How long does a disposable vape pen last?

There are many factors may affect how long your disposable vape pen lasts depending on the person. 
That highly depends on how often you vape, and the battery and e-liquid capacity of the vape devices also matters a lot.
Heavy vapers tend to vape an e-cigarette more quickly than light vapers.

For a vape pen, the battery capacity, e-liquid capacity can be important factors to affect the service time a disposable vape provides. There are rechargeable and non-rechargeable disposable vapes on the market. For a non-rechargeable vape device, the battery size and quality matter a lot. And for rechargeable vape devices, the e-liquid capacity can restrict the puff volume you get. Packing a rechargeable battery can ensure that the device will last down to the last drop of liquid. The more e-liquid the vape pen holds, the more puff volume you obtain.

This disposable vape pods hold 12ml e-liquid that can provide approximately 5000 puffs. It lasts me 1-2 weeks. And the brand also has a smaller-capacity vape pen