Chargers are generally allowed on planes, but specific types like power banks have strict carry-on rules for safety.
Keeping our devices powered up while traveling is essential for navigation, communication, and capturing memories. Understanding the rules for bringing chargers and power banks on a flight helps prevent delays and ensures a smooth journey. Let’s clarify what you can pack and where, so your gadgets stay charged from takeoff to landing.
The Basics: Chargers vs. Power Banks
It’s helpful to distinguish between different types of charging devices, as regulations vary significantly. A “charger” typically refers to the wall adapter and USB cable used to plug a device into an electrical outlet. These are generally simple power transformers and cables.
A “power bank,” on the other hand, is a portable battery pack designed to store electrical energy and recharge devices on the go. Power banks contain lithium-ion batteries, which are subject to specific aviation safety regulations due to their potential fire risk.
Wall Chargers and Cables
Standard wall chargers, USB cables, and car chargers are not restricted items. You can pack these in either your carry-on bag or your checked luggage without issue. They do not contain internal batteries that pose a significant safety risk during flight. Many travelers prefer to keep a basic phone charger in their carry-on for use during layovers or immediately upon arrival.
Power Banks and Portable Chargers
Power banks, along with spare lithium-ion batteries of any kind, must always be placed in your carry-on bag. They are strictly prohibited in checked luggage. This rule exists because if a lithium-ion battery overheats or short-circuits, it can cause a fire that is difficult to detect and extinguish in the cargo hold. In the aircraft cabin, a crew member can more quickly identify and address any potential incident.
Understanding Lithium-Ion Battery Rules
The core of charger regulations revolves around lithium-ion batteries. These batteries power most modern portable electronics and power banks. Their high energy density, while convenient, also presents a risk of thermal runaway, where a battery overheats and can catch fire.
The TSA explicitly states that devices containing lithium metal or lithium-ion batteries (including power banks and portable chargers) are only allowed in carry-on bags. This rule applies universally to all flights, including domestic and international routes.
Watt-Hour (Wh) Limits Explained
Beyond being in carry-on, power banks also have watt-hour (Wh) limits. Watt-hours indicate the energy capacity of a battery. You’ll typically find this rating printed on the power bank itself.
- Under 100 Wh: Most common power banks fall into this category (e.g., 20,000 mAh at 3.7V is approximately 74 Wh). You can bring an unlimited number of these in your carry-on for personal use.
- Between 100 Wh and 160 Wh: You are allowed to bring a maximum of two spare batteries or power banks in this range. Airline approval is often required, so it’s wise to check with your carrier beforehand. These must also be in your carry-on.
- Over 160 Wh: Power banks exceeding 160 Wh are generally forbidden on passenger aircraft, whether in carry-on or checked luggage. These high-capacity batteries are typically found in specialized equipment, not standard consumer power banks.
If your power bank only lists milliamp-hours (mAh), you can convert it to Wh using the formula: (mAh V) / 1000 = Wh. The voltage (V) is usually 3.7V for most portable electronics.
Protecting Spare Batteries
When carrying spare batteries or power banks, it’s important to protect them from short circuits. This means keeping them in their original retail packaging, or if not available, taping over the terminals, or placing each battery in its own protective pouch or plastic bag. Do not let loose batteries touch other metal objects like keys or coins.
| Charger Type | Carry-On Baggage | Checked Baggage |
|---|---|---|
| Wall Charger (e.g., phone, laptop) | Allowed | Allowed |
| USB Cable | Allowed | Allowed |
| Car Charger | Allowed | Allowed |
| Power Bank (<100 Wh) | Allowed (unlimited for personal use) | Strictly Prohibited |
| Power Bank (100-160 Wh) | Allowed (max 2, airline approval often needed) | Strictly Prohibited |
| Power Bank (>160 Wh) | Prohibited | Prohibited |
Packing Your Chargers: Best Practices
Efficient packing of your charging gear can save you time and hassle at security checkpoints and during your trip.
- Organize Cables: Use cable ties, Velcro straps, or small pouches to keep cables neatly coiled and prevent tangles. This makes them easier to find and reduces clutter in your bag.
- Dedicated Pouch: A small, dedicated electronics pouch or organizer for all your chargers, adapters, and cables keeps everything in one place. This is especially useful for carry-on bags, as you might need to remove electronics for screening.
- Accessibility: If you plan to use a power bank or charge devices during a layover, keep these items in an easily accessible part of your carry-on.
- Consolidate: If you have multiple devices from the same brand, they might share a common charging cable (e.g., USB-C). Bring fewer cables by consolidating where possible.
International Travel Considerations
When flying internationally, charger compatibility extends beyond just airline rules to the electrical systems of your destination country. The FAA provides general guidance on hazardous materials, but specifics on international power standards are crucial for travelers.
Voltage and Plug Adapters
Most modern phone and laptop chargers are “dual voltage” or “universal voltage,” meaning they can handle input voltages from 100V to 240V, which covers most countries worldwide. Check the small print on your charger; it will usually state “Input: 100-240V.” If your charger is dual voltage, you will only need a plug adapter to fit the local wall sockets.
If your device is not* dual voltage (common for older appliances or specialized electronics), you would need a voltage converter in addition to a plug adapter. Using a non-dual voltage device with only a plug adapter in a country with a different voltage can damage your device or create a fire hazard.
Plug Types
Different countries use various plug shapes and sizes. Research the plug type used in your destination(s) and purchase the appropriate adapter(s) before you leave. Universal travel adapters with multiple plug configurations are a convenient option for multi-country trips.
| Plug Type | Common Regions | Voltage Range |
|---|---|---|
| Type A/B (Flat Parallel/Ground Pin) | North America, Japan, parts of Central/South America | 100-127V |
| Type C/F (Two Round Pins/Schuko) | Europe, Russia, parts of Asia/Africa | 220-240V |
| Type G (Three Rectangular Pins) | United Kingdom, Ireland, Hong Kong, Singapore | 230V |
| Type I (Three Flat Pins in V-shape) | Australia, New Zealand, China, Argentina | 230-240V |
| Type J (Three Round Pins) | Switzerland, Liechtenstein | 230V |
| Type L (Three Round Pins in a Row) | Italy, Chile, Uruguay | 220-240V |
Common Types of Chargers and Their Rules
Let’s look at specific charging devices you might carry:
- Phone Chargers: Wall adapters and USB cables for phones are allowed in both carry-on and checked bags.
- Laptop Chargers: These are also permitted in both carry-on and checked luggage.
- Camera Battery Chargers: If it’s just the charger (without the battery), it can go in either bag. Spare camera batteries, however, must always be in your carry-on, following the Wh limits.
- E-cigarette/Vape Chargers: E-cigarettes and vaping devices themselves, which contain lithium-ion batteries, must be in carry-on bags. Their chargers, if separate from the device, can be in either bag.
- Portable Gaming Device Chargers: Chargers for devices like Nintendo Switch or Steam Deck are fine in either bag. The devices themselves, with their integrated batteries, should be in carry-on.
What About Devices with Integrated Batteries?
Many of our essential travel items, like laptops, tablets, e-readers, and phones, have built-in lithium-ion batteries. These devices are generally allowed in both carry-on and checked luggage. However, for safety and security, it’s highly recommended to carry them in your carry-on bag.
When packing devices with integrated batteries in checked luggage, ensure they are completely powered off (not just in sleep mode) to prevent accidental activation. Some airlines may have specific recommendations or requirements for these items in checked bags, so a quick check of your airline’s policy is always a good idea.
Staying Charged During Your Flight
Many modern aircraft offer in-flight power options, allowing you to charge your devices during the journey. These can include USB ports or standard AC power outlets (like those found at home). Availability varies by airline and aircraft type, so check with your airline or aircraft details if this is a priority.
While power banks are allowed in your carry-on, some airlines may restrict their use during flight, especially during takeoff and landing, or if they are charging a device. Always follow the instructions of the flight crew regarding the use of electronic devices and charging equipment.