Why do batteries 101 to 160 watt hours need special approval to take on airplanes?

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My friend did this and got a slip of paper saying that if there’s any issue then they’ll be responsible for it.

Isn’t that true for any battery or anything a passenger brings on the plane? So why specifically 101 to 160?

In: Chemistry

6 Answers

Anonymous 0 Comments

Over 160 Wh are forbidden as too risky.
100Wh and lower don’t require approval as they are considered to be safe.
Between the two, i.e., 101 to 160 is the yellow card zone.

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