Will it fly?
Can you bring Fuel Cells Used to Power Portable Electronic Devices and Spare Fuel Cell Cartridges (Flammable Liquid/Corrosive Material) on a plane?
Coop checked the book. Here's the ruling for Fuel Cells Used to Power Portable Electronic Devices and Spare Fuel Cell Cartridges (Flammable Liquid/Corrosive Material):
CARRY-ON
Yes (Special Instructions)
CHECKED BAG
Yes (Special Instructions)
What the TSA says
Two spare fuel cell cartridges may be carried. See the FAA Regulations for more information on quantity limits. For international flights check with your airline as international regulations may vary from domestic regulations.
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Based on official TSA guidance. The final decision rests with the TSA officer at the checkpoint.