There has been a lot written on various blogs about the Transport Services Authority in the USA limiting how you can carry batteries with Lithium in them. This is important here because it pretty much inevitably means that Europe will adopt the same regulations in due course. And of course, if you’re flying stateside right now you’d better get it right!

You can find the TSA’s summary of the regulations here. What this means for Mac laptop users is as follows:

A 15″ Macbook Pro battery is Li-ion, and 60Wh. This is pretty much the biggest of the Apple batteries at the moment. According to the chart on the above web page, you cannot carry such batteries in your hold luggage any longer. By extension, it’s safe to say that all Macbook and Macbook Pro batteries now have to be carried in your carry-on luggage.

That’s it. That’s all you need to know.

Comment: The reason I think this isn’t exactly a big thing is that surely the reason for having a spare battery in the first place it to have it with you when your laptop runs out of power during a long flight? A spare battery in the hold will do you no good! I’m guessing that because of this, most people will have carried them in carry-on up until now, so this will not affect laptop users to any great degree.

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