The PowerBolt 2.6 Car Charger with hardwired Micro USB cable will charge your phone or tablet from your vehicles power outlet in the fastest possible time. With 2.6 AMPs (13 watts), no other charger provides a faster, or safer, charge for devices like the Microsoft Surface 3, Samsung Galaxy , and many others. PowerWhiz Technology allows almost any Micro USB device to be charged quickly because it automatically recognizes your device and gives it the fastest charge possible while remaining completely circuit safe. And because the Micro USB cable is hardwired, you never have to worry about remembering your devices USB cable.