If you're looking for your first mod, or want to upgrade your existing, look no further! We at eSmokes.se only carry the most interesting mods with latest technology, and we can boast with Sweden's absolute largest range of mods. A mod can be described as an advanced box powered by one battery or several batteries, in which you apply a tank on. There are simpler mods that regulate watts and those that regulate both watts and temperature. To kick it up a notch you also have to chose if you would like a built-in batteries or a mod with 1-4 separate batteries. Some mods charge with USB while others use a separate charger.