The Eleaf iStick is by far one of the best electronic cigarette products on the market today.
2200 mAh Li-ion battery, 2-8 volts, 5-30 watts.
Capable of reading sub-ohm resistance atomizers all the way down to 0.4ohm.
High quality OLED screen displays voltage, wattage, battery level, vape timer, and atomizer resistance.
Comes with usb charger and 510 adapter.