One vape friends ask this question to me, he is a newbie in oil area.
Yocan UNI Box mod is packed with 650 mAh battery and it seems very good compared to other similar portable vaporizers. When fully charged, Uni can get around 200 hits but the number of the hit may change according to the voltage you have chosen, the resistance of the cartridge and the frequency of its use. The device took about an hour to get fully charged but users don’t get the battery indicator so they have to keep on the track the usage of the device as it battery can die without any indication.
This portable device supports any cartridge without any trouble. All you have to do is, screw the cartridge on the magnetic adapter, drop it in and you will hear the magnetic connection. You can adjust the height of the cartridge according to your preference and then you have to close the width off so cartridge doesn’t rattle around and doesn’t fall out. So it’s super easy and heats up times are fast, which is good.
To turn on the device press power switch five times. Pressing it three times will get you to voltage settings and after it gets heat up, you can inhale from the mouthpiece.
By the way, Yocan have released their latest Yocan UNI Pro Box Mod, come with a OLED screen, and fit all oil cartridges.