[Enhanced Version] Astro 6400mAh External Battery Anker 2nd Gen - Portable External Battery provided with the PowerIQ Technology with Port of Loading 2A - for smartphones and tablets (iPhone, iPad, Samsung, LG, Nexus, HTC, ...) (Devices electronic)
A very good and compact external battery, it does not take place in a bag. Very handy on a trip or a long day for not breaking down. With 6400 mAh I almost 4 full recharges my iPhone 4S, it also works very well with my tablet (Ipad) and charging a li