A wireless power transfer holder composed of a receiving space formed by first walling portions to be provided opposite side surfaces, respectively, defining width directions of an electronic device, second walling portions to be provided opposite front and back surfaces, respectively, defining thickness directions of the electronic device, a bottom portion, and an open portion formed opposite the bottom portion, first and second supporting members movable symmetrically forward or backward in the width directions from the first walling portions, respectively, toward the electronic device, to exert bias forces on the side surfaces, respectively, of the electronic device, and an inductive power transferring device mounted on one of the second walling portions to inductively transfer an electric power in a non-contact manner to the electronic device held in the receiving space. The first and second supporting members are configured to be moved while having symmetrical tilts, respectively, toward the electronic device.