I'm traveling from the US to Switzerland with a layover in Frankfurt / Main (Germany).

I intend to buy a laptop battery in the US for a friend's laptop. I intend to take this battery with me on the trip. As far as I know, I cannot have lithium batteries in my checked-in baggage, so I'll be carrying this battery with my carry-on baggage. However, I won't have a laptop for this battery.

Is there a possibility that this might raise an issue? I mean the fact that I'll be carrying a battery but no corresponding laptop for this battery.


For Lithium batteries with more than 100 watt hours (no date on page)


Lithium batteries with more than 100 watt hours may be allowed in carry-on bags with airline approval, but are limited to two spare batteries per passenger. Loose lithium batteries are prohibited in checked bags.

So checking with the airline beforehand would be needed if > 100 Watt.

The Top Five Items People Ask About:.. , Batteries,.. (2018-08-07)

Consumer-sized lithium ion batteries [no more than 8 grams of equivalent lithium content or 100 watt hours (wh) per battery]. This size covers AA, AAA, 9-volt, cell phone, PDA, camera, camcorder, Gameboy, and standard laptop computer batteries.

If less than 100 Watt seems to be generally allowed for Carry-On-Baggage.

No meantion that a corresponding Laptop must exist.

  • 1
    If it is not obvious from the battery itself that it is a battery and what the capacity is, it might be a good idea to leave it in its original packaging. Although, be prepared to unpack it at security, which might be a hassle depending on how it is packaged. (E.g. it might require a knife to open, which you are hopefully not planning to carry through security.) Sep 1 '19 at 9:56

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