Multifunctional power source converter

The utility model relates to a multifunctional power source converter comprising a pedestal, a lithium battery bag and a master control circuit board, wherein the lithium battery bag is mounted on an upper end face of the pedestal; a contact sheet seat is mounted on the front side face of the lithium battery bag and the upper end face of the pedestal; the master control circuit board is mounted on upper end faces of the lithium battery bag and the contact sheet seat; an outer shell formed by splicing a left machine shell and a right machine shell is mounted on outer rings of the lithium battery bag, the contact sheet seat and the master control circuit board; a label is mounted in the outer shell formed by splicing the left machine shell and the right machine shell; a DC interface is arranged on a front end face of the master control circuit board, the DC interface is connected with a DC connecting head of a charger, and the lithium battery bag is connected with the master control circuit board. The multifunctional power source converter is simple in structure and convenient to operate; the multifunctional power source converter can be used for charging electronic devices having different interfaces; the multifunctional power source converter is characterized by power source conversion and the like.