EPCTEK Portable Power Bank Charger External Battery Emergency Chargers For Samsung Galaxy S3/I9300 S4/I9500 Note2 N7100 Apple Iphone 5 4 4G 4S HTC (Black) High Capacity,2600mAh;Fit for your iPhone 4S / 4G / 3GS?Samsung Galaxy S4 / S3, Nokia and other smart phones; Compact, portable, Sleek, stylish and compact design; Easily fits into your bag to provide instant power; PERFECT for train?road trips, or whenever you need to charge your mobile devices wherever you are. High quality Lithium-ion battery ensures reliability; Input: DC 5V 1000mAh,Output: DC 5V 1000mAh; Charge the power bank via standard USB or AC adapter (not included).