Allstart 550 Portable Power Source with Jump Start Function The smallest and lightest portable power unit that includes patented technology on the market Uses 12000 mAh high capacity, high power, battery, that is fast charging and has low self-discharge, cycles can reach 1000 times Features include 12 volt emergency start, LED flashlight and USB port for device use and charging Three (3) lighting modes: Standard, Strobe, SOS Multiple safety features built-in