From Delta Airlines website. Not sure of your airline but I’m guessing all will be similar. Worth a phone call.
Good Luck!
Flammable Liquids or Solids
The specific rules for carrying flammable liquids are as follows:
•A fuel lighter is permitted in your pocket or in carry-on baggage only
•Up to two lighters are allowed in your checked baggage if they are properly enclosed in a U.S. Department of Transportation approved case
•Lighters without fuel are allowed as checked or carry-on baggage
•Lighter refills, fuels (such as gasoline or Sterno cans), paints, stains, lubricants, and “strike-anywhere” matches are not allowed
•One regular matchbook is permitted in your pocket as long as it isn’t the “strike anywhere” matches
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Fuel Cell Systems
•Portable electronic devices (i.e. cameras, cellular phones, laptop computers, and camcorders) powered by fuel cell systems, and not more than two spare fuel cell cartridges per passenger when transported in carry-on baggage.
•No more than two spare fuel cell cartridges maybe carried by a passenger.
•Fuel cell systems containing fuel and fuel cell cartridges including spare cartridges are permitted in carry-on baggage only.
•Fuel cell cartridges may not be refillable by the user. Refueling the fuel cell systems is not permitted except that the installation of a spare cartridge is allowed.
•Each fuel cell cartridge and system must be durably marked by the manufacturer with the wording: “APPROVED FOR CARRIAGE IN AIRCRAFT CABIN ONLY”.