Portable chargers or power banks containing a lithium ion battery must be packed in carry-on bags.
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Portable chargers or power banks containing a lithium ion battery must be packed in carry-on bags. For more information, see the FAA guidance on portable rechargers. For more prohibited items, please go to the 'What Can I Bring?'
This covers typical dry cell batteries and lithium metal and lithium ion batteries for consumer electronics (AA, AAA, C, D, button cell, camera batteries, laptop batteries, etc.) Spare (uninstalled) lithium metal and lithium ion batteries are always prohibited in checked baggage and must be placed in carry-on.
We recommend that you keep all your electronic devices in carry-on baggage. If you prefer to pack these in your suitcase, please check with your airline first and make sure that they are completely switched off - not in sleep or hibernate mode.
These chargers or power banks are restricted to carry-on luggage only according to FAA and IATA guidelines. They're not allowed in checked luggage because of the risk of lithium batteries catching fire. In the cabin, such an event can be promptly handled, but in the hold, it could lead to dangerous situations.
Portable chargers or power banks containing a lithium ion battery must be packed in carry-on bags. For more information, see the FAA guidance on portable rechargers.
Chargers and cables for electronic devices don't need to be removed from your carry-on when going through airport security. That said, they do clutter the x-ray images a lot, so unless you've packed just a few chargers in there, the TSA agents might ask you to remove them from the bag and place them in a separate bin.
Spare (uninstalled) lithium ion and lithium metal batteries, including power banks and cell phone battery charging cases, must be carried in carry-on baggage only. With airline approval, passengers may also carry up to two spare larger lithium ion batteries (101–160 Wh) or lithium metal batteries (2-8 grams).
Make sure any cash and valuables are buried inside zipper pockets, preferably locked, in your bags. TSA can inspect any bag they want, but they are supposed to ask your permission first.
The TSA largely looks for physical evidence that a passenger could be a threat, so they'll generally have no reason to search through the data on your phone. After all, they're the Transportation Security Agency, not a detective agency. Even if they did have reason to want to access your phone, they'd need a warrant.
Check your pockets for spare change, keys, etc. If the airport is using full-body scanners you need to have nothing at all in your pockets so I just routinely do that. By the time you get to the security personnel, the only thing you will have out will be your passport or id card and your boarding pass.