We will be traveling to Australia from the states and touring Australia and New Zealand which includes several airports. I would like to keep my EVODs and juices and battery charger in my checked luggage to avoid any questions with security (we are traveling with some people who would be upset if they knew we vaped). Would there be any problem with this as far as you know? I have been told that I must keep the batteries (ego C) in my carryon as they should not be checked. Is that true? We only vape in private so we would never do it in any airport or plane. But I do want our stuff to be available for hotel nights so we would be pretty upset if our stuff was taken out of our checked luggage. Would appreciate any help.