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United power bank rules: up to 2

United power bank rules: Up to 2 portable chargers per passenger. Not allowed in checked baggage (including power banks installed in smart bags).

How many: Up to 2 portable chargers per passenger. In checked bags: Not allowed in checked baggage (including power banks installed in smart bags). Using it on board: Do not recharge the portable charger using aircraft power during the flight. Where to keep it: Keep it on you or in your personal item; do not put it in the overhead bin. Of the 99 airlines flying to Japan on this site, 77 say a power bank is not to be used on board. (United's official pages, checked on 3 October 2026.)

United power bank rules: size, number and where to keep it

In checked bags
Not allowed in checked baggage (including power banks installed in smart bags)
How many
Up to 2 portable chargers per passenger
Using it on board
Do not recharge the portable charger using aircraft power during the flight
Where to keep it
Keep it on you or in your personal item; do not put it in the overhead bin
Packing
Protect battery terminals to prevent short circuits

Can you use a power bank on a United flight?

Do not recharge the portable charger using aircraft power during the flight.

In the airline's own words

United

We do not allow: E-cigarettes or personal vaporizers Power banks (including those installed in “smart bags”)

Official page
United

Each passenger can bring up to two portable chargers. They should be kept on you or in your personal item during the flight. They cannot be placed in overhead bins or recharged using aircraft power.

Official page

Power banks on board: what the 99 airlines say

What the airlines say about using a power bank on board
  1. Not to be used on board77
  2. Can be used on board8
  3. Not stated on the airline's pages14

Frequently asked questions

Can I use a power bank on a United flight?

Do not recharge the portable charger using aircraft power during the flight.

How many power banks can I bring on United?

Up to 2 portable chargers per passenger.

Can I put a power bank in checked baggage on United?

Not allowed in checked baggage (including power banks installed in smart bags).

More on United

Related items

Official page

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Sources for this page

  1. United Airlines: united.com/en/us/fly/baggage/dangerous-items.html
  2. United Airlines: united.com/en/us/fly/baggage/electronic-devices.html