832 

49 CFR Ch. I (10–1–18 Edition) 

§ 175.10 

be carried per person as spare batteries 
in carry-on baggage. 

(iii) For a non-spillable battery, the 

battery and equipment must conform 
to § 173.159a(d). Each battery must not 
exceed a voltage greater than 12 volts 
and a watt-hour rating of not more 
than 100 Wh. No more than two individ-
ually protected spare batteries may be 
carried. Such equipment and spare bat-
teries must be carried in checked or 
carry-on baggage. 

(iv) Articles containing lithium 

metal or lithium ion cells or batteries 
the primary purpose of which is to pro-
vide power to another device must be 
carried as spare batteries in accordance 
with the provisions of this paragraph. 

(19) Except as provided in § 173.21 of 

this subchapter, battery-powered port-
able electronic smoking devices (e.g., 
e-cigarettes, e-cigs, e-cigars, e-pipes, e- 
hookahs, personal vaporizers, elec-
tronic nicotine delivery systems) when 
carried by passengers or crewmembers 
for personal use must be carried on 
one’s person or in carry-on baggage 
only. Spare lithium batteries also must 
be carried on one’s person or in carry- 
on baggage only and must be individ-
ually protected so as to prevent short 
circuits (by placement in original re-
tail packaging or by otherwise insu-
lating terminals, e.g., by taping over 
exposed terminals or placing each bat-
tery in a separate plastic bag or protec-
tive pouch). Each lithium battery must 
be of a type which meets the require-
ments of each test in the UN Manual of 
Tests and Criteria, Part III, Subsection 
38.3. Recharging of the devices and/or 
the batteries on board the aircraft is 
not permitted. Each battery must not 
exceed the following: 

(i) For lithium metal batteries, a 

lithium content of 2 grams; or 

(ii) For lithium ion batteries, a Watt- 

hour rating of 100 Wh. 

(20) Fuel cells used to power portable 

electronic devices (

e.g., 

cameras, cel-

lular phones, laptop computers and 
camcorders) and spare fuel cell car-
tridges when transported personal use 
under the following conditions: 

(i) Fuel cells and fuel cell cartridges 

may contain only Division 2.1 liquefied 
flammable gas, or hydrogen in a metal 
hydride, Class 3 flammable liquid (in-
cluding methanol), Division 4.3 water- 

reactive material, or Class 8 corrosive 
material; 

(ii) The quantity of fuel in any fuel 

cell or fuel cell cartridge may not ex-
ceed: 

(A) 200 mL (6.76 ounces) for liquids; 
(B) 120 mL (4 fluid ounces) for lique-

fied gases in non-metallic fuel cell car-
tridges, or 200 mL (6.76 ounces) for liq-
uefied gases in metal fuel cell car-
tridges; 

(C) 200 g (7 ounces) for solids; or 
(D) For hydrogen in metal hydride, 

the fuel cell cartridges must have a 
water capacity of 120 mL (4 fluid 
ounces) or less; 

(iii) No more than two spare fuel cell 

cartridges may be carried by a pas-
senger or crew member as follows: 

(A) Fuel cell cartridges containing 

Class 3 flammable liquid (including 
methanol) and Class 8 corrosive mate-
rial in carry-on or checked baggage; 
and 

(B) Division 2.1 liquefied flammable 

gas or hydrogen in a metal hydride and 
Division 4.3 water-reactive material in 
carry-on baggage only; 

(iv) Fuel cells containing fuel are 

permitted in carry-on baggage only; 

(v) Fuel cell cartridges containing 

hydrogen in a metal hydride must meet 
the requirements in § 173.230(d) of this 
subchapter; 

(vi) Refueling of a fuel cell aboard an 

aircraft is not permitted except that 
the installation of a spare cartridge is 
allowed; 

(vii) Each fuel cell and fuel cell car-

tridge must conform to IEC 62282–6–100 
and IEC 62282–6–100 Amend. 1 (IBR; see 
§ 171.7 of this subchapter) and must be 
marked with a manufacturer’s certifi-
cation that it conforms to the speci-
fication. In addition, each fuel cell car-
tridge must be marked with the max-
imum quantity and type of fuel in the 
cartridge; 

(viii) Interaction between fuel cells 

and integrated batteries in a device 
must conform to IEC 62282–6–100 and 
IEC 62282–6–100 Amend. 1 (IBR, see 
§ 171.7 of this subchapter). Fuel cells 
whose sole function is to charge a bat-
tery in the device are not permitted; 
and 

(ix) Fuel cells must be of a type that 

will not charge batteries when the con-
sumer electronic device is not in use 

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