USTOP&trade;Purple Square cylinder Lipstick 2600mAh Universal Mobile USB Portable Power Bank Charger for Apple iPhone 5 4S 4 3Gs 3G, iPod Touch / Samsung Galaxy S3 S S2 S II, Galaxy Nexus, Blackberry, HTC,LG Optimus G Pro LG G Flex Capacity: 2600mAh Cell: 3.7V/18650 Input: 5V/800mA; Output: 5V/800mA Charging time: about 5 hours Cycle life: at least 500 times