BP Mods Warhammer Box Mod supports single external 18650 battery with 60W max and Type-C charging. It has Power/Voltage/Bypass/Boost Level/TC/Screen Crightness & Timeout Adjustment function and is fit for atomizer ≤24mm diameter.

https://www.sourcemore.com/bp-mods-warhammer-single-18650-box-mod.html