After a year of original Samsung Accu has been sluggish but something because I decided but once a something stronger from to try .Now I have the new Accu for some time in cell phone and I have to say it has to invest the money paid in any case. The Accu stops at my need now 2 days and that's enough full and ganz.Fazit the new purchase I was a very good thing, and can therefore say to recommend