In one embodiment, an electronic accessory for coupling electronic devices to an external power supply includes: (a) a holder having: (1) a cradle section configured to couple to at least two of the electronic devices, the cradle section comprising a power coupling; and (2) two or more side supports, each of the two or more side supports configured to removably couple to the cradle section; and (b) a power unit electrically coupled to the power coupling and configured to removably couple to the external power supply. At least a first one of the two or more side supports is configured to provide support to a first one of the electronic devices when the first one of the electronic devices is coupled to the cradle section. At least a second one of the two or more side supports is configured to provide support to a second one of the electronic devices when the second one of the electronic devices is coupled to the cradle section. Other embodiments are disclosed in this application.