> I remove the apps after my trip So maybe it's not just the apps that make a difference, it could also be your location. Your battery can drain faster when yo

> I remove the apps after my trip So maybe it's not just the apps that make a difference, it could also be your location. Your battery can drain faster when your phone is searching more frequently for a cell signal. And this can happen on trips because of the different local cellular operators and the different frequency bands used. This is of course only a hypothesis.