Patent ID: 6977486

Claim:
An apparatus for charging, from a battery of a supplying side mobile communication terminal, a battery of a receiving side mobile communication terminal having a data communication connector, comprising: a first connector having a power supply terminal for connecting to a power supply terminal of the data communication connector, the first connector being configured to connect to a data communication connector of the supplying side mobile communication terminal; a second connector having a power supply terminal for connecting to the power supply terminal of the data communication connector, the second connector being configured to connect to the data communication connector of the receiving side mobile communication terminal receiving the charge power; and a charging controller for charging a battery of the receiving side mobile communication terminal by supplying charge power from the power supply terminal of the first connector to the battery of the receiving side mobile communication terminal through the power supply terminal of the second connector until a battery voltage level of the receiving side mobile communication terminal reaches a charge voltage level set by a user.