This is the only info I can find at the moment.
Youde UD Balrog-EX mod Description:
The Youde UD Balrog-EX 75W Box mod is the upgarde version of Balrog, which is the newest by UD. Coming with condensation collection ring, purlicue button and ergonomic design. What's more Balrog-EX 75W Box mod features temperature control, 75W max output and powered by Single 18650 or 26650 Battery.
Balrog-EX 75W Box Mod Features:
- Humanoid Hand Design, Comfortable Hand Feeling
- Application of Single 18650 or 26650 Battery to Your Preference
- Five Memory Mods Available
- Condensation Collection Ring
- Purlicue Button ,Ergonomic Design