It does what it's supposed to do. It gives one phone charge out of a full charge of the device. I wish there were some way that the brand could find to combine a cord into the charger so that way I do not have to carry an extra cord with me. I would recommend it if you need a quick fix, but if you're out a lot and you enjoy a charge all the time, I would recommend to invest in a solar charger. I have also notice that this will only give my phone a half charge if I'm using it or if apps are running in the background. That's as I expected though.