KeyChain Powerbank 2600mAh Portable Backup Battery Charger USB Power Bank for Smart Phones and other Digital Devices - Retail Packaging (YELLOW) High Capacity 2600mAh Lipstick-Sized Universal Portable Charger Power Bank for USB Charged Devices Can Double or Triple the life of your digital device Quality construction and parts for long life, reliable use up to 500+ battery charge cycles Charge Level indicator lights and Power On/Off Micro-USB to USB cable included Perfect for long road trips, flights and daily use