The technology has its limitations nowadays, so fitting everything into a small 18650 battery vape isn't possible yet. There is a trade off between high current and capacity. So, if you want a high power battery, you’ll have to compromise on capacity, and vice versa.
We basically have three main types of vaping batteries: high capacity and low power, high power and low capacity, and then there some which are in between that try to offer a comprise between the two. Whenever vaping at high wattage, just make sure you know your battery well, and don’t put too much burden on it – which is called overdrawing.
Our 18650 Li-ion battery can reach the phenomenon.