Clear some space in your trunk for this emergency jumpstarter. The Cobra JumPack is a compact rechargeable battery that carries enough juice to jump your car twice. It's reliable, efficient, and also has a USB output, so you can use it to bring a dead phone back to life when the power goes out at home. [$130; cobra.com]
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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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