The FatCat PowerBar 4200 is not only useful, but stylish as well -- the slim, lightweight unit comes in silver, black, blue, orange or red. It will charge cellphones, smartphones, MP3 players and other small devices, and, according to the company, it will last for up to 500 charges.
It comes with a master cord with two female connectors and six tips (male USB, female USB, Micro-USB, Mini-USB, iPod/iPhone and DC 3.5 x 1.3); the company says it has other tips available for older devices. You also get a travel case.
Dimensions & weight: 4 x 2.4 x 0.5 in.; 4 oz.