The creators of ChargeCard were tired of watching their phones die due to a forgotten USB cable. Their fix: an Amex-size card that can be plugged into any USB port to power up your phone, which connects to the micro-USB or 30-pin head at the other end. [$25; chargecardproject.com]
The Adventure Issue
Eight Trips That Take Your Further
Plus: The Toughest Agent in the NFL
ON NEWSSTANDS NOW
The Devil's Obstacle Course
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