I bought the battery months ago three and am actually very happy. In the other Rezesionen is that does not fit without nachfeilen the battery in the Samsung Galaxy S4 Mini, which I can not associate myself with completely. The first time he went into it very strictly and I thought almost that is nothing ... now goes very easily (without rework). With the performance I am very satisfied, important in my opinion is that one should let the battery back often fall below 30% capacity and then only charge him. I put the phone now (surf little phone calls, occasional Internet or WhatsApp - no WiFi and GPS, data connection only during the day enabled) only every second or third day. Come therefore on an average daily battery consumption of 25-30% (24). Find this a very good value.
Had previously a low battery (no, it was not really cheap but twice as expensive) has proven to be absolute bad buy. In the model I say, quality is fine.