. I've used the cheap basic push button adjustable voltage batteries on ebay and for the money they are great. But obviously not tough.
I've had...