Vape batteries are the vital part of vaping. These batteries come in different shapes and sizes but they perform the same function. Some vapes have in built batteries while others use external batteries. The external batteries have a positive and negative end. Once you attach it’s both terminals to a circuit, the current starts flowing through it. The standard batteries which are used for vaping are 18650 batteries. Though inbuilt vaping batteries are easier to use as they require no fitting and their battery validation is guaranteed but using external batteries with vaping devices have a lot more benefits as you have more choice over battery, extend the life of the mod, they are interchangeable with other devices having the same size battery.