Id like it in a good double battery mod with Time as well. Just for the inner geek in me when trying a new tank and coils I haven't used before. 90% of people would think its a waste of time, kind of pun intended, but I'd like it. My misses would be in the 90% and say to me "why bother, who cares, what's wrong with you!?"The only thing that it would be good for is if your lowering your nic and checking to see if your vaping more with the lower nic.