If you want to keep it simple why not a voltage indicator connected to the battery. That way you would know the voltage the whole time your vaping the device.
here is a simple voltage indicator
There are several bottom coils you can try. Kanger Protank, Vapeonly BCC, Phoenix Raven. They all have the bottom coil design with a few differences. The pheonix raven is a silica wick bottom coil but in a carto tank design. The protank advantage is that it is glass you can put whatever...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.