Can I Take Lithium Batteries On a Plane 2024?

If you are going away for a vacation or a trip and want to enjoy using your electronic devices, you will certainly need batteries to power them.

But are lithium batteries safe to take on planes?

Here is a quick answer: taking dry batteries on airplanes are permitted on most airlines, but uninstalled Lithium and lithium ion batteries are banned from checked baggage, you can only take one spare piece (separated ) of lithium batteries in carry-on not exceeding 100 watt hours, or two spare batteries, not exceeding 160 watt hours each and with the airline approval.

Use this ultimate guide to get ready for your next flight when traveling with lithium batteries or electronics.

Let’s dive right in to the details.

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Amazon Basics 8 Pack 9 Volt Performance All-Purpose Alkaline Batteries/ Courtesy of Amazon

Going Through The TSA Security Checkpoint With Batteries

The Transportation Security Administration (TSA) are the guys in charge to keep passengers safe by screening them and their belongings within and from the U.S airports .

And according to the TSA dry batteries are good to go in both carry-on and checked baggage, without any restrictions.

But lithium batteries with more than 100 watt hours may be allowed in carry on baggage only with airlines approval, but not inside your checked baggage.

Lithium batteries may catch fire and get overheated at any time.

Can you take batteries on a plane-TSA
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The TSA will make an exception and let passengers take banned batteries, like wet batteries or any batteries with liquids if they power a wheelchair or any other assistive or mobility device.

Can I take Lithium Batteries In Carry-on?


Lithium batteries with 100 watt hours or less inside advice are allowed in carry on baggage.

And according to FAA spare (uninstalled) lithium ion and lithium metal batteries, including power banks and cell phone battery charging cases, must be transported in your carry-on bag or personal item. if it happens and your carry on will be checked at the gate, you will be required to remove all batteries and take them onboard.

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When taking your lithium batteries in carry-on (separated), take a look at the battery terminals and make sure they are not in contact with other metals or with other battery terminals.

Lithium batteries with 100 watt hours or less inside the device are advised if you bring them also in carry-on baggage.

Taking Lithium Batteries In Checked Luggage

Taking dry batteries like a AA 1.5V LR6 AM-3 Alkaline Dry Battery in checked baggage are allowed without any restrictions, but they must be packed and protected in a correct way.

However lithium batteries, like Energizer 9V Batteries, Ultimate Lithium are only allowed in carry on baggage.

close up photo of batteries
Photo by Hilary Halliwell on

FAQs About Lithium Batteries

Q: How Do I Know If I Have a Lithium Battery?

A: Let’s first see the difference between Lithium and lithium-ion
Here is a simple definition to better understand the difference, Lithium batteries are primary cell batteries, meaning you can recharge them if they are empty, while Lithium-ion batteries are secondary cells, meaning you can recharge them and use them many times as they still operate well.
Another way if you are still confused, Packaging; take a quick look at the packaging of your item and it will indicate if it is a lithium battery or not.
If you can access the battery the manufacturer will put all the necessary info on it, in addition of proper use and actions for your safety.

Q: Why Are Batteries Not Allowed In Checked Luggage?

A: To avoid fire and related incidents, the FAA (Federal Aviation Administration), has put several precautions and guidelines, along with the TSA to avoid any possible danger that can be caused by some items like lithium batteries.
Lithium batteries are so powerful, and potentially they can explode in a hot environment or if they are recharged repeatedly, something called dendrites may form and can trigger a short circuit, causing the battery to catch a fire and even explode.
Lithium ion batteries supply power to many kinds of devices, including smart phones, laptops, e-bikes, scooters, e-cigarettes, smoke alarms, toys, and even cars. Like any product, a small number of these batteries can be defective and cause a fire.
Not just on airplanes that we should pay attention, but it is always a good idea to know some best practices to store lithium batteries and avoid any potential danger.

Q: What Is a 100 Watt-hour Battery?

A: Most Airlines stated that you can bring a100 watt-hour lithium battery in carry-on baggage, and here is what it means.
a 100 Watt-hour battery can deliver 100 watt power for 1 hour, 20 watt power for 5 hours, you can check this detailed guide to better understand battery capacity measure unit on Bixpower.

Q: Can Toys With Batteries Can Be Checked in?

A: Yes toys with traditional non-rechargeable batteries are allowed in carry on and checked baggage.
If your toy uses Rechargeable batteries, they may are Lithium ion batteries, and they must not go in checked baggage.

Final Thoughts

Even though lithium batteries is a double-edged swords, there are not many battery incidents, and this is why the TSA and most air travel authorities do allow them on planes.

and when practicing battery safety and packing your batteries properly there will not be any worries.

We hope this answers all your questions about taking batteries on a plane.

Happy travels.

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