I know I'm not the only person out there that has sat down in a plane, train or automobile hoping to listen to my iPod, only to realize I'm down to a tiny sliver on the charge bar. While I often have my laptop or charger with me, this nifty Griffin TuneJuice2 charger is one of those small gadgets you don't want to leave the house without. It can provide up to 14 hours of additional audio play, or 2 more hours of video enjoyment. You just have to pop 4 AAA batteries into it (your first 4 are included and you can use rechargeable) and keep rocking.
For a full gallery of images, from my test run read more