This SlimTalk External Battery Pack and Charger is a really nice external high capacity power bank charger from Anker.
Also seems to be the most popular extended battery pack. This is actually an external device with 3200mAh battery power which increase your phone’s battery life as much as you need all the time without any interruption.
Just plug into your phone in and keep it in your pocket because it’s so slim and well designed.
Includes- USB cord and mini USB tip.1 year warranty.
Flashlight support, 2 way charge (PC/AC), perfectly fits and easy charge cause of mini USB
Small and light weighted- easy to carry.
Supply instant power to charge your device anytime, anywhere.