Anytone APC-M500BD 6600mAh External Battery Pack High Capacity Power Bank Charger Dual USB output for Apple iPhone 5 4s 4 3Gs 3G, iPod Touch, iPad mini 1 2 3 4, HTC sensation, XE, XL, One X S V,Inspire 4G , EVO 3D, EVO 4G, Desire S Z HD / Samsung Galaxy Note S4 S3 S2 S 2 II ACE Mini, S Advance, Galaxy Nexus, Nexus 7 / Motorola/Sony/Blackberry Z10 (Black) High Capacity, 6600mAh; 4 full charges or add 33 hours of talk time to your iPhone 4S / 4G / 3GS; 2-3 full charges for Samsung Galaxy S III, or 300% - 400% to most mobile phones' battery life Output: 2 x 5V USB ports for fast dual charge: 2A port / 1A port (improved from 0.6A for faster charging) Compact, portable and stylish Design. Convenient to carry in your pocket or purse. Leave it plugged in to your phone. PERFECT for long plane flights, road trips, or whenever you need to charge your mobile devices wherever you are 4 LED indicators reveal the battery level; Charges via standard USB or AC adapter (not included)