Mophie - Powerboost Mini Power Bank 2,600 mAh - Black Rechargeable 2, 600Mah battery extends your battery by 1X giving you up to 12 hours of extra battery* 1.0a USB high-output charging port enables you to quick charge your smartphone and other USB devices. LED power indicator displays battery levels and charge status. Know before you go. Triple-tested battery ensures peak performance and safe operation