In Mexico power cuts are so frequent that most (probably all) cell towers have batteries that last for an hour or two. It's rare that power cuts last so long,

In Mexico power cuts are so frequent that most (probably all) cell towers have batteries that last for an hour or two. It's rare that power cuts last so long, usually it's like 10-15 mins, but I've experienced 3-4 hours cuts a couple of times over the years. When I lived in Cancún these were more frequent though, because AC consuming so much power during summer.