The Digital Adventure: How to Keep Your Gadgets Juiced on the Road

Text by West Coast Editor Steve Casimiro

Brunton’s Solo 3.4 battery reboots almost anything that powers off USB—cameras, PDAs, GPS units—and charges via wall outlet, vehicle port, or sunlight. The 5.2-ouncer cranks out 5.5 volts (it fueled my iPhone nine times before drying up) and, best of all, fits in the palm of your hand ($65).