The battery is of good quality and a hard plastic so no worries there. The phone on the other hand is subject to shock if you drop it on the edge at a certain angle. I have one of these on an iPhone and one on my galaxy. I dropped my phones more than once and all came out fine, however I dropped the iPhone one time and it hit the front edge of the battery by the screen and it shattered the screen. Take care, this is a battery not a phone protection case.