First of all I would like to commend the battery itself is very, because it doubled the previous term of my cell phone and leave me for hours at full brightness play games, surf the Internet and listen to music. Had this alone part of my review, so I would give 5 stars. However, there is the shell that has squeaked from the outset, if you held the phone in his hand. She feels not really wertig on, but is it good in the hands. After a few months, however, began this, to detach himself from the phone and had to finally be fixed with adhesive tape, but what is out put as impractical, so I say forced me to put the old battery in the device again and the anchor battery in "rotten" to have a drawer until anchor times decides to bring new cases with better quality and grip on the market, the best yet with a reasonable price, because otherwise I'll probably never be able to use the large battery.
Conclusion: The battery is super, the shell absolute crap, so there are only 3 star.
Edit: was contacted by the seller and got a new cover with battery. There are now 5 star :)