Separate portable power supply

The utility model discloses a separate portable power supply, including power extension module and portable power source, wherein, above-mentioned portable power source is connected with drain pan detachably including top shell, electric core and drain pan, top shell, forms the inside portable power source who is the cavity structure, and electric core inlays to be established in this cavity structure, and the lateral part of drain pan is equipped with the socket, and the socket is connected with electric core electricity, above-mentioned extension module detachably inlays and establishes in the shell skeleton of cell-phone to is connected with cell-phone electricity, the lateral part of extension module is equipped with the contact set, in contact set detachably inserts above-mentioned socket, so that electric core charges for the cell-phone through expanding the module. The utility model relates to a compactness, three-dimensional little, electric core capacity is high, has the short circuit of preventing function, and convenient to use is swift, and the practicality is strong.