FIELD: electricity.
SUBSTANCE: device comprises the first socket configured to connect portable device and the second socket configured for connection of power supply source. Device may also comprise electric circuit configured for supply of the first charging current to portable device with the help of the first socket, when the second socket is connected to power supply adapter connected to supply socket, and to provide the second charging current to portable device with the help of the first socket, when the second socket is connected to port of universal serial busbar of host device.
EFFECT: improved operational characteristics of device.
10 cl, 7 dwg
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