TripHip - Travel Tips and Advice for Traveling on a Budget

If you pack any battery powered items in your checked luggage, you should take the batteries out before packing. With all the bumping around, they may get turned on accidentally which would leave you with a dead battery on arrival.

Or worse, it could be an item that makes noise (like an electric shaver or a pocket fan). Airport security aren't going to be too happy with a buzzing suitcase. I speak from experience on this one.