variable voltage vs variable wattage

I am very new when it comes to this type of stuff, I recently purchase a mvp 20w box mod and kind of overwhelmed with the voltage and wattage. Should i use voltage or wattage when vaping. I am also wondering what is the right voltage or wattage setting for a 1.6 ohm coil.

Hi, I have been off cigarettes for 6 months now. I have a Russian 91% (1.03 ohms) and a Nautilus (I used the replacement coils that I think are over 2.0 ohms). I run them on a Sentinel MI6. The reason I went to the Sentinel is because I wanted a battery that lasted all day. Anyway, I am not...

With the introduction of the Darwin and, more recently, the Kick, Evolv has changed the face of the APV market by introducing variable wattage APV's. This has led to much confusion about whether variable voltage or variable wattage is the better technology and why. A long technical discussion...