Smaller coils with less power is the only way to use less juice. Juice consumption is a direct result of power and coil mass.
I like the Steam Crave RDTA’s, the got little ones, big ones, wide ones, short ones… one for every personality. I’ve been using the v1 for the past few years but…it’s just that good. I’d get a supreme at least though, that top fill is legit.