USTOP&trade;3000mAh Power Bank Charger Portable Emergency External Battery Charger for Samsung Galaxy i9300 Note2 N7100 iphone iphone 5 4 4G (Grey) 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?DC5V/1A ; Output:DC5V/1A