I received my 2150 mah extended battery today and first of I have to say that the pictures make it look a lot bulkier than what it really is. I was ready to cancel my order when I saw the pictures the other day but I decided to give it a try, now that I received it today I'm definitely going to keep it. Besides getting longer usage the extended battery cover also protects your camera lens. I was never too worried about it before but now that I have this cover it will never cross my mind anymore. Overall I'm happy with the battery and how it looks. You do sacrifice a bit if looks but you'll get more performance. When you really think about it the back of your phone is not something most of us really pay that much attention to.