PowerGen 14000mAh External Battery Pack High Capacity Power Bank Charger Dual USB 3.1Amps output for Apple iPhone 5s 5c 5 4s 4 3Gs 3G, iPod Touch, iPad Air 2 3 4 Retina mini, The / HTC One X S V Mini Max / Samsung Galaxy S4 S3 S2, Nexus 10 7 5 4 / Motorola Moto X, Atrix 2, Droid 3 X X2, G