throk" data-source="post: 7459102" class="bbCodeBlock bbCodeBlock--expandable bbCodeBlock--quote js-expandWatch">I'm in about the same place as cwolfman13.....a 900 will last between 6 and 8 hours. I do chain vape, though. That "rule of thumb" is just that...a rule of thumb. More like a guideline than a rule. 100 mAh = 1 hour. In a perfect world, that is.
It's quite accurate. My 650 Twist lasted me 5 hours today...