So what’s the best internal battery mod and eGo-style e-cig you can find? Best Internal Battery Box Mods, VV/VW Mods, and eGo-Style E-Cigs There are plenty of options for vape pens and mods which include batteries on the market, and that means there’s a lot of competition for your money. Although choosing a separate battery is important – and we’ve covered the best 18650 batteries elsewhere – many vape mods come with in-built batteries so you don’t have to pick anything up separately. Batteries are the powerhouses that keep us vaping.
