Longest any battery has lasted me is 6 hours.... Just to note was a 26650 battery with 3500 mah....
"I know that I am hard to love, I know that I ask for far too much, but we get what we ask for sometimes, and sometimes we miss the mark. We miss the mark..."- ilyAIMY "the MARC"
12 hours on one battery? I have never achieved that, not even in the beginning.
I get around an hour on a manual XL titan with tank. Yes I am a chain-vaper. Most I ever got was around 4 hours with an Ego. Morandir Sir trumps me, as always.
Yes, that's right: in Australia, vapour has a 'u' in it, centre ends in re and atomiser is spelt with an S not Z. .Your Truth is not my Truth. Your Truth is true for you, my Truth is true for me.
This does not make either of us wrong or right, just different