You know, I never worried about that. There has always been a way to charge my phone. And if the apocalypse start and all power is dead, who will I call anyway? LoL I did think about power failure, but if no power here and all my backups are discharged, and my generator is out of gas, and my car is also out of gas so I can't drive to where there is power, that and the looting that is going on is preventing me from reaching an outside source, I guess I am screwed. I just won't be able to update my facebook account for a couple days. LoL (Oh and only paid $550 for my Note 8 Unlocked from Samsung)