An energy storage mobile charging adapter is disclosed, in which the output terminal of an AC/DC isolated converter circuit board are connected with input terminals of a charging adapter circuit board, a commercial power plug is connected with the input terminals of the AC/DC isolated converter circuit board, characterized in that, a lithium chargeable battery is electrically connected with the output terminal of the AC/DC isolated converter circuit board and the input terminals of a charging adapter circuit board through a lithium battery protection circuit board, the charging adapter plug is electrically connected to the output terminals of the charging adapter circuit board, and all of the above components are sealed in a plastic housing.