doots great point you have I never really thought about that and maybe just maybe thats it, YOU GOT IT.!! I havent timed it but with the LR's drawing like 2.5 amps I know the Ego last less than normal. However I chain vape and I would still say the Ego is lasting me the better part of my work day before I change it, maybe a bit less im not sure like I said I havent timed it but I will now just to see, Your point on the Ego running @ 3.2v or so could be the magic to this thing, I just got some new LR's @ 1.7 ohm that I like even better too it's just a bit smoother on the fluid taste and I will have to see if I get the same performance. But good thinking Doots good thinking my friend