A nomadic charge and method of managing internal load of said device

The charging device comprises a first interface (2) for connection to an external power source (100), a second interface (3) for connection to an external battery (101) to refill and at least one internal storage battery electrical energy for storing electrical energy received through the first socket and supplying electrical energy to the external battery to recharge through the second socket, characterized in that it comprises at least two internal batteries for storing electrical energy (4, 5), the first battery (4) having a service life less than that of the second battery (5), and a module (7) arranged internal load management to default to a standard internal charging mode defined by the first battery state of charge (4) which is lower than the second battery (5) and, on specific command, activate a mode internal charge enhanced wherein the state of charge of the first battery (4) is increased compared to the standard mode.