USTOP&trade;Purple Square cylinder Lipstick 2600mAh External Battery Backup Charger for iPhone 5,4S, 4, iPad 4, 3, 2, Mini, iPods, Samsung Galaxy S4, S3, S2, Note 2, Note 8, Tab 3;HTC One, EVO,LG Exalt, Thunderbolt Capacity: 2600mAh Cell: 3.7V/18650 Input: 5V/800mA; Output: 5V/800mA Charging time: about 5 hours Cycle life: at least 500 times