I heard that you are not allowed to bring any extra li-ion batteries in your carry on anymore. The batteries must be installed in the device. I hope you didn't find this out the hard way!
According to the FAA, most laptop lithium-ion batteries ARE allowed in carry-on baggage, and in addition to the battery in the laptop, passengers can carry on up to two extended-life li-ion spares. See here for the notice.
Interestingly, spare lithium-ion batteries are NOT allowed in CHECKED luggage.
I heard that you are not allowed to bring any extra li-ion batteries in your carry on anymore. The batteries must be installed in the device. I hope you didn't find this out the hard way!
Dreams Unlimited Travel is committed to providing you with the very best vacation planning experience possible. Our Vacation Planners are experts and will share their honest advice to help you have a magical vacation.