To provide a mobile terminal capable of displaying power supply used for the mobile terminal having a plurality of power supply sources.

A process to be executed by a main controller of the mobile terminal includes the steps of: recognizing external power supply (S510); in the case of AC power supply (YES in S520), determining a battery operation condition on the basis of a prescribed condition (S540); determining a display mode of a main display unit to display a situation (S560); and if there is no change in a power supply environment (NO in S580), terminating the process if charging cannot be performed any further (YES in S590).