So I wanted to get this written down because I just experienced something that most VV users will understand, but most who haven't used VV before may want to watch for.
I'm new to VV vaping. I was never interested in it before now...in fact...I was really not that excited about this device because I was really happy with my 3.7v vaping set ups. But now that I have it, it never leaves my side and I use it constantly.
So the other day...I was happily vaping away with a 2.5Ω i06 atty...(I had been using it for a few weeks. It was not bad, no 357, mind you...but not bad at all.)...when all of a sudden my mod stopped working. So I pressed the button again....and nothing. Then I pressed the button again and got vapor. Vaped for a little while then it stopped again. I'm thinking ...WTH? So I throw my batteries on the charger, put fresh ones in and start again.
Same thing. Dang it! Time to trouble shoot.
As suggested by MX, I pull out the multi-meter and test my batteries. They're good. So I pull off the atty and test that. It read 1.6Ω minus the .3Ω of my leads and I get 1.3Ω. And there we have it. My atty was going bad...and while doing so, it was drawing too many amps from the chip and so the chip cut off the power.
What's funny is that the very first thing I thought when it was intermittently not working..."shoot, I'm going to have to send this back to Rob."

Not so, my friends. For those of you who are new to VV vaping, don't let the electronics scare you out of getting this...but seriously, it's a good idea to invest in a multi-meter and learn how to use it. It's a lot easier than you think....and this coming from someone who doesn't give a rat's patootie about electronics or learning anything more about them than I already do.