Can you take a power bank on a plane? The rules after the March 2026 change
Yes, in your carry-on and never in checked bags. International rules tightened in 2026: two per person, and no recharging the power bank on board.
Power
Power banks, watt-hours, and the rules and limits that come with carrying a battery around.
Does fast charging damage your phone's battery?
Every lithium-ion battery wears out. Phone makers build fast charging around that fact, and what they warn owners about is heat and long hours at full charge.