This elegant backup's high-output battery delivered the fastest charge, juicing an iPhone in 90 minutes. It can fill an iPad to 60 percent or provide two full phone charges, and it's certified for 500 cycles, making it the most durable in our test. Impressive, but we wish it offered more than one USB port. [$80; mophie.com]
The 2014 Adventure Issue
From Iceland's Highway 1 to Utah's Canyonlands, an epic itinerary for modern explorers.
Plus: Building a Bigger Action Hero
ON NEWSSTANDS NOW
Duke Lacrosse and the Fog of Scandal
How Thailand's Most Notorious Prison Became a Fight Club
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