ZILU Smart Power Basic 4400mAh Portable Charger External Battery Pack Backup Power Bank for iPhone 6 Plus 5S 5C 5 4S, iPad Mini, Samsung Galaxy S6 S5 S4 Note, Nexus, HTC, Motorola, Nokia, PS Vita, Gopro, more Phones and Tablets High capacity of 4400mAh. Can give iPhone 6 plus a full charge, iPhone 6 and iPhone 5S one and half full charge and one full charge to a Galaxy S5 or one full charge to most other phones. Ultra-Compact, very easy to carry in pocket or bag. Top grade class A18650 battery cells inside. Strong emphasis on safety through the "UL 1624"certification, the most rigorous safety test in the industry. Free of safety concerns Compatible with iPhone 5/5s, iPad 2/3/4/Air ,Samsung Galaxy S4/S5, Amazon Fire Phone and 99% smart phones and tablet in the market. ZiLu Smart Battery Pack is compatible with iPhone 6 plus, 6, 5S, 5C, 5, 4S, iPad Air, mini (Lightning Adapter Not Included) and other Devices