18650 or 26650 battery ? or both ? UD Balrog EX 75W Box Mod

[Efuntop]

75W UD Balrog EX TC Box Mod is a new version with max 75w wattage, six useful output modes and upgradable firmware. It can be powered by a 18650 or 26650 battery.






Features:
Ergonomic design, perfect fit with your hand
Available with 18650/26650 battery
With condensation collection ring for collecting condensed fluid aside
Spring type 510 thread connected with battery positive electrode
Online upgrading
5 groups of memory parameters, customer can pre-set the output parameter for different atomizer
Add power curve output mode to ensure good flavor