the Booster does just that...boosts the voltage. There is a dial that lets you go from the regular/normal voltage of the batt of 3.2/3.3 volts up toward 5 (I think mine metered around 4.9). There is no meter built in, but I found you really dont need it...you quickly get to know where the sweet spot on the dial is for each flavor, and you end up setting and tweaking based on the vape anyway (ie if a carto is getting beat you just nudge it up a little. I use it with a good amount of boost most of the time...like 4.3~4.5... and the battery life is appx 20% less.
It really is a pretty awesome little device...you get a perfect voltage range (IMO), its pretty small, and for a reasonable price you can make batts that almost everyone already has into VV devices. I had thought it as a starter VV mod until I could get a Provari...but now I don't think I ever will. I like having multi batts, and the ability to vary the size...I go more stealth by using a tiny little Ego batt I have, or I put on one of the big batts for a road trip or any other heavy vape session without having to worry about changing, charging, etc. My next is adding a PT Ego batt to my collection and pretty much every angle is covered.
They are made and sold by Artisan
vaping Artisan Vaping | Home of the Ego Booster and I think TW rebrands one for their line.
No, I have no vested interest...just pretty happy with mine. It really has taken the enjoyment and satisfaction of vaping up a big notch for me...and to come back to the orig topic, it allows me to 'up' the taste, TH, etc without having to up the nic level.
I'm curious about the battery life. Does a booster boost it too?