Since my original battery had slowly given up 'the spirit' after he made a very good service to me, I needed a new, powerful battery. However, since I was satisfied from the outset does not match the performance of the Samsung battery, I was hoping for more power from a no-name product. Although I dissuaded my friends, I've bought the 'anchor battery'. The supplied me also super quickly and safely. As at any -almost one is of course only once wary of a no-name product. I did what I pretended to read the description. Namely ... first of all the battery charge for at least 24 hours. I even think that this is the 'A' and 'O'. So he gets all his power. Then just load and test. And I was and am thrilled. After all, where before my original battery just 2 - endured 2 1/2 days, managed (and manages to still), the new battery to 4 - 6 days. It comes naturally always depends on what you do with your smartphone.
Nevertheless ... the stamina makes every 'Duracell Bunny' Vort envy.
I am completely satisfied. I would recommend this product absolutely without hesitation.