Traveling without a power bank has become about as unthinkable as forgetting your charger at home. Your phone is used for boarding passes, maps, hotel bookings, and entertainment, which means the battery often has a lot to do during the trip.
At the same time, rules for lithium batteries have become increasingly strict. From April 2026, several airlines and aviation authorities have tightened their guidelines for power banks in the cabin. That doesn’t mean you have to leave your power bank at home, but it’s a good idea to know the limits before you pack your bag.

The most important rules for power banks on flights
The perhaps most important rule is that power banks must always be carried in your hand luggage. They may not be placed in checked baggage, because lithium batteries can pose a fire risk if something goes wrong.
For most travelers, the 100 Wh limit is what matters most. Power banks below this level are normally allowed on virtually all major airlines. Models between 100 and 160 Wh often require special airline approval, while larger batteries are usually not allowed at all.
What do Wh and mAh actually mean?
Many manufacturers market their power banks in mAh, or milliampere-hours. Airlines, however, use watt-hours, or Wh, when stating their rules.
As a rule of thumb, a standard 10,000 mAh power bank is roughly 37 Wh, while a 20,000 mAh model is around 74 Wh. A larger 27,000 mAh model comes in just under the key 100 Wh limit, which is why many manufacturers choose that exact capacity.
|
Capacity |
Approx. Wh |
Flight status |
|---|---|---|
|
10,000 mAh |
37 Wh |
Allowed |
|
20,000 mAh |
74 Wh |
Allowed |
|
27,000 mAh |
99.9 Wh |
Allowed |
|
Over 100 Wh |
Varies |
May require approval |
Which power bank suits which trip?
For a weekend trip or a few days in the city, a 10,000 mAh model is often more than enough. You can charge most smartphones once or twice without trouble and avoid carrying unnecessary weight.

If you’re flying long haul or working on the move, a larger model can be worth the investment. A 20,000 mAh power bank or larger can keep your phone, tablet, and headphones going through a long travel day. For photographers, content creators, and digital nomads, the largest models are often the most practical choice, since they can handle several devices at once.
Features worth looking for
Capacity matters, but several other details can make a big difference in everyday use. USB-C Power Delivery fast charging has almost become a must today, especially if you use a modern phone, tablet, or laptop.
It’s also wise to choose a model with UN38.3 certification. This certification shows that the battery meets international transport requirements for lithium batteries. If you use an iPhone, MagSafe compatibility can be an extra bonus, since charging becomes much easier while traveling.
Three models to take a closer look at
If you want a compact travel solution, Alogic Lift is an interesting option. It combines wireless charging with a convenient form factor that works well for shorter trips and everyday use.
If you need more capacity, Alogic Ruck is a strong choice for longer flights. Its larger battery reserve lets you charge several devices on the same trip without having to hunt for wall outlets at airports and hotels.

For professional users and longer work trips, there is Alogic Ark with 27,000 mAh. It sits just below the important 100 Wh limit and offers maximum capacity without causing problems at security.
Summary
The rules for power banks on flights are actually fairly simple once you know them. Always keep your power bank in your hand luggage and pay attention to the Wh rating. If you choose a model under 100 Wh, you normally won’t run into any problems with most airlines.
For most travelers, the choice then mainly comes down to how much capacity is needed. A smaller model is perfect for shorter trips, while larger options provide extra peace of mind when flight days are long and access to power outlets is limited.
FAQ
Can you bring a power bank on a flight in 2026?
Yes, but it must be carried in your hand luggage and follow the airline’s battery rules.
Can you put a power bank in checked baggage?
No, lithium-based power banks should normally not be placed in checked baggage.
What is the 100 Wh rule?
Power banks under 100 Wh are normally allowed without special permission on most airlines.
Can you use your power bank on board?
It varies by airline, but many allow use as long as the device is used safely.
How do I know how many Wh my power bank has?
Many manufacturers list Wh directly on the product. Otherwise, you can usually find the information in the specifications.