EPCTEKWhite 2600mAh Portable External Battery Power Bank Backup Charger for iPhone 5, 4S, 4, Galaxy Nexus, Blackberry, HTC, LG, Motorola,Nokia iPod Touch / Samsung Galaxy S3 S S2 S II 100% Brand New Input: DC 5V, 1.0A Output:DC 5.0V,1.0A Capacity:3.7V/2600mAh Compatible Brand: For Apple,Samsung, LG ,HTC etc.