US Patent 11001212 Car jump start power source

A car jump start power source comprises a casing assembly having an accommodating chamber as well as a press key, an optical condenser, a light guide bar, an electrical device assembly and a battery pack provided in the accommodating chamber; the casing assembly comprising a top casing, a bottom casing, a rubber cover covering a three-hole socket, a top aluminum casing and a bottom aluminum casing; and the top casing being mounted on the bottom casing in a non-detachable manner, and the accommodating chamber being collectively surround by the top casing and the bottom casing. One first mounting hole is provided in a top of the bottom casing, and the rubber cover is mounted at the first mounting hole. A separation plate is provided on the bottom casing, and the separation plate separates the accommodating chamber into a front chamber in which the press key, the optical condenser, the light guide bar and the electrical device assembly are mounted and a rear chamber in which the battery pack is mounted. Power from the battery pack is led out via a three-hole socket to an electric accumulator of a motorcar through an intelligent cable for a jump start.