EPCTEKNew Red flat shape 3000mAh USB Port External Charger Portable Power Bank Battery for Mobile Phone Droid, Google Glass, Nexus 10 LG G2 LG Google Nexus 5 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 trainroad trips, or whenever you need to charge your mobile devices wherever you are. High quality Lithium-ion battery ensures reliability; InputDC5V/1A ; Output:DC5V/1A