Yes, you can bring a portable charger through TSA security, but it has to stay in your carry-on bag

Portable chargers and power banks are allowed through TSA checkpoints. The rule is straightforward: they must go in your carry-on bag, not your checked luggage. TSA treats them as lithium batteries, which are permitted in carry-on but banned from checked bags because of fire risk in the cargo hold.

You can bring one portable charger through security without any special declaration or paperwork. TSA does not require you to remove it from your bag during screening — it will show up on the X-ray like any other electronic device. If the screener wants a closer look, they will ask you to take it out, but this is routine and not a problem.

The restriction exists because lithium batteries can overheat in unpressurized cargo holds. A fire in checked baggage is harder to detect and fight than one in the cabin, so the rule keeps the battery in a space where crew can respond if something goes wrong. Your carry-on stays with you or in the overhead bin, where the risk is manageable.

Key Takeaways

  • Portable chargers must travel in your carry-on bag, never in checked luggage.
  • You do not need to declare the charger or remove it from your bag during security screening.
  • The restriction applies to all lithium-ion and lithium-polymer batteries, which power most modern portable chargers.
  • Chargers with a capacity over 100 watt-hours (Wh) may face additional limits, though most consumer chargers fall well below this threshold.

Why portable chargers are treated differently than other electronics

TSA's rule on portable chargers comes from the Federal Aviation Administration (FAA), which sets the standards for what can fly. The FAA classifies lithium batteries as a hazardous material because they can catch fire if they short-circuit or are damaged. A fire in the cargo hold of a plane is catastrophic; a fire in the cabin is serious but manageable because crew can reach it.

This is why you can bring your phone, laptop, and tablet in checked bags — their batteries are built into the device and less likely to fail during flight. A standalone portable charger is a battery with minimal protection around it, so it poses a higher risk if something goes wrong during pressurization or turbulence.

The rule applies to all portable chargers, regardless of brand or size, as long as they contain a lithium battery. This includes power banks, external batteries for cameras, and backup batteries for phones and tablets.

What happens if your charger exceeds the watt-hour limit

Most portable chargers sold for phones and tablets have a capacity between 5,000 and 30,000 milliamp-hours (mAh), which translates to roughly 20 to 100 watt-hours (Wh). These are well within TSA and FAA limits. You will not encounter a problem with a standard phone charger.

Chargers rated above 100 Wh but below 160 Wh can sometimes be brought on board, but you need permission from the airline before you pack. Chargers above 160 Wh are not allowed on any commercial flight. If you own a very large power bank — the kind designed for laptops or camping — check its watt-hour rating on the label or manual before you travel.

If you are unsure about your charger's capacity, contact your airline before your flight. They can tell you whether it is within limits. Most chargers you buy for a phone will not require this step.

Damaged or recalled chargers cannot fly

A charger with visible damage — a cracked case, a bent connector, or signs of overheating — should not go through security. TSA screeners may confiscate it, and even if they do not, flying with a damaged battery increases the risk of failure at altitude.

If your charger has been recalled by the manufacturer, do not bring it. Check the Consumer Product Safety Commission (CPSC) website or the manufacturer's website to see if your model is on a recall list. Recalls are usually issued because of fire or explosion risk, and TSA will stop you if they identify a recalled model.

If a screener confiscates your charger, you can ask for it back after your trip, but TSA does not always return items. It is better to leave a questionable charger at home than to lose it at the checkpoint.

International flights have stricter rules

If you are flying internationally, check the rules for your destination country. Some nations have stricter limits on lithium batteries than the United States does. The European Union, for example, has different rules for large power banks, and some Asian countries have their own restrictions.

Your airline's website will list the rules for your specific route. If you are unsure, call the airline directly — they can tell you what is allowed on your outbound flight and what is allowed on your return flight, since the rules may differ by country.

When you arrive at your destination, the same rule applies: your charger stays in your carry-on when you fly home. You cannot move it to checked luggage just because you are leaving the United States.

What to do if TSA stops you at the checkpoint

If a TSA screener flags your charger, stay calm and explain that it is a portable battery for your phone or tablet. Screeners see these items constantly and know the rules. If the charger is within limits and not damaged, the screener will almost certainly let it through.

If the screener says it cannot fly, ask why. If it is because of capacity, you can leave it with a friend or family member who is not flying, or you can ask TSA where to dispose of it safely. If it is because of damage or a recall, accept the decision — the restriction exists for safety.

You do not need to argue or escalate. TSA's decision at the checkpoint is final, and screeners have the authority to confiscate items they believe pose a risk. If you believe the decision was wrong, you can file a complaint with TSA after your trip, but this will not get your charger back.

Frequently Asked Questions

Can I bring multiple portable chargers?

Yes. TSA does not limit the number of portable chargers you can bring in your carry-on, as long as each one is within the watt-hour limit. Most travelers bring one or two, but there is no rule against bringing more if you need them.

What if I forgot my charger and want to buy one at the airport?

You can buy a portable charger at airport shops after you pass through security. It will then be in your carry-on for the flight, which is where it needs to be. Airport chargers are usually more expensive than retail prices, but they are the same product.

Do I need to turn off my charger or remove the battery before flying?

No. You do not need to power it down or disassemble it. Just pack it in your carry-on and let it go through the X-ray machine like any other device. TSA does not require any special preparation for portable chargers.

Can I use my portable charger during the flight?

Most airlines allow you to use a portable charger to charge your phone or tablet during the flight, as long as you are not using an outlet that is reserved for crew. Check with your airline about their specific policy, but most do not restrict this.

What about solar chargers or hand-crank chargers?

Solar chargers and hand-crank chargers that do not contain a lithium battery are not subject to the same restrictions. However, if they have a built-in lithium battery for storage, they follow the same rules as a portable charger. Check the product label to see what type of battery it uses.