Power Bank, POCKETVOLT [Smart Output Technology] Portable Power Bank PINK [7800mAh with Dual USB Port for Smartphone and Tablet] Built with a Samsung Battery. SMART Output Technology - maximize your compatibility with any device to meet their unique charging needs Powerful 7800mAh external mobile battery charger keeps your digital devices always powered Quickly and effectively solves the low power problem for your devices while on-the-go Designed with 1A/5V 2A dual output USB port, universal fits for iPhone, iPod, Samsung devices, and most cell phones Built-in LED indicators to show the charging status and battery level, safe to use,