There is normally plenty of electrical outlets. If they are in public areas, you may want to sit nearby while you are charging the battery. Outlets may be in the bathrooms, presenting a bit of a security risk. You may need a plug converter.
Take a three-way splitter, as I did.
It allowed me to charge on an alredy-in-use power outlet and even give opportunity to another pilgrim to charge his/her equipment.
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