Power Bank, POCKETVOLT Power Bank Mini Portable Charger for Smartphones RED [2600mAh with 1 USB port and 1A Output] Powerful 2600mAh 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 a 5V 1A 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 Made of solid aluminum alloy with anodized processing, comfortable to the touch