A:AnswerYes. If the power bank is fully charged before a power outage, I can get 5 full iPhone charges. The 2 ports will charge 2 products at a time. It does not use replaceable batteries.
A:AnswerI am a top tier "power-user" that has 2 Samsung note phones that I use constantly for calls, data and social media/ video. I have run the both of them for day on one charge without dropping below 25% on this unit before I had time to re- charge it.