Hi guys I am going to tell you all about the intex power bank 4000 mah I used it before but now I am not using it the power bank works good and normal at first but after 2 it does not work normal it does not store the charge in it always I used to plugged into the current to charge it, and its charging speed is also slow with my experience I am telling you all this is the worst and useless product so please don't buy it and thank you