You have that slide rule in the back of the closet. Maybe it was from your college days. Maybe it was your Dad’s. Honestly. Do you know how to use it? Really? All the scales? That’s what we thought.
It may be possible to fly with power banks up to 160 Wh on some airlines, but generally only with prior approval. You are not allowed to fly with power banks that exceed 160 Wh. The rules on this vary ...
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