Many box mods come with no visible vent holes. Some vapers, including reviewers, seem to be concerned about that. In most cases, that concern is unwarranted.
Some mods use external chargers; You remove the 18650 batteries or what have you, and put them in a separate USB charger. Those are not what we’re going to talk about here. This post is about mods and batteries that are charged via USB. Hopefully it can provide some clarity, and maybe rid us of […]