Samsung original battery pack (Li-Ion, 1,650 mAh) EB-F1A2GBUCSTD (compatible with Galaxy S2, Galaxy R) (Wireless Phone Accessory)
First of all I want to say that I've been looking at a clever battery. And I have also resorted to Nonameprodukte and was disappointed. Accordingly, an original battery should ran. By reading various reviews I came across the note directly from Amazo