Resistance Range: 0.15-2.5ohm
Looking at the specs, as a matter of preference, would use a 0.30 Ω coil with the device. Have found 0.30 to 0.50 Ω coils a nice, moderate sub-ohming vaping experience. Just my half cent, fwiw.
As far as wattage? Could not really say. I run between 20 to 28 watts on mechanical devices. Still get nice cloud chucking at times, though I'm not a cloud chaser. One day I may believe that. *grin*
ETA: Using mechanical devices, I might let a battery "drop off" to pushing about 22 watts. Then, I'll swap out and recharge. Usually runs about 28 watts on a full charged battery. Notice, I use "about", I've learned a "feel" by "experience" with vaping and do not bother too much in measuring precisely. 20 watts would be the absolute baseline of where I'd let a battery push before recharging. You need "head space" on batteries.