HongRD(TM) 2600mAh Ultra-compact Cute Fresh Milk Portable Backup Battery Charger USB Power Bank for Smart Phones and other Digital Devices (Pink) Ultra-high density battery cells with aluminum construction faceplate make this the 2600 mAh external battery. It is Portable and safety. Quality construction and parts for long life, reliable use up to 1000 battery charge cycles Perfect for long road trips, flights and daily use Easy to carry --- It is not just a product. It is a companion that you will use every day. The product is so much compact designed that it could be very easy to hold and put anywhere you want, e.g. a bag or even a pocket. Compatible with Smart Phones and other Digital Devices