Like many of us, I’ll admit that I don’t always read directions. It’s ironic because in my former life as a technical writer that’s pretty much all I wrote. Go figure.
Anyway, after opening the Osub kit I turned the mod over in my hands several times looking for the USB port – and found none. With an internal battery I knew it had to have one, so I hooked the edge of the firing key and gently tugged. The magnetic key fell away and the Osub revealed its secret: the port is hidden. Pretty cool.
Moving on, I charged the mod, filled the tank, and explored the menus. Like other SMOK mods the Osub features intuitive menu icons. Press the firing key three times quickly to enter the setup and operation menus. You then scroll through the various icons with the +/- buttons.
The Osub has seven icons, with sub-menus:
- VW/TC mode select
- TC coil selection (Ni/Ti/SS) and TCR
- Screen timeout (5-240 seconds)
- Puff counter
- Screen rotation
- Initial resistance adjustment
- Power off
I set the output to VW mode and with the preinstalled 0.4Ω clapton dual core coil set to 25W, the vape was perfect for me – nice vapor and flavor with a bit of warmth.
This is the second review I’ve done on a kit with the Helmet tank, and I’m really liking it. The tank is simple to use and fill and I have never experienced any gurgles, spitting or leaks – just nice flavorful vapor. The top airflow adjustment ring is simple and stays put, at least until you need to refill.
Regarding battery life, at 25 W with the 0.4Ω dual coil, I was able to get about 116 puffs of approximately 3.6 seconds in duration, which translates to roughly 10 vaping sessions of 11 drags before the battery quit. That’s not too bad for a tiny mod and I would expect even more from the 1.0Ω single coil.
As a final test, I built an RDA with a 0.1Ω Ni 200 coil to put the Osub through a brief TC vape session and the mod performed as expected.