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it's a 4.2v yes it can charge it fast with no problem
Sorry, there was a problem. Please try again later.As long as You've got the correct USB to most current USB connecting cord, it should work.
Sorry, there was a problem. Please try again later.No it cannot fast charge a Samsung Galaxy S7; it has normal USB 2.1 fast charge but not the Samsung USB 2.4 quick charge and Samsung has a special powerbank especially made for the Galaxy S7 but the MAH is only around 5,000 and not the 20,800 like this Insignia powerbank.
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