Taking a classic design to a different level, the Vape Pen 22 by Smok features a very simple take on sub ohm kits. The battery features a 1650mAh internal battery that is easily charged through the micro USB port. Also battery unit is matched perfectly with the included tank, which can easily be filled through the top. Cost effective and simple in design, this is perfect for the low key vaper & a perfect side vape for pro vapes.