SMOK Vape Pen Plus comes with 24.5mm diameter and 4ml tank and 3000mAh battery. It adopts improved e juice refilling system and bigger refilling slot, which will surely bring better vaping experience to SMOK Vape Pen 22 Kit 1650mAh 0.3 Starter Kit Smok Vape Pen Coils For Smok Vape Pen 22 Kit, Vape Pen Tank, Vape Pen Plus Kit, Vape Pen V2 Kit(5pcs Pack) SMOK Vape Pen V2 Starter Kit 1600mAh, (Product Introduction), As the latest pen style vape from SMOK Vape Pen series, the SMOK Vape Pen V2 Starter Kit is a portable all in one pen style starter kit