Electronic device, battery, and method for transporting current

A portable electric device (10) includes i) an electric circuit (12) operable on electric current derived from a first connector (B) preferably connectable to a first counterpart connector (B') of a battery (11), ii) a charge input (13) electrically connected to a second connector (A) preferably adapted to charge the battery (11) through a second counterpart connector (A') of the battery (11), iii) first means (21) for transporting an electric current from the charge input (13) to the second connector (A), and iv) second means (22) separate from the first means (21) for transporting current from the first connector (B) to the electric circuit (12).