United Airlines Power Bank Rules 2026
Page updated · Sources and review method
Confirm the capacity allowance directly with the airline.
- Power banks per passenger
- Confirm with airline
- Checked baggage
- Not allowed
- Onboard use & charging
- Confirm onboard use and charging restrictions directly with United.
- Special conditions
- United’s official Batteries section was reviewed in Chrome on November 5, 2026. It confirms cabin-only power banks and removal before gate-checking a bag. Its general spare-lithium-battery allowance does not clearly distinguish current power-bank capacity and quantity limits; confirm these directly.
Source reviewed 2026-11-05; verification incomplete — confirm directly
Capacity is only one part of acceptance. Damaged or recalled batteries, unreadable labels and route restrictions can change the answer.
Power bank flight checker
Enter the capacity and voltage from your label to see your result.
Confirm onboard use and charging restrictions directly with United.
United’s official Batteries section was reviewed in Chrome on November 5, 2026. It confirms cabin-only power banks and removal before gate-checking a bag. Its general spare-lithium-battery allowance does not clearly distinguish current power-bank capacity and quantity limits; confirm these directly.
Common power bank sizes on United Airlines
Examples for one device at 3.7 V. Use your actual label; onboard use, certification and condition are separate checks.
| Battery capacity | Energy at 3.7 V | Capacity guidance |
|---|---|---|
| 5,000 mAh | 18.5 Wh | Confirm with the airline |
| 10,000 mAh | 37 Wh | Confirm with the airline |
| 20,000 mAh | 74 Wh | Confirm with the airline |
| 26,800 mAh | 99.16 Wh | Confirm with the airline |
| 30,000 mAh | 111 Wh | Confirm with the airline |
| 50,000 mAh | 185 Wh | Not allowed |
Read the official policy linked above before departure. This comparison is not airline approval.
Power bank flight FAQs
Quick answers before you pack.
How many power banks can I take on United Airlines?
The quantity allowance is not verified here. Confirm directly with the airline.
Can I use my power bank on United Airlines?
Confirm onboard use and charging restrictions directly with United.
Can I put it in a checked bag?
No. Keep power banks with you in the cabin, including when your carry-on is checked at the gate.
Can I bring a 10,000 mAh power bank on United Airlines?
At 3.7 V it is 37 Wh. The capacity allowance is not fully verified. This calculation is not permission to carry the power bank. Check the actual label and the onboard restrictions above.
Can I bring a 20,000 mAh power bank on United Airlines?
At 3.7 V it is 74 Wh. The capacity allowance is not fully verified. This calculation is not permission to carry the power bank. Check the actual label and the onboard restrictions above.
Can I bring a 30,000 mAh power bank on United Airlines?
At 3.7 V it is 111 Wh. The capacity allowance is not fully verified. This calculation is not permission to carry the power bank. Check the actual label and the onboard restrictions above.