May 23, 2009 5:21 AM PDTUpdated: May 22, 2009 3:02 PM PDT
Photo by: Copyright Jim Marshall / MarshallPhoto.com
/ Caption by: CNET Reviews staff
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.