February 25, 2013 5:55 AM PSTUpdated: February 25, 2013 8:05 AM PST
Photo by: Sarah Tew/CNET
/ Caption by: Sarah Tew, Eric Franklin
Conversation powered by Livefyre
Is your phone battery always at 4 percent?
These battery packs will give your device the extra juice to power through all of those texts and phone calls.