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What is the limit of Lithium Ion Batteries for passengers to carry on board?

  1. One

  2. Two

  3. Three

  4. Unlimited

The correct answer is: Two

Passengers are allowed to carry on board only a total of two lithium ion batteries with an aggregate equivalent lithium content of more than 8 grams, but not more than 25 grams. Option A and C are incorrect because they exceed the limit of two batteries. Option D is incorrect because there is a limit in place for the safety of passengers and the aircraft. It is important to follow these guidelines to prevent accidents or potential fires caused by lithium ion batteries.