Fast charging‎.‎Charging conversion rate up to 100%‎,‎Compatible with most devices with USB charging capability‎,‎including Apple iPhone 5S‎,‎6S‎,‎ Samsung‎,‎Nokia‎,‎smart phone‎,‎ iPad‎,‎ MP3/MP4‎,‎ PSP‎,‎digital camera‎,‎etc mobile devices‎.‎100% real capacity 5000mAh‎.‎ 7‎-Level protect your phone or tablet from over charge‎,‎over discharge‎,‎over heat‎,‎short circuit‎,‎over voltage and over power‎.‎This backup battery is small enough to fit in the palm of your hand‎,‎ideal for take long‎-distance train/bus or business trips‎.‎