Not allowed. A 50,000 mAh power bank is about 185 Wh at 3.7 V, over the 160 Wh maximum for passengers, so it can't go in carry-on or checked bags.
Carry-on bagNot allowed
185 Wh at 3.7 V. Over the 160 Wh maximum.
Checked bagNot allowed
Power banks never go in checked bags, at any size.
How many watt-hours is it?
| Cell voltage | Watt-hours | Verdict |
|---|---|---|
| 3.6 V | 180 Wh | Not allowed |
| 3.7 V | 185 Wh | Not allowed |
| 3.85 V | 192.5 Wh | Not allowed |
Wh = 50,000 mAh × voltage ÷ 1,000. If the label prints a Wh figure, that number is the one security and the airline go by.
Questions people ask
Is a 50,000 mAh power bank allowed on a plane?
A 50,000 mAh power bank is about 185 Wh at 3.7 V, over the 160 Wh maximum for passengers, so it can't go in carry-on or checked bags.
How many Wh is 50,000 mAh?
About 185 Wh at 3.7 V (180 Wh at 3.6 V, 192.5 Wh at 3.85 V).
Can I put a 50,000 mAh power bank in checked luggage?
No. Power banks are spare lithium batteries and must travel in the cabin, whatever their size.