What is a series box mod?

Chump Modz "Murica" Series Dual 18650 Boxmod
January 15, 2016

I also see this question a lot.  2015 was certainly the year of the boxmod, as predicted by many in 2014.  Boxmods come in two main battery configurations when there is more than one battery – these are referred to as “series” and “parallel”.  When you call a box mod “series”, it’s really this battery configuration you’re talking about. Most of the time, when folks are referring to series and parallel,…