An apparatus (100; 400; 500; 700) for transmitting wireless power, the apparatus (400; 500; 700) comprising: a first member; a second member movably coupled to the first member and on which a plurality of coils (401-403; 704a-c) are arranged, wherein the plurality of coils (401-403; 704a-c) include a first coil (401; 704a), a second coil (402; 704b), and a third coil (403; 704c), and, when the second member is oriented in a standing state, the first coil (401; 704a) is arranged on a first part of the second member, the second coil (402; 704b) is arranged on a second part of the second member, and the third coil (403; 704c) is arranged on a third part of the second member, wherein when the second member is oriented in a standing state, the first part is a upper part, the second part is a center part, and the third part is a lower part; a position-sensing circuit (140; 511, 521; 530; 540; 709) configured to sense movement of the second member with respect to the first member, and to identify a mode between a standing mode and a lying flat mode based at least in part on the movement of the second member with respect to the first member; and a control circuit (120; 706) configured to, in response to the identified mode, when the identified mode is the lying flat mode, transmit wireless charging power through the second coil (402; 704b), and when the identified mode is the standing mode, transmit a signal in-band through the first coil (401; 704a) and the third coil (403; 704c) respectively for identifying an electronic device (150; 410; 750) oriented vertically or horizontally relative to the apparatus (100; 400; 500; 700), identify the first coil (401; 704a) or the third coil (403; 704c) based on a response signal responsive to the signal from the electronic device (150; 410; 750), and transmit wireless charging power through the identified first coil (401; 704a) or the identified third coil (403; 704c). a first member; a second member movably coupled to the first member and on which a plurality of coils (401-403; 704a-c) are arranged, wherein the plurality of coils (401-403; 704a-c) include a first coil (401; 704a), a second coil (402; 704b), and a third coil (403; 704c), and, when the second member is oriented in a standing state, the first coil (401; 704a) is arranged on a first part of the second member, the second coil (402; 704b) is arranged on a second part of the second member, and the third coil (403; 704c) is arranged on a third part of the second member, wherein when the second member is oriented in a standing state, the first part is a upper part, the second part is a center part, and the third part is a lower part; a position-sensing circuit (140; 511, 521; 530; 540; 709) configured to sense movement of the second member with respect to the first member, and to identify a mode between a standing mode and a lying flat mode based at least in part on the movement of the second member with respect to the first member; and a control circuit (120; 706) configured to, in response to the identified mode, when the identified mode is the lying flat mode, transmit wireless charging power through the second coil (402; 704b), and when the identified mode is the standing mode, transmit a signal in-band through the first coil (401; 704a) and the third coil (403; 704c) respectively for identifying an electronic device (150; 410; 750) oriented vertically or horizontally relative to the apparatus (100; 400; 500; 700), identify the first coil (401; 704a) or the third coil (403; 704c) based on a response signal responsive to the signal from the electronic device (150; 410; 750), and transmit wireless charging power through the identified first coil (401; 704a) or the identified third coil (403; 704c).