EPCTEKNew White 11200mAh 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, Thunderbolt Capacity: 11200MAH Type: 18650 3.7V lithium battery Input: 5V/1A;Output: 5V/1A Charging time: about 11-12 hours Cycle life: at least 500 times