I like to carry extra laptop and cell phone batteries with me when I travel for more than a couple of days at a time, especially if going outside the country. I fried a cell phone once using a faulty outlet converter overseas, so now I like to play it safer by depending upon extra batteries. It was fairly simple to pack the extra batteries into my checked luggage. It was a good simple way to have a backup power source while travelling.
Well, as of next Tuesday that simplicity is no more.

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