The nature of my job means I am constantly running around town but only for an hour or two then I'm back home. I used to grab my Vaporesso Target Mini and go but recently it's just not enough. I either take my Kangertech Dripbox or my Council of Vapor Wraith now.
For more extended trips (the whole day out or an overnight) I grab my "vape box". It has a single 18650 charger, 2 18650's, cotton, eliquid, tools, ect. I also take a whole backup mod/tank at this point for extended trips just to be sure I don't have an excuse to smoke a cig.
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