Electronic apparatus comprising a battery charging state display mode and method of controlling the same

A method of controlling an electronic apparatus includes receiving a user input to select an operation mode of the electronic apparatus in a power-off state of the electronic apparatus, supplying power only to one or more portions of components of the electronic apparatus required to operate in a battery charging state display mode when the operation mode selected according to the received user input is the battery charging state display mode, and displaying a batter charging state of a battery when the power is supplied to the components required to operate in the battery charging state display mode.