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]
Action-Packed Summer Trips
Race Dune Buggies, Explore Italy, Bike Yellowstone
Plus: Fighting Poachers and Oil Companies in Congo
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Nick Offerman's Life Advice
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