
Bringing batteries through airport security can be a tricky question, as there are several types of batteries, and different countries and airlines have different rules. However, most batteries for personal use are allowed in carry-on luggage, and some types of batteries are also permitted in checked baggage. The key considerations are the type of battery, its watt hours (Wh), and whether it is installed in a device or a spare.
| Characteristics | Values |
|---|---|
| Batteries allowed in carry-on baggage | Dry cell alkaline batteries (AA, AAA, C, D, 9-volt, button-sized cells, etc.), dry cell rechargeable batteries (Nickel Metal Hydride (NiMH) and Nickel Cadmium (NiCad)), lithium-ion batteries (rechargeable lithium, lithium polymer, LIPO, secondary lithium), consumer-sized lithium-ion batteries (no more than 8 grams of equivalent lithium content or 100 Wh per battery) |
| Batteries allowed in checked baggage | Lithium-ion batteries with 100 Wh or less, only when attached to a device. Electronics containing lithium batteries like laptops are allowed but the FAA recommends carry-on baggage. |
| Batteries prohibited in carry-on and checked baggage | Car batteries, wet batteries, spillable batteries (unless used for a scooter or wheelchair) |
| Batteries prohibited in checked baggage | Spare lithium batteries, power banks, e-cigarettes |
| Other | Batteries in mobility devices (e.g. wheelchairs) and medical devices are allowed without any watt-hour (Wh) limit. You may also bring one spare battery, up to 300 Wh. |
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What You'll Learn
- Lithium-ion batteries are allowed in carry-on luggage, but not checked baggage
- Devices with lithium-ion batteries can be in carry-on or checked baggage
- Power banks and e-cigarettes must be in carry-on luggage only
- Spare batteries should be in carry-on baggage and protected from damage
- Batteries for medical devices like pacemakers are allowed without watt-hour limits

Lithium-ion batteries are allowed in carry-on luggage, but not checked baggage
Lithium-ion batteries are generally allowed in carry-on luggage, but there are some restrictions to be aware of. Firstly, the batteries should have 100 watt hours or less. Secondly, spare lithium-ion batteries are not allowed in checked baggage and must be carried in your hand luggage. This is because lithium-ion batteries pose a fire risk, and in the cabin, airline crews can better monitor conditions and address any issues if a fire does occur.
If you are carrying a device with a lithium-ion battery, such as a laptop or smartphone, you can generally take it in your carry-on or checked baggage. However, it is recommended to put these devices in your carry-on luggage. Before takeoff and landing, you should turn these devices off or set them to "aeroplane mode". Additionally, some airlines may require approval for larger lithium-ion batteries, typically those between 100 and 160 watt hours.
It is important to note that batteries for medical devices, such as CPAP machines and pacemakers, are allowed without any watt-hour limit. You may also bring one spare battery of up to 300 watt-hours through security, but you must inform your airline in advance and notify the screening officer upon arrival.
To prevent short circuits and ensure safe handling of lithium-ion batteries, follow these guidelines:
- Place each battery in a separate plastic bag or protective pouch.
- Avoid storing batteries in overhead bins or checked baggage.
- Do not charge your devices onboard.
- Tape over exposed battery terminals.
- If carrying a battery-powered device in checked baggage, package it in a protective case and tape the on/off switch in the "off" position.
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Devices with lithium-ion batteries can be in carry-on or checked baggage
Devices with lithium-ion batteries, such as laptops, smartphones, and other small electronic devices, can be brought on board in carry-on baggage. However, it is recommended that you turn them off or put them in "aeroplane mode" during takeoff and landing. If you are bringing spare batteries, they must be placed in your carry-on baggage. This is because checked baggage is vulnerable to rough handling and temperature changes, which may damage the batteries.
Some airlines may require approval for larger lithium-ion batteries, typically those between 100 and 160 watt-hours (Wh). It is important to check with your airline before your flight to ensure you comply with their specific policies.
In general, batteries with a watt-hour rating of 100 or less are typically allowed in carry-on baggage. Batteries with a watt-hour rating of over 160 Wh are prohibited as carry-on or checked baggage.
Additionally, smart luggage that is carry-on sized is allowed in the cabin, but the battery must be removed and brought into the cabin separately. This is because batteries pose a fire risk, and in the cabin, airline crews can better monitor conditions and address any issues if a fire occurs.
It is also important to note that batteries for medical devices, such as CPAP machines and pacemakers, are allowed without any watt-hour limit. However, it is recommended to inform your airline in advance and notify the screening officer upon arrival at the checkpoint.
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Power banks and e-cigarettes must be in carry-on luggage only
When it comes to bringing batteries through airport security, it's important to follow guidelines to ensure safety for everyone on board. Power banks and e-cigarettes are among the items that require special attention and must be placed in carry-on luggage only. Here are the reasons why:
Firstly, power banks and e-cigarettes are typically powered by lithium-ion batteries, which have been flagged as a potential safety hazard by aviation authorities. Lithium-ion batteries have been known to overheat, catch fire, or experience a dangerous evolution of heat in rare cases. As a result, many airlines have implemented restrictions on their transport, and it is safer to carry them in the cabin, where any potential issues can be quickly addressed by the flight crew.
Secondly, power banks and e-cigarettes often have specific watt-hour (Wh) limitations. Most airlines follow the International Air Transport Association (IATA) guidelines, which usually allow power banks up to 100Wh without special approval. However, batteries exceeding 100Wh may require airline approval, and there are varying restrictions across airlines, so it is crucial to stay informed about their specific policies.
Additionally, when packing power banks and e-cigarettes in your carry-on luggage, ensure they are individually protected to prevent short circuits. Place each battery in a separate plastic bag or protective pouch. Avoid charging these devices onboard, as many airlines prohibit this practice. It is recommended to fully charge them before your flight and carry extra power banks if needed.
Lastly, it's important to note that damaged, defective, or recalled batteries should not be carried on the plane. Always ensure that your power banks and e-cigarettes are in proper working condition before your travel, and if you must carry a battery-powered device in your checked baggage, take the necessary precautions to prevent accidental activation.
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Spare batteries should be in carry-on baggage and protected from damage
When travelling with batteries, it is important to understand the regulations regarding battery transportation, which can vary depending on the type of battery and the airline. Most batteries for personal use are allowed in carry-on baggage and through airport security checkpoints. However, it is recommended to keep them in carry-on baggage whenever possible. This is because, in the cabin, airline crews can better monitor conditions and address any issues, such as fires, that may occur.
Spare batteries, in particular, should typically be placed in carry-on baggage. This is to prevent short circuits and reduce the risk of damage. Spare lithium batteries, for instance, are prohibited in checked baggage due to safety concerns. If you must carry a battery-powered device in your checked baggage, be sure to package it securely to prevent it from turning on accidentally. Place tape over the battery's contact points and set the device to "off" or "sleep" mode.
To ensure the safe transportation of spare batteries in carry-on baggage, there are several precautions you can take. Firstly, inform your airline in advance and notify the screening officer upon arrival at the checkpoint. This is especially important if you are travelling with batteries for mobility devices or medical devices, as these may have different guidelines. Additionally, consider placing each battery in a separate plastic bag or protective pouch to prevent short circuits. Tape can also be used to cover exposed terminals.
It is also crucial to avoid carrying damaged or recalled batteries on the plane. Batteries that have been recalled often pose safety risks, such as the potential for overheating or catching fire. By following these guidelines and staying informed about airline policies and regulations, you can ensure compliance and safety when travelling with spare batteries.
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Batteries for medical devices like pacemakers are allowed without watt-hour limits
When it comes to travelling with batteries, it's important to adhere to safety guidelines to prevent any fire-related incidents. While battery-related rules vary across airlines, batteries for medical devices like pacemakers are generally allowed without watt-hour limits. This means that if you're travelling with a pacemaker or similar medical device, you won't need to worry about restrictions on battery power.
- No Watt-Hour Limit: Batteries for medical devices like pacemakers are exempt from watt-hour restrictions. This means you can bring these batteries without worrying about any power limitations.
- Carry-On Baggage: It is recommended that you carry your medical device and its batteries with you in your carry-on baggage. This allows easy access and better monitoring by the airline crew in case of any issues.
- Inform the Airline: While not always necessary, it is a good idea to inform your airline in advance about your medical device and its batteries. This ensures they are aware and can provide any necessary assistance.
- Device Power: Make sure your medical device is powered on. Airport security officers may ask you to turn on electronic devices, and powerless devices may not be permitted onboard.
- Spare Batteries: If you need to bring spare batteries for your medical device, follow the guidelines for spare lithium-ion batteries. These are typically allowed in carry-on baggage, but it's best to check with your airline.
- Battery Protection: To prevent short circuits, place each battery in a separate plastic bag or protective pouch. This is a recommended practice for all lithium-ion batteries.
- Battery Storage: Keep batteries in their original retail packaging whenever possible. If unavailable, insulate battery terminals to prevent unintentional activation or short-circuiting.
By following these guidelines, you can ensure a smooth travel experience with your medical device and its batteries. Remember to stay informed about any updates to airline policies regarding batteries, as regulations can change. Safe travels!
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Frequently asked questions
Yes, you can bring most batteries for personal use in your carry-on luggage. This includes dry cell alkaline batteries (AA, AAA, C, D, 9-volt, etc.), dry cell rechargeable batteries (Nickel Metal Hydride, Nickel Cadmium), and lithium-ion batteries (rechargeable lithium, lithium polymer, etc.).
Lithium-ion batteries have more restrictions. Those with 100 watt hours or less are typically allowed in carry-on luggage. Batteries between 100Wh and 160Wh may require airline approval. Spare lithium batteries are generally prohibited in checked baggage and must be protected from damage and short circuits in carry-on luggage.
Batteries for medical devices, such as CPAP machines and pacemakers, are allowed without any watt-hour limit. You may also bring one spare battery of up to 300Wh. Inform your airline in advance and notify the screening officer upon arrival.

















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