A mobile device is disclosed that is not only capable of wirelessly receiving power from a source device, but also of wirelessly transmitting power to a destination device. The device includes one or more power modules and corresponding coils for transmitting/receiving signals from which power can be loaded/extracted. In addition, the device can receiving initiation information identifying power transfer standards supported by each of the source and destination devices, and can control its one or more power modules to operate in accordance with the standards identified in the initiation information.