I've been off of the cigs for over 3 years and my gear is very basic.  Aspire K1 type stuff is really the best that I need.  However, being the prepper that I am, I went in with some vapocalypse stuff.  Provari power and a bunch of tanks.  Didn't really want to use them, but figured some day I would have to.  Well, I got jazzed tonight and thought I'd try it out.  Filled up a Triton V2 and put it on the Provari and I got an E1.  Fine, I changed the coil, and I got nothing but burnt cotton.  For 20 minutes.  OK, let's try a Triton V1  Another E1.  OK let's try that Lemo.  E1.  I threw that .... on the ......n floor.  I think the Provari survived, the Lemo not so much.  I'm still trying to figure out how I spent 3 hours with expensive hardware without a single hit, and how my reliable vape is still an aspire K1.  Pretty sure there is some user error here, but I'm not an idiot.  I've been vaping for over 3 years and I majored in chemical engineering.