Make sure you don't get stuck in a bad situation when you bring along the Schumacher Electric SL1517 1200A Lithium Jump Starter. This jump starter has cold temperature starting to ensure its operation if you need it in extreme weather conditions, and it also has the ability to charge mobile devices quickly and efficiently with its 10-watt wireless pad and multiple USB ports. The smart clamps and cables provide provide protection against sparks, short circuits, overcharge, overcurrent, overload and overvoltage for added safety.