Is the polyfill mod ok to be used when there is a battery inside

BEGINNER'S GUIDE: DIFFERENT TYPES OF VAPES EXPLAINED – cometovape

What Is An Atomizer? – DOVPO

Cotton Mod or Polyfill Mod? Playing with mods on my GMK67 and testing out the Maono AU-PM471TS!

What Is An Atomizer? – DOVPO

What Are The Different Types of Vapes And How To Choose The Right One! - Ruthless Vapor Corporation

RealKeys

how to mod an alice keyboard! personally i think these are the best mo

What Vape Device To Buy?, Vaperite

How do E-Cigarettes Work? All You Need to Know

Is putting polyfill into a keyboard with a battery a bad idea? : r/MechanicalKeyboards

I personally like this mod, even though it slightly dims my rgb lighti