Of course it will charge your phone. It doesn't matter - any charger will do. I wanted to use it as a travel charger for my Lenovo Miix720. For some reason it doesn't even show that it's charging and doesn't hold a charge. Which is surprising considering my Lenovo charges itself with a 5V charger. Terribly slow and it must be powered off or idle. But it's charging. To be on the safe side, I tried new cables. One of the highly rated anchors. And I made sure the cables work with other chargers. Very bad. Might work well with your Mac, but be careful when using it with Windows computers.
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