UrgeBasics 2000mAh Power Stick Portable Battery Charger for Smartphones - Retail Packaging - Red Rechargeable Lithium-Ion Battery 2000 mAh Battery Capacity Input: 500-800mAh Output: 1000mAh Compatible with iPhone, iPod, iPad, Blackberry, Samsung, LG, HTC, Motorola, Droid, Kindle, Nook, most eReaders, & Tablets