A lot of us aren't around a plug during the work day unfortunately, so having a swappable battery is a necessity for higher wattage vaping anyway. Internal charging is great as well, just plug it in overnight.
I don't get to vape enough while working so an 18650 will usually get me through the day, even at 40 watts.
I don't get to vape enough while working so an 18650 will usually get me through the day, even at 40 watts.