Delta Air Lines Power Bank Rules 2026
Page updated · Sources and review method
Up to 100 Wh in carry-on only. Power banks above 100 Wh are not accepted.
- Power banks per passenger
- 2
- Checked baggage
- Not allowed
- Onboard use & charging
- Do not recharge the power bank on board. Do not use it to charge devices during taxi, take-off or landing.
- Special conditions
- Keep power banks accessible below the seat or in the seat pocket, never in an overhead bin.
Last checked 2026-11-05
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.
Do not recharge the power bank on board. Do not use it to charge devices during taxi, take-off or landing.
Keep power banks accessible below the seat or in the seat pocket, never in an overhead bin.
Common power bank sizes on Delta Air Lines
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 | Carry-on only |
| 10,000 mAh | 37 Wh | Carry-on only |
| 20,000 mAh | 74 Wh | Carry-on only |
| 26,800 mAh | 99.16 Wh | Carry-on only |
| 30,000 mAh | 111 Wh | Not allowed |
| 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 Delta Air Lines?
2 per passenger, subject to capacity and route rules.
Can I use my power bank on Delta Air Lines?
Do not recharge the power bank on board. Do not use it to charge devices during taxi, take-off or landing.
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 Delta Air Lines?
At 3.7 V it is 37 Wh. Within Delta Air Lines’s capacity limit. Check the quantity, label and route conditions below. Check the actual label and the onboard restrictions above.
Can I bring a 20,000 mAh power bank on Delta Air Lines?
At 3.7 V it is 74 Wh. Within Delta Air Lines’s capacity limit. Check the quantity, label and route conditions below. Check the actual label and the onboard restrictions above.
Can I bring a 30,000 mAh power bank on Delta Air Lines?
At 3.7 V it is 111 Wh. This exceeds Delta Air Lines’s 100 Wh power-bank limit. Check the actual label and the onboard restrictions above.