Cobra JumPak

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This device is one that can be used for both convenience and emergencies. It can not only charge phones, it can also do the same for most cars. It contains a built-in LED flashlight and a 7500mAh battery, as well as a USB port for charging phones. Best of all, it can be stored inside a backpack, so it is perfect for emergency situations and can even be stored in car console or dashboard.