Travelling with fuel cells
Batteries and battery banks are not fuel cells. For additional information on travelling with batteries, please see the Travelling with batteries, power banks and battery-operated devices page.
Prohibited
These are not allowed:
- Fuel cells that only charge a battery in a device
 - Fuel cells that can charge the battery in a device when it is not in use
 - More than two spare fuel cell cartridges per person
 - Fuel cells containing fuel in checked-in baggage (but you can take them as carry-on)
 - Refuelling on the plane, unless you are simply installing a spare cartridge
 - Any fuel cells or cartridges that do not comply with the requirements below
 
Fuel cell and cartridge requirements
Fuel cells must be of a type that will not charge batteries when the portable electronic device is not in use. To be allowed in checked-in or carry-on baggage, a fuel cell or cartridge must meet these requirements.
Markings
Each fuel cell and cartridge must be marked by the manufacturer with:
- Certification that it conforms to IEC 62282-6-100 Ed. 1 including amendment 1
 - The maximum quantity and type of fuel it contains
 - The words 'APPROVED FOR CARRIAGE IN AIRCRAFT CABIN ONLY'
 
Types of fuel
These are the only fuel types allowed:
- Flammable liquids
 - Corrosive substances
 - Liquefied flammable gas
 - Water-reactive substances
 - Hydrogen in metal hydride
 
Amount of fuel
Fuel cells containing fuel are not allowed in checked-in baggage. Separate spare cartridges are allowed in checked-in baggage and carry-on baggage (up to two cartridges total per person).
For each type of fuel, here is the maximum amount a fuel cell or cartridge may contain:
- Liquids, 200ml
 - Solids, 200g
 - Liquefied gases in:
- non-metallic fuel cells or cartridges, 120ml
 - metal fuel cells or cartridges, 200ml
 
 
For hydrogen in metal hydride, the fuel cell cartridges must have a water capacity of 120ml or less.