Pure² Universal Power Battery Pack USB. Notladegerät up to 3500 mAh capacity. External battery for example. Samsung Galaxy S4 i9500 / i9505 - Samsung Galaxy S3 i9300 Note 2 N7100 / iPhone 5 5c 5s 4s 4 / Nokia Lumia and many many more ... (Electronics)
I bought this product for the absolute emergency, so I do not pay attention, always carry a charged battery. However, I have with my smartphone (2,000 mAh) learned that batteries are not sufficient for charging. Even worse. If the battery level reach