Most travellers now fly with a number of battery-powered objects: a telephone, laptop computer, pill, digicam, headphones, smartwatch, transportable charger or vape. But packing one in every of them in the mistaken bag may cause actual issues on the airport.
In 2026, aviation security authorities are warning travellers to pay nearer consideration to lithium batteries after experiences that tens of millions of batteries are nonetheless being packed incorrectly. The largest mistake is straightforward: energy banks, transportable chargers and spare lithium batteries shouldn’t go in checked baggage.
They belong in your carry-on bag or private merchandise, the place they are often reached rapidly in the event that they overheat, smoke or catch fireplace. This issues much more when your carry-on will get taken away on the gate and despatched beneath the aircraft.
2026 Airline Battery Rules at a Glance
The most secure behavior is straightforward: energy banks, spare batteries and detachable batteries stick with you. Valuable electronics are normally higher in the cabin too.
Why Are Power Banks Not Allowed in Checked Luggage?
Power banks aren’t allowed in checked baggage as a result of they comprise lithium batteries that may overheat if broken, poorly packed, overcharged, uncovered to warmth or affected by a defect.
In uncommon instances, lithium batteries can enter thermal runaway. That means the battery heats quicker than it will possibly cool itself down. It might swell, smoke, burn or ignite.
If that occurs in the cabin, passengers and crew can spot the issue rapidly. Cabin crews are educated to reply to battery incidents. If the battery is hidden inside a suitcase in the cargo maintain, it’s a lot more durable to entry.
That is why this rule is not only airport pink tape. A small charger in the mistaken bag can change into a severe security situation.
What Batteries Should Never Go in Checked Luggage?
Before you verify a suitcase, search for something with a free, spare or detachable lithium battery.
These objects ought to keep in your carry-on or private merchandise:
Power banks
Portable telephone chargers
Spare lithium batteries
Spare digicam batteries
Spare drone batteries
Spare laptop computer batteries
Rechargeable battery packs
Phone battery charging instances
Removable smart-luggage batteries
Vapes and e-cigarettes, the place legally permitted
You also needs to think twice earlier than checking beneficial electronics with put in batteries, together with:
Phones
Laptops
Tablets
Cameras
Headphones
E-readers
Smartwatches
Handheld gaming units
Some airways might enable sure units with batteries put in in checked baggage if they’re fully powered off and shielded from harm. But for many travellers, the smarter alternative is to maintain electronics in the cabin.
Checked luggage get dropped, delayed, searched and infrequently despatched on their very own little trip. Your laptop computer doesn’t want that character-building expertise.
Spare Batteries vs. Batteries Installed in Devices
This is the place the foundations confuse a number of travellers.
A spare battery is any battery that isn’t put in contained in the system it powers. An influence financial institution additionally counts as a result of it’s an exterior battery used to cost different units.
A battery put in in a tool is totally different. This consists of the battery constructed into your telephone, laptop computer, pill, digicam, headphones or smartwatch.
The best rule to recollect is that this:
If the battery is free, detachable or used to cost one thing else, don’t verify it. The FAA’s lithium battery steerage says energy banks and spare lithium batteries should journey in carry-on baggage, not checked baggage.
What Happens If Your Carry-On Gets Checked on the Gate?
Gate-checking is among the best methods to by accident break the battery rule.
You might pack your energy financial institution accurately in your carry-on at residence. Then you attain the gate, the overhead bins are full and the agent tags your carry-on to go beneath the aircraft.
At that second, your carry-on has change into checked baggage.
Before handing it over, take away:
Power banks
Portable chargers
Spare batteries
Vapes or e-cigarettes, the place legally permitted
Medication
Travel paperwork
Valuables
Anything you can not afford to lose
The best system is to maintain all energy banks and spare batteries in one small pouch inside your private merchandise. If your curler bag will get gate-checked, you may take away the pouch in seconds as an alternative of digging by your suitcase whereas the boarding line provides you the collective demise stare.
What Is the 100 Wh Rule for Power Banks?
Airlines measure lithium-ion battery dimension in watt-hours, written as Wh.
Most normal telephone energy banks are underneath 100 Wh and are normally allowed in carry-on baggage. Larger batteries might require airline approval, and really massive batteries are usually not allowed in regular passenger baggage.
The 100 Wh rule issues most for giant laptop computer energy banks, skilled digicam gear, video gear and drone batteries.
A typical 10,000 mAh energy financial institution is usually round 37 Wh. A 20,000 mAh energy financial institution is usually round 74 Wh. Larger energy banks can get near the restrict, so verify earlier than you pack.
According to CATSA’s battery packing pointers, travellers ought to preserve batteries and digital units containing batteries in their carry-on baggage, keep away from broken or recalled batteries, and defend spare batteries from short-circuiting.
How to Find the Watt-Hours on a Power Bank
Look for the Wh score printed on the again, backside or aspect of the ability financial institution. Newer batteries usually present this quantity clearly.
If the label solely reveals mAh and volts, you may calculate watt-hours with this method:
Volts x amp-hours = watt-hours
Since 1,000 mAh equals 1 Ah, a 20,000 mAh energy financial institution is 20 Ah.
For instance:
3.7 volts x 20 Ah = 74 Wh
That would normally fall underneath the 100 Wh carry-on restrict.
If the label has rubbed off and the airline can not verify the battery score, the merchandise could also be refused. Do not depend on guessing on the airport.
Can Laptops, Phones and Tablets Go in Checked Luggage?
Laptops, telephones and tablets have batteries put in contained in the system, so they aren’t handled the identical means as free spare batteries or energy banks.
However, airline guidelines range. If an airline permits these units in checked baggage, they need to be fully powered off, shielded from harm and packed so they can not by accident activate.
That means totally powered off, not sleeping, hibernating or sitting there quietly planning to get up mid-flight.
In apply, preserve telephones, laptops and tablets in the cabin every time doable. They are beneficial, simple to break and sometimes important in case your checked bag is delayed.
Are Vapes Allowed in Checked Luggage?
No. Vapes and e-cigarettes shouldn’t be packed in checked baggage as a result of they comprise batteries. They ought to journey in the cabin and should not be used or charged in the course of the flight.
Rules for vaping merchandise additionally range by vacation spot, and a few nations limit or ban them. If an grownup is legally travelling with one, it nonetheless must comply with airline battery guidelines.
If you might be packing for another person, verify for these earlier than closing a checked suitcase. A vape tossed into checked baggage can create the identical battery situation as different lithium-powered units.
Can You Check Smart Luggage?
Smart baggage can normally be checked provided that the battery might be eliminated.
A sensible bag is baggage with built-in charging, monitoring or different battery-powered options. If the bag goes into the cabin and meets carry-on dimension limits, it might be accepted as a carry-on. If it needs to be checked, the battery should normally be eliminated and introduced into the cabin.
If the battery can’t be eliminated, the airline might refuse to just accept the bag as checked baggage.
Before travelling with good baggage, discover the battery compartment at residence. Do not wait till the check-in counter to find that the “removable” battery requires a tiny screwdriver, a prayer and the persistence of a saint.
Can You Pack Drones and Camera Batteries in Checked Luggage?
The drone or digicam physique could also be allowed in checked baggage by some airways, however spare lithium batteries ought to be eliminated and carried in the cabin.
Spare digicam batteries and drone batteries ought to be individually protected so the terminals can not contact metallic or one another. Use the unique packaging, a battery case, a protecting pouch or tape over uncovered terminals.
If you journey with a number of batteries for pictures or video work, verify your airline’s amount limits earlier than you fly. Battery guidelines might be stricter for skilled video gear and bigger drone batteries.
How to Pack Batteries Safely for a Flight
Loose batteries ought to by no means be thrown right into a bag with cash, keys, jewelry, cables or different metallic objects. Battery terminals can short-circuit in the event that they contact metallic.
Pack batteries safely by:
Keeping them in the unique packaging when doable
Covering uncovered terminals with tape
Using a battery case or sleeve
Keeping every battery separate
Storing them in a protecting pouch
Keeping them away from sharp or heavy objects
Packing them someplace simple to entry
This is very essential for digicam batteries, drone batteries and free rechargeable cells.
Do Not Fly With Damaged or Recalled Batteries
Do not journey with a battery that’s swollen, cracked, leaking, unusually scorching, broken or recalled.
A swollen energy financial institution is just not “probably fine.” It is a broken battery and ought to be taken to an acceptable recycling or disposal location.
Before flying with an older energy financial institution, verify the mannequin quantity and search for present recall notices from the producer or your authorities recall web site. Some recalled energy banks could also be prohibited onboard solely.
If a battery seems to be questionable, go away it at residence. Replacing a charger is cheaper than coping with a security incident on the airport.
What to Do If a Battery Overheats on the Plane
If a battery or system turns into scorching, begins swelling, smokes, sparks or smells unusual throughout a flight, inform the cabin crew instantly.
Do not put it in the overhead bin. Do not disguise it in a bag. Do not take it to the washroom. Cabin crew are educated to reply to battery incidents, however they should know straight away.
The aim is to not deal with the issue your self. The aim is to alert the individuals educated to take care of it.
Two-Minute Battery Check Before Every Flight
Before leaving for the airport, do that fast verify:
Find each energy financial institution, spare battery and battery-powered system.
Check every battery for swelling, cracks, warmth or harm.
Look for the Wh score.
Check for recollects if the battery is older or unfamiliar.
Put energy banks and spare batteries in your carry-on or private merchandise.
Protect free battery terminals.
Check the foundations for the airline working your flight.
Remove batteries earlier than gate-checking a carry-on bag.
This takes lower than two minutes and might stop a pulled bag, confiscated merchandise or airport delay.
Before You Check Your Bag: Battery Packing Checklist
Before you verify a suitcase or hand over a carry-on on the gate, be sure:
Power banks are in your carry-on
Portable chargers are in your carry-on
Spare batteries are in your carry-on
Vapes or e-cigarettes are in your carry-on, the place legally permitted
Battery terminals are protected
Watt-hours are checked
Damaged batteries are eliminated
Recalled batteries are left at residence
Smart-luggage batteries might be eliminated
Your battery pouch is simple to seize earlier than gate-checking
Final Advice
Before you verify any bag, open it and search for batteries.
Power banks, transportable chargers, spare batteries and detachable lithium batteries stick with you in the cabin. Phones, laptops, tablets and cameras are normally safer in your carry-on. If your carry-on will get taken on the gate, take away your battery pouch earlier than the bag goes beneath the aircraft.
The aim is to not cease travelling with electronics. The aim is to cease packing them on autopilot.
A two-minute battery verify earlier than each flight can save your bag, your gear and probably your journey day.