Mango Blast UNO NOX Bar is a taste of the tropics with sweet and tangy notes. Each bar has a 500mAh battery and 2ml of nic salt e-liquid. This provides up to 600 puffs. Plus, the 20mg strength will cater to most vapers including heavy smokers as it offers to equivalent to roughly 20-25 cigarettes. There are 14 flavours in total to choose from which are all made in the USA.