Mobile terminal

A mobile terminal, comprising:

• a main body in which a semicircle-shaped, cell chamber with an opened end is provided, wherein one inner side of the cell chamber is provided with a plurality of groups of electrode contacts, and the other inner side of the cell chamber is provided with a plurality of sliding tracks at locations corresponding to the plurality of groups of electrode contacts, respectively;
• and
• a semicircle-shaped cell having one side provided with a plurality of groups of electrodes configured to be engaged with the electrode contacts, and the other side provided with a plurality of positioning tracks configured to be engaged with the sliding tracks,
• wherein the semicircle-shaped cell is configured to be rotatably fitted into the semicircle-shaped, cell chamber to power the mobile terminal,
• wherein the plurality of groups of electrode contacts and the plurality of groups of electrodes are configured such that each group of electrode contacts is arranged in correspondence with one group of electrodes upon the cell being received in the cell chamber.